All tools
The full list of tools, grouped by category.
Images & graphics
Crop imageMark the part you want to keep - by dragging a frame or typing numbers. Ready-made ratios for Instagram, YouTube, stories and ID photos. Your file never leaves your device.HEIC to JPGTurn iPhone photos (HEIC/HEIF) into JPG or PNG files that open on any computer or phone. Everything is processed in your browser and nothing is uploaded.Image compressorShrink images by up to 80% - fast, free and private. Files are compressed in your browser and never uploaded to a server.Image resizerResize photos to exact pixel dimensions, by percent or to a preset for Instagram, YouTube or A4 print - right in your browser, nothing is uploaded.JPG to WebPConvert JPG photos to WebP and cut their size by about a third on average - ideal for websites, online shops and a better Google PageSpeed score.Passport photo makerUpload a photo from your phone, line up your face with the guides and download a passport or ID photo: a JPG for online applications or a 10×15 cm (4×6 in) or A4 sheet with several copies to print. Your photo never leaves your device.QR code generatorGenerate a QR code in seconds and download it as PNG or SVG. Codes are static, never expire and have no watermark. Everything is created in your browser.Remove backgroundUpload a photo and AI cuts out the person or object automatically. Download a transparent PNG or a JPG with a white or any colour background - your photo never leaves your device.Add text to imageUpload a photo and add one or more captions with your choice of font, colour, outline and shadow. Drag each text anywhere and download the image at full resolution.Barcode generatorEnter a number and the barcode appears instantly - for EAN and UPC the check digit is calculated and verified for you. Download a vector SVG or high-resolution PNG, or a whole list of codes as a ZIP file.Blur facesUpload a photo and the tool finds faces and blurs or pixelates them. Add missed areas as a rectangle, ellipse or freehand shape, then move, resize or remove any of them - your photo never leaves your device.Blur part of an imageDraw boxes over faces, license plates or details on documents and hide them with blur, pixelation or a solid black box. The photo never leaves your device.Color converterType a color in any format and every other notation updates instantly. Check text/background contrast against WCAG and generate shades and tints.Document scannerTake a photo of a page (or upload one), drag four handles to its corners and get a straightened, clean scan. Save several pages as a single A4 PDF or as JPG images.EXIF and GPS removerSee what your photos give away - GPS location, phone model, date taken - and strip it in one click, without touching the image quality.Favicon generatorUpload your logo and get a complete set of icons for browsers, iPhone and Android, plus the HTML code to paste into your <head>.Image color pickerClick the image to get the code of any pixel, or let the tool pull out a palette of the dominant colors. A system eyedropper can also grab colors from anywhere on your screen. The image never leaves your browser.Image converterOne converter for all the popular image formats. Pick the output format, add your files and download the result - no software to install.Image to Base64Encode an image as Base64 and paste it straight into HTML, CSS, JSON or an email template - or paste Base64 and see which image it contains.Image to text (OCR)Upload or paste (Ctrl+V) a photo of a document, a receipt or a screenshot and the tool recognises the text so you can copy it. Recognition runs in your browser.JPG to PNGSave JPG photos in the lossless PNG format - useful when the file will be edited further or when a website requires PNG.Meme generatorUpload your own photo (or use a plain background), type the top and bottom text and add as many extra captions as you like, then drag them with a finger or the mouse. Everything runs in your browser - no account, no watermark.Photo collage makerCombine several photos into one picture: pick a layout, set the spacing and background, drag the photos into place and download the collage as JPG or PNG - sized for Instagram, Stories or an A4 print.Photo filtersPick a preset or adjust brightness, contrast, saturation, colour temperature, sharpening, vignette and grain with a live preview. Download full-resolution photos one by one or as a ZIP.PNG to JPGTurn heavy PNG files into light JPGs - perfect for email, websites and upload forms that do not accept PNG.PNG to WebPConvert graphics, logos and screenshots from PNG to WebP. Transparency is preserved and the file often weighs several times less.QR code scannerUpload a picture of a QR code or turn on the camera - the tool shows what is inside before you open anything. The image is analysed in your browser and never sent to a server.Rotate imageFix sideways photos or mirror an image in one click. You see the result immediately and the files never leave your device.SVG to PNGRender vector graphics to a raster image at the scale (2×, 4×…) or width you need. Upload .svg files or paste SVG code - everything happens in your browser.Watermark photosSign your photos with text or a logo - in a corner, in the centre or as a pattern across the whole image. See every change live and watermark a whole batch in one go.WebP to JPGSaved an image from a website and it turned out to be .webp? Convert it to JPG, which every program, phone and print shop can open.WebP to PNGTurn WebP files into lossless PNG with transparency preserved - ready for editing in any graphics program.
Compress PDFShrink a scanned or photo-heavy PDF until it fits an email attachment or a portal upload limit. Pages are compressed locally in your browser, so the document never touches a server.Merge PDFAdd PDF files (and optionally JPG or PNG images), put them in the right order and download one merged.pdf. Everything happens in your browser - your documents are never uploaded.PDF to JPGTurn PDF pages into JPG or PNG images - all pages or just the ones you choose, at 72 to 300 DPI. Conversion happens in your browser; your file never leaves your device.Add Page Numbers to PDFSet where the numbers go, how they read and where counting starts, check the live preview, then download the numbered PDF. Everything runs in your browser.Add text to PDFLoad a PDF, click on a page and type - in any size and colour, with full Unicode support. Add dates, ✓ and ✗ marks for forms, and white rectangles to cover parts of a page.Add Watermark to PDFMark a document as CONFIDENTIAL, COPY or DRAFT, or brand it with your logo: choose colour, opacity, rotation and placement, check the preview and save. All in your browser.Extract images from PDFLoad a PDF and the tool finds every embedded image - photos, scans, logos - and shows them as thumbnails. Download them at their original pixel size, individually or as a ZIP.Fill PDF FormOpen a PDF and its interactive fields appear as a simple form you can fill in. No fields, for example in a scan? Click the page and type exactly where the answer belongs - the file never leaves your device.JPG to PDFPut photos, phone scans and screenshots into one PDF document: set the page order, A4 or Letter size, orientation and margin. Your images are never uploaded anywhere.OCR PDFLoad a scanned PDF and the tool recognises the text on every page (OCR). Copy it, download it as .txt or as a searchable PDF with an invisible text layer - all in your browser.Organize PDFSee every page of your PDF as a thumbnail: delete the ones you do not need, drag pages into place, duplicate or reverse them, then save a new PDF.PDF to TextPull the text out of a PDF in one step: copy it to the clipboard or download it as a plain .txt file. It runs locally in your browser and reads the PDF’s text layer - scanned pages need OCR instead.Rotate PDFScan came out sideways or upside down? Rotate every page at once or only the ones that need it - click a thumbnail to turn it 90° and save the corrected PDF.Sign PDFAdd your handwritten signature to a PDF: draw it with a finger or mouse, type your name in a script style, or upload a photo of it. It is an image of a signature (a simple electronic signature), not a certificate-based qualified signature.Split PDFBreak a large PDF into smaller files - every page separately, by ranges or every N pages - or extract just the pages you need. The file never leaves your device.
Video
Screen recorderCapture the whole screen, a single app window or a browser tab, with system sound and a microphone voice-over. Nothing to install, no account and no watermark.Trim videoTrim a video down to the section you need - drag the sliders or type times to 0.1 s precision. Everything runs in your browser, and the file is never sent anywhere.Video compressorShrink a video for an email attachment or a chat app: choose a compression level or type the size you need in MB, and the tool works out the bitrate for you. The file never leaves your device.Video converterConvert a video to another format right in your browser. The file is not uploaded anywhere - your own device does the encoding, often with hardware acceleration.Aspect ratio calculatorEnter a ratio and one dimension to get the other. Or check the ratio of any resolution - e.g. 2560×1440 is 16:9.Merge videosDrop in your clips, put them in playback order and save them as a single video. The merging happens in your browser, so your recordings never leave your device.MOV to MP4 ConverterTurn a MOV video into an MP4 copy that is easier to share with many devices and apps. Select a resolution and quality, then convert locally in your browser.MP4 to WebM ConverterTurn an MP4 video into WebM for web playback and embedding. Choose output quality and resolution, then convert locally in your browser without uploading the file.Remove audio from videoDrop in a video and get the same clip back without its audio track. The picture is not re-encoded, so it takes seconds and the quality stays exactly the same.Video bitrate calculatorFind out how big a video will be, which bitrate keeps it under the Discord or Gmail limit, and how much footage fits into a given file size - with YouTube recommended bitrates built in.Video to GIFSelect up to 15 seconds of a video, choose the smoothness and size, and get a looping GIF ready for chats, docs or a web page. The conversion runs entirely in your browser.WebM to MP4 ConverterConvert a WebM clip to MP4 for playback in a wider range of devices and editing applications. Choose quality and resolution, then process the video locally.
Audio
Online Voice RecorderClick record, speak, pause whenever you need, then listen back and download the recording. The audio stays on your device - nothing is sent over the internet.Video to MP3Turn a video into an audio file - pull out music, a lecture or a recorded conversation as MP3, M4A or WAV. Conversion runs in your browser and the file never leaves your device.Audio ConverterDrop in a song, a podcast episode or a voice memo and save it in the format you need. The conversion runs on your own device, so the file never leaves your computer or phone.Audio CutterSelect the part you want on the waveform, smooth the edges with a fade and download the clip as MP3 or WAV. Great for ringtones, removing silence or shortening a recording - no install and no upload.M4A to MP3iPhone Voice Memos, iTunes downloads and many recording apps save audio as M4A, which some players, upload forms and editors reject. Convert it to MP3 in seconds without sending the file anywhere.Merge AudioAdd your recordings, put them in order and combine them into a single file, with an optional pause or a smooth crossfade between tracks. Everything happens locally in your browser.WAV to MP3A CD-quality WAV takes about 10.6 MB per minute. Convert it to MP3 and it fits in an email, on a phone or on a USB stick - and the conversion happens entirely on your device.
Finance
Amount in words converterType a number and get it spelled out in correct English or Polish - with zlotys and groszy, dollars and cents or no currency at all - ready to paste into an invoice, contract or check.B2B contract calculator PolandFreelancing or contracting in Poland through your own sole proprietorship (JDG)? Enter your monthly invoice and costs, pick your ZUS stage and compare take-home pay under all three tax forms.Invoice generator PolandIssue a Polish-format invoice with English labels next to the Polish ones - VAT invoice, invoice for VAT-exempt sellers or pro forma, with totals per rate, the amount in words in both languages and NIP and IBAN checks. Your data stays in your browser.Mortgage calculator PolandBuying a flat or house in Poland? Enter the loan amount or the property price with your down payment to see the monthly installment, total interest and how the balance falls year by year.Polish salary calculator (gross to net)Working in Poland on an employment contract (umowa o pracę)? See what you actually take home in 2026, with ZUS, the health contribution and income tax broken down month by month, plus the full cost to your employer.Borrowing capacity calculator PolandEstimate the maximum mortgage or personal loan you could get in Poland from your net income, contract type, household size and existing commitments - using the rate buffer and DSTI limits from the KNF recommendations.Compound interest calculatorSee how money works for you - enter a starting amount, a monthly contribution and a rate of return to get your balance year by year.IKE and IKZE calculatorSee how much you would actually take home after years of saving in an IKE, an IKZE or a regular account taxed at 19% - based on your contribution, expected return, horizon and Polish income tax rate. The 2026 limits are shown at the top.Inflation calculator PolandConvert an amount from one year’s prices into another year’s prices using annual average inflation published by Statistics Poland (GUS), and see how much purchasing power the złoty has lost.Leasing calculator PolandWork out the installment on an operating lease with an initial payment and buyout, the total cost and the lease factor - then see how much VAT your business can deduct and how much income tax it saves.Loan overpayment calculatorEnter your outstanding balance, remaining installments and interest rate, then the extra amount you want to pay. The calculator shows how much shorter the loan gets, how far the installment drops and how much interest you save in each scenario.Margin calculatorEnter any two of cost, selling price, margin or markup and get the rest instantly - including the profit per unit and the exact price you need to hit a target margin.PCC tax calculator PolandBought a used car from a private seller or borrowed money from a friend in Poland? The calculator works out the civil law transactions tax (podatek od czynności cywilnoprawnych, PCC), checks exemptions and shows the PCC-3 deadline.Percentage calculatorThe five most common percentage calculations in one place: percent of a number, share, change, increase or decrease and the original value. Results update as you type.Personal loan calculatorCalculate the monthly installment, total interest, fees and insurance on a cash loan - plus the APRC, the one number that lets you compare offers from different lenders fairly.Polish treasury bonds calculatorSee how much you would earn on Polish retail savings bonds (obligacje skarbowe) - year by year, after the 19% Belka tax or inside an IKE/IKZE, held to maturity or redeemed early - and how the result compares with a bank deposit.Term deposit calculatorFind out how much a term deposit (lokata) at a Polish bank will actually earn you - the calculator deducts the 19% tax on interest and handles monthly, quarterly or end-of-term compounding.Umowa o dzieło calculatorDoing a one-off job in Poland on an umowa o dzieło - a translation, a design, an article or a piece of software? Enter the amount to see the tax and what you take home.Umowa zlecenie calculatorPaid on an umowa zlecenie in Poland? Enter the gross amount, choose your insurance status and see your take-home pay, every deduction and what the contract costs the client.VAT calculator PolandEnter one amount and pick a rate - the net price, the VAT and the gross price appear instantly, rounded to the grosz exactly as Polish invoices require.
Law & business
Annual leave calculator (Poland)Find out how many days of paid holiday you are entitled to in Poland. The calculator adds your years of education to your service, adjusts leave for part-time work and a first job, and shows the result in hours.Car sale agreement (Poland)Buying or selling a used car in Poland? Fill in the seller, buyer and car details in English and get a standard Polish car sale agreement, with the price in words, the usual declarations and space for signatures, ready to print as a PDF.PESEL validatorEnter an 11-digit PESEL to check the check digit and the encoded date of birth. You also see the sex and the structure of the number, and you can validate a whole list at once.IBAN validatorPaste an IBAN to check its checksum and length for the country. You also get the print and electronic formats, ready to copy.Late payment interest calculator (Poland)Enter the amount, the due date and the payment date, and the calculator works out Polish statutory late payment, capital or commercial interest, split into the periods in which different rates applied.Maternity benefit calculator (Poland)Work out your monthly and total maternity benefit (zasiłek macierzyński) for maternity and parental leave in Poland. The calculator compares 81.5% for the whole period with 100% + 70% and shows gross and net amounts in PLN.Notice period calculator (Poland)Enter the date notice was served and when you started with your employer. The calculator gives the length of the notice period and your last day of work under the Polish Labour Code.Overtime pay calculator (Poland)Find out how much you earn for overtime in Poland. The calculator works out your hourly rate from the working hours in the chosen month of 2026 and adds the 50% or 100% supplement under Art. 151¹ of the Labour Code.Polish NIP validatorEnter a Polish NIP in any format (with dashes, spaces or the PL prefix) and the validator instantly checks the control digit and shows how it was calculated.REGON validatorEnter a 9- or 14-digit REGON and the validator checks the control digit. For a 14-digit local unit number it also checks the parent entity REGON hidden in the first nine digits.Severance pay calculator (Poland)Choose the type of severance, enter your salary and length of service with the employer. The calculator shows the gross amount in PLN, applies the 15 × minimum wage cap and explains whether income tax and ZUS apply.Sick pay calculator (Poland)Enter your average gross salary and the number of sick days. The calculator applies Polish rules for 2026 and shows the gross and net amount in PLN, split into employer sick pay and ZUS sickness benefit.Unused vacation pay calculator (Poland)Work out how much your employer must pay for annual leave you did not take when your contract ends. The calculator uses the leave coefficient for the year, your working time and the 3-month average of variable pay.
Unit converters
Length converterConvert inches to centimetres, feet to metres or miles to kilometres. The converter uses exact definitions (1 inch = 2.54 cm) and shows every unit at once.Temperature converterConvert degrees Celsius to Fahrenheit or kelvins and back. Includes formulas, a table of key temperatures and oven-temperature examples.Area ConverterConvert an area value between metric and imperial units, including square metres, square feet, acres and hectares. Results update instantly with common reference values.Data Size ConverterConvert digital storage values from bits and bytes through kilobytes, megabytes, gigabytes and tebibytes. Compare decimal and binary prefixes clearly.Kitchen converterConvert grams to cups (US 240 ml or metric 250 ml), tablespoons, teaspoons, ounces and millilitres - and back - for flour, sugar, butter, honey, oats and 19 more ingredients.Speed ConverterConvert a speed between mph, km/h, knots, feet per second and metres per second. The calculator also shows equivalent values across the supported units.Volume ConverterConvert liquid and cubic volume values across metric, US customary and imperial units. Choose the correct gallon standard and see the result in other units instantly.Weight converterConvert kilograms to pounds, ounces to grams or stone to kilograms. Metric and imperial units with exact definitions and instant results.
Math
Fraction calculatorEnter two fractions or mixed numbers and pick an operation. You get the simplified result, a mixed number, the decimal expansion and a step-by-step explanation.Grade average calculatorType your grades, e.g. “5 4+ 3 6” or with weights “5:3 4:2”, and get the simple and weighted average instantly. Weights can be test weights, credit hours or ECTS credits.Area and perimeter calculatorPick a shape or solid and enter its dimensions - the calculator shows area, perimeter, diagonal, volume and surface area, the formula with your numbers and a labelled diagram.Dice rollerRoll 1-10 dice of one type or any combination in RPG notation (e.g. 2d6+1d4−1). You get every die’s value, the total with modifier, the possible range and the average.GCD and LCM calculatorEnter two or more integers - the calculator finds the greatest common divisor (GCD) and least common multiple (LCM), factorises each number into primes and shows the steps of the Euclidean algorithm.Number base converterType a number and pick its base - the converter shows it in binary, octal, decimal, hexadecimal and any other base (2-36), including negative and fractional numbers, with two’s complement and the conversion steps.Proportion calculator (rule of three)Enter three known values and get the fourth instantly. Choose a direct proportion (more means more) or an inverse one (more means less) and follow the step-by-step working, ideal for homework, recipes and everyday maths.Quadratic equation solverEnter a, b and c - the solver calculates the discriminant and exact roots (as fractions, surds or complex numbers), the vertex, the vertex and factored forms, and draws the parabola.Random number generatorPick a random number from 1 to 100 or any other range, draw several unique numbers, choose a giveaway winner, shuffle a list into teams or roll dice - all with your browser’s cryptographic random generator.Roman numerals converterType an Arabic number, a Roman numeral or a date - the converter shows the correct notation, breaks it into symbols and flags malformed numerals such as IIII or VX.Scientific calculatorType a full expression such as 2^10 + sin(30) · √16 or use the buttons - the calculator respects the order of operations and supports brackets, trigonometry (DEG/RAD), logarithms, factorial, percent and the previous answer (ANS).Wheel spinnerType options (one per line), click “Spin the wheel” and watch the pointer stop on the winner. The result comes from your browser’s cryptographic random generator.
Text
Character counterPaste your text to see characters with and without spaces, words, sentences, paragraphs, reading time and SMS parts - updated as you type, entirely in your browser.Diff checkerPaste two texts - added, removed and changed lines are highlighted, and changed lines show exactly which words or characters differ.Text to speechThis tool reads your text aloud using the speech synthesizer built into your system and browser. Pick a voice, set the pace, pause and resume, and follow the highlighted words.Case converterPaste text and pick a style: fix something typed with Caps Lock, format a headline, or turn a phrase into a variable, column or file name in the naming convention your code uses.Fancy text generatorType your text to see it in 24 Unicode styles. Copy any of them in one click and paste into an Instagram bio, a TikTok caption, a Discord name or a Facebook post.Lorem ipsum generatorCreate placeholder text for mockups, website templates and print layouts: classic Latin lorem ipsum or an English-sounding filler, from a single word up to 100 paragraphs, as plain text or HTML.Morse code translatorType text or paste dots and dashes - the translator detects the direction automatically. Play the result as a CW tone or watch it as a flashing light.Remove accents and Polish charactersPaste text to get a clean ASCII version without accents - for file names, usernames, CSV imports, SMS messages or systems that choke on Unicode. Polish letters such as ł, which most tools miss, are handled properly.Remove duplicate linesPaste a list - one item per line - and remove duplicates, sort A-Z, number the lines or count occurrences in one click. Everything runs in your browser.Slug generatorPaste a headline or a list of titles and get readable, SEO-friendly slugs for blog posts, product pages and file names. Accents and special characters are transliterated, not just deleted.
Developers
JSON formatterPaste JSON to beautify or minify it instantly. If it is invalid, you get the exact line and column, a code excerpt with a caret and a plain-language explanation.Password generatorCreate secure passwords from letters, digits and symbols, or easy-to-type passphrases made of random English words. Every password is generated in your browser with crypto.getRandomValues() and never leaves your device.Base64 encoder and decoderConvert text to Base64 and back with proper UTF-8 handling, so accented letters, non-Latin scripts and emoji survive the round trip. The URL-safe variant used in JWTs and URLs is supported too.Contrast checkerEnter a text and a background colour (HEX, RGB or HSL) to get the contrast ratio instantly, see whether the pair meets WCAG 2.2 AA and AAA, and get the closest colour that passes.Cron generatorEnter a cron expression to see what it means and when it will run next - or build a schedule in the visual builder and pick from common presets.CSV ↔ JSON converterPaste data or load a file: the converter detects the delimiter (comma, semicolon, tab or pipe), handles quoted fields correctly and produces a file that opens cleanly in Excel or Google Sheets.Hash generator (MD5, SHA-256)Type text or drop a file to get all common hashes at once. Paste the checksum published by a vendor to verify that your download is intact - the file is hashed locally and never uploaded.JWT decoderPaste a JWT to see its header and claims in a readable form, check whether it has expired, and verify the signature with a secret or public key. Everything runs locally.Regex testerType a pattern and a test string to see every match highlighted, with a table of capture groups and a live replace preview. Matching runs in a Web Worker with a time limit, so a runaway pattern never freezes the page.SQL formatterPaste an SQL query to beautify it instantly - each clause on its own line, consistent indentation and keyword case - or minify it to a single line. Supports over a dozen dialects.Unix timestamp converterSee the current epoch time ticking live, paste any timestamp to get the date in your time zone, UTC, ISO 8601 and HTTP format, or pick a date to get its timestamp in seconds and milliseconds.URL encoder and decoderPercent-encode query values or whole addresses, decode %XX sequences back to readable text, and break a URL into its parts with a table of query parameters. Everything runs in your browser.UUID generator (v4, v7)Create UUIDs with a cryptographic random generator, copy them or download a .txt file, and paste any UUID or GUID into the validator to see its version, variant and creation time.
Date & time
Days between datesPick two dates and instantly see the number of days, the split into years, months and weeks, and how many of them are working days.Online stopwatchA simple and accurate browser stopwatch: start, stop, laps with split times, keyboard shortcuts and fullscreen. No installation needed.Poland public holidaysThe full list of statutory days off in Poland for any year, long weekends that need no leave, and bridge days - how many days of annual leave you need for 4, 9 or 16 days off in a row.Add days to a dateFind out what the date will be in 30, 90 or 180 days, or what it was a year ago. The result, with the day of the week and any public holiday, appears instantly.Age calculatorEnter a date of birth and see the exact age to the day, how many days have passed, how long until the next birthday and which day of the week the person was born on.Countdown timerSet a time or pick a date and press Start. The timer stays accurate in a background tab, rings when time is up and can go fullscreen for a classroom, gym or stage.Week numberSee the current ISO 8601 week number, look up the week of any date, get the Monday-Sunday dates of a given week number and browse all weeks of a year.Working days calculator PolandCount business days in Poland excluding weekends and the 14 public holidays, find the date 10 or 30 working days ahead, or see the full-time working hours for every month of the year.
Health & fitness
Blood alcohol calculatorEnter your sex, body weight, the drinks you had and when you started - the calculator estimates your blood alcohol level (per mille and % BAC) and when it should fall below common legal limits.BMI calculatorEnter your height and weight to get your BMI, WHO category and the healthy weight range for your height.Due date calculatorEnter the first day of your last period (or a conception, IVF transfer or ultrasound date) to get the estimated due date, your current week of pregnancy, the trimester and a timeline of key scans.Calorie calculatorEnter your sex, age, weight, height and activity level in metric or imperial units to get your BMR, total daily energy expenditure and a calorie target with macros for your goal.Ovulation calculatorEnter the first day of your last period and your usual cycle length to see the estimated ovulation day, the 6-day fertile window and the date of your next period for the coming months.
Everyday
Fuel Consumption CalculatorEnter the fuel added and distance driven to calculate your vehicle’s fuel economy. Compare US and UK MPG with metric units, or estimate fuel and cost for a planned drive.Concrete calculatorPick an element (slab, footing, column, stairs) and enter its size - the calculator gives the concrete volume with extra, 25 kg cement bags, sand, gravel and water, and the ready-mix cost.Electricity cost calculatorAdd devices from the list or enter your own wattage and hours of use. The calculator adds up the kWh per month and year and the cost at your electricity rate, including standby power.Flooring calculatorEnter your room sizes, laying pattern and m² per pack - the calculator works out how many packs of flooring, skirting boards and underlay you need, and the cost.Paint calculatorEnter the room or wall dimensions, windows and doors, number of coats and paint coverage - the calculator gives you the litres, number of tins and cost.Road Trip Cost CalculatorEnter the one-way distance, vehicle efficiency and current fuel or electricity price. Add tolls, parking and passengers to estimate the total and each person’s share.Square metre calculatorChoose a shape and enter its dimensions in metres or centimetres - the calculator gives the area in m², ares and hectares, plus the cost at your price per m².Tile calculatorEnter the floor or wall size, tile dimensions, joint width and pattern - the calculator gives you tiles and boxes with waste, the cost and how much adhesive and grout to buy.