Everyday Tools

Everyday tools that just work

Fast, free and private. Every tool runs in your browser, so nothing you type is uploaded anywhere.

Date & time

Count days, add dates and work out ages.

Days Between Dates Calculator Count the exact number of days between two dates, plus weeks, months, weekdays and weekend days. Free, instant and private. Date Calculator: Add or Subtract Days Add or subtract days, weeks, months or years from any date and get the exact result with its weekday and ISO date. Free, instant and private. Time Zone Converter Pick a date, a time and two cities to see the converted time, the time difference and UTC offsets, with daylight saving applied. Free, instant and private. Age Calculator Find your exact age in years, months and days, total days lived, the countdown to your next birthday and the weekday you were born on. Free and instant. Pregnancy Due Date Calculator Estimate your due date from your last period, conception date or IVF transfer, plus your current week of pregnancy and trimester dates. Free and private.

Money

Loans, interest, tips, tax and discounts.

Loan Calculator Work out your monthly loan payment, total interest and total cost for fixed, equal-principal or interest-only repayment. Free, instant and private. Mortgage Calculator with Taxes and Insurance Estimate your monthly mortgage payment with principal, interest, property tax, insurance, PMI and HOA dues, plus total interest and payoff date. Free, instant. Car Loan Calculator with Tax and Trade-In Work out your monthly car payment, total interest and total cost from the price, down payment, trade-in, sales tax, APR and term. Free, instant and private. Percentage Calculator Work out what percent one number is of another, X percent of a value, or the percentage increase and decrease between two numbers, with the formula shown. Compound Interest Calculator Calculate how savings grow with compound interest and monthly deposits: final balance, total interest, effective annual rate and time to double. Free, instant. Discount Calculator Find the final price after a percentage discount, an extra stacked discount and sales tax, plus exactly how much you save. Free, instant and private. Profit Margin Calculator Enter your cost and selling price to see gross profit, profit margin and markup percentage side by side. Free, instant and private, with the formulas explained. Sales Tax Calculator Add sales tax to a price or work backwards from a tax-inclusive total to find the pre-tax amount and the tax itself, with the formula shown. Free and instant. Tip Calculator with Bill Split Work out the tip, the total and each person's share of a restaurant bill, with an option to round every share up to the next dollar. Free, instant and private.

Text

Count words, change case and clean up text.

Word Counter Paste text to count words, characters with and without spaces, sentences, paragraphs and estimated reading time. Runs in your browser, nothing is uploaded. Case Converter Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case or CONSTANT_CASE instantly. Free and private.

Health

Body metrics and daily wellbeing numbers.

BMI Calculator Calculate your BMI from height and weight in metric or imperial units, see your WHO category and the healthy weight range for your height. Free and instant. Sleep Calculator: Best Bedtime and Wake-Up Time Find the best time to go to sleep or wake up based on 90-minute sleep cycles, including the minutes you need to fall asleep. Free, instant and private. Calorie Calculator: BMR and Daily Needs (TDEE) Work out your BMR and daily calorie needs (TDEE) with the Mifflin–St Jeor formula, then get a daily target to maintain, lose or gain weight. Free and instant.

Converters

Units, measurements and formats.

Length Converter Convert lengths between mm, cm, m, km, inches, feet, yards and miles instantly. Shows the exact conversion factor and a table of every unit. Free and private. Weight Converter Convert weights between mg, g, kg, tonnes, ounces, pounds, stone, geun and don instantly, with the exact factor and a table of every unit. Free and private. Temperature Converter Convert temperatures between Celsius, Fahrenheit and Kelvin instantly. See all three readings and the formula used, such as °F = °C × 9/5 + 32. Free tool. Area Converter Convert areas between square meters, square feet, acres, hectares, square miles and Korean pyeong instantly, with the exact factor shown. Free and private. Volume Converter Convert liters, milliliters, US gallons, quarts, pints, cups, fluid ounces, tablespoons and teaspoons instantly, with the exact factor and a full unit table. Speed Converter Convert speeds between miles per hour, kilometers per hour, meters per second, knots and feet per second instantly, with the exact factor and a full table.

Random

Passwords, numbers and picks.

Strong Password Generator Create strong random passwords with your choice of length, letters, digits and symbols, plus entropy, strength and crack-time estimates. Free and private. Random Number Generator Generate random numbers between any minimum and maximum, one at a time or up to 1,000 at once, with no repeats and sorting if you need them. Free and instant. Lottery Number Generator Generate random lottery numbers for Powerball, Mega Millions, EuroMillions, UK Lotto and Lotto 6/45, with lucky numbers to include or exclude. Free and instant.

Developer

Small utilities for code and data.

JSON Formatter and Validator Pretty-print JSON with 2-space, 4-space or tab indents, minify it to one line, sort keys and spot syntax errors. Runs in your browser; nothing is uploaded.

Work & pay

Wages, hours and workplace calculations.

Hourly to Salary Calculator Convert an hourly wage to yearly, monthly, weekly and daily pay, or a salary back to an hourly rate, using your own hours and weeks. Free and instant. Hours Calculator: Time Between Two Times Count the hours and minutes between a start and end time, subtract breaks, multiply by days and see the pay at your hourly rate. Free, instant and private.

Why people use these tools