Everyday tools that just work
Fast, private calculators, converters and text tools. No signup, no uploads — most things run right in your browser.
Popular
Most usedPercentage Calculator
Quickly find what percent of a number is — instantly, in your browser.
BMI Calculator
Body Mass Index from weight and height, with category.
Tip Calculator
Work out the tip and split the bill between any number of people.
Loan / Monthly Payment
Estimate a fixed monthly payment from amount, rate and term.
Length Converter
Convert between metric and imperial length units instantly.
Word Counter
Count words, characters, sentences and reading time as you type.
Age Calculator
Exact age in years, months and days from a birth date.
Sales Tax / VAT Calculator
Add sales tax or VAT to a price and see the net, tax and gross.
Calculators
15 toolsPercentage Calculator
Quickly find what percent of a number is — instantly, in your browser.
Discount Calculator
See the final price after a discount and how much you save.
Profit Margin Calculator
Turn cost and selling price into profit, margin and markup.
BMI Calculator
Body Mass Index from weight and height, with category.
Age Calculator
Exact age in years, months and days from a birth date.
Loan / Monthly Payment
Estimate a fixed monthly payment from amount, rate and term.
Tip Calculator
Work out the tip and split the bill between any number of people.
Sales Tax / VAT Calculator
Add sales tax or VAT to a price and see the net, tax and gross.
Compound Interest Calculator
See how savings grow with compound interest over time.
Simple Interest Calculator
Calculate simple interest and the total from principal, rate and time.
Percentage Change Calculator
Find the percentage increase or decrease between two values.
Average (Mean) Calculator
Get the average, sum, count, min and max of a list of numbers.
Date Difference Calculator
Count the days, weeks and months between two dates.
Hours Calculator
Find how much time passes between a start and end time.
BMR & Calorie Calculator
Estimate your basal metabolic rate and daily calorie needs.
Converters
8 toolsLength Converter
Convert between metric and imperial length units instantly.
Temperature Converter
Convert Celsius, Fahrenheit and Kelvin in real time.
Weight Converter
Convert between kilograms, pounds, ounces, grams and more.
Speed Converter
Convert km/h, mph, m/s, knots and feet per second.
Area Converter
Convert square meters, acres, hectares, square feet and more.
Volume Converter
Convert liters, milliliters, gallons, cups and fluid ounces.
Data Storage Converter
Convert bits, bytes, KB, MB, GB and TB.
Time Converter
Convert seconds, minutes, hours, days, weeks and years.
Text Tools
7 toolsWord Counter
Count words, characters, sentences and reading time as you type.
Case Converter
Transform text to UPPER, lower, Title and Sentence case.
Slug Generator
Turn any title into a clean, URL-friendly slug.
Text Reverser
Reverse the characters of any text instantly.
Text to Binary
Convert text into 8-bit binary (ASCII) code.
Morse Code Translator
Convert text into International Morse code.
Base64 Encoder
Encode text to Base64 (UTF-8 safe), right in your browser.