Conversions

12 free conversions calculators. No signup required.

Convert between 40+ world currencies with live exchange rates. Mid-market rates updated daily.

Convert between Celsius, Fahrenheit, and Kelvin instantly.

Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles.

Convert between milligrams, grams, kilograms, ounces, pounds, stone, and metric tons.

Convert between milliliters, teaspoons, tablespoons, cups, pints, quarts, liters, and gallons.

Convert between miles per hour, kilometers per hour, meters per second, knots, and feet per second.

Convert between bytes, kilobytes, megabytes, gigabytes, terabytes, and petabytes.

Convert between milliseconds, seconds, minutes, hours, days, weeks, months, and years.

Convert between square feet, square meters, acres, hectares, square miles, and more. Edit any field to convert all others.

Count words, characters, sentences, paragraphs, and reading time instantly as you type or paste text.

Convert numbers to Roman numerals or Roman numerals back to numbers instantly. Supports 1–3,999.

Convert colors between HEX, RGB, and HSL formats instantly. Includes a live color preview and one-click copy.