Converters
Convert units, currencies, time zones and file sizes. Fast, free converters that work entirely in your browser.
Length Converter
Convert length units instantly — meters, feet, inches, kilometers, miles and more. Free online length unit converter.
Weight Converter
Convert weight and mass units — kilograms, pounds, ounces, grams, stones and tons. Free online weight converter.
Temperature Converter
Convert temperatures between Celsius, Fahrenheit and Kelvin instantly. Free online temperature converter.
Speed Converter
Convert speed units — km/h, mph, m/s, ft/s and knots. Free online speed converter for driving, running and sailing.
Currency Converter
Convert between 35+ world currencies with daily-updated exchange rates. Free currency converter — USD, EUR, GBP, INR, JPY and more.
Time Zone Converter
Convert any date and time between world time zones — perfect for scheduling meetings across New York, London, India and Tokyo.
File Size Converter
Convert file sizes between bits, bytes, KB, MB, GB, TB and their binary KiB/MiB/GiB equivalents. Understand why your 1 TB drive shows 931 GiB.