Free unit & currency converters

Instant conversions for everyday units, numbers, time zones, and currencies — no sign-up, no ads blocking the result.

Converters

Convert between meters, feet, inches, miles, and more.

Convert between kilograms, pounds, ounces, and more.

Convert between Celsius, Fahrenheit, and Kelvin.

Convert between liters, gallons, cups, and more.

Convert between km/h, mph, m/s, and knots.

Convert between bits, bytes, KB, MB, GB, TB — decimal and binary.

Convert between binary, octal, decimal, and hexadecimal.

Convert a date and time between any two time zones.

Convert between currencies using up-to-date exchange rates.