Unit Converter – Free Online Tool for Fast & Accurate Unit Conversions
Convert units instantly with our free Unit Converter tool. Supports length, weight, temperature, area, volume, speed, data storage, and more with fast and accurate conversions.
Length
Convert distances from millimeters to nautical miles and everything in between.
mm · cm · m · km · in · ft · yd · mi · nmi
Weight
Switch between metric and imperial weight units with precision.
mg · g · kg · t · oz · lb · st
Temperature
Convert between Celsius, Fahrenheit, and Kelvin using exact formulas.
°C · °F · K
Area
Convert surface area units from square millimeters to square miles.
mm² · cm² · m² · km² · ha · ac · ft² · mi²
Volume
Convert liquid and dry volumes across metric and US customary units.
ml · L · m³ · tsp · tbsp · cup · pt · qt · gal
Speed
Convert velocity units from m/s to Mach, including knots and mph.
m/s · km/h · mph · kn · Ma
Time
Convert time durations from milliseconds to years.
ms · s · min · h · d · wk · mo · yr
Data Storage
Convert between decimal (SI) and binary (IEC) storage units.
B · KB · MB · GB · TB · KiB · MiB · GiB