Which categories are supported?

Length, weight/mass, temperature, volume, area, and digital data sizes (bytes through terabytes).

How precise are the conversions?

Conversions use standard SI factors with high-precision floating point.

Unit Converter

Convert length, weight, temperature, and data sizes.

Length

Weight

Temperature

Volume

Data

KB vs KiB: decimal vs binary

Two competing conventions for "kilobyte":

KB, MB, GB: powers of 1,000. Used by storage vendors and networks.
KiB, MiB, GiB: powers of 1,024. Used by most operating systems.

A "1 TB" disk shows as ~931 GiB in your OS. Same bytes, different yardstick.

From

Millimeter (mm)

Centimeter (cm)

Meter (m)

Kilometer (km)

Inch (in)

Foot (ft)

Yard (yd)

Mile (mi)

Nautical mile (nmi)

Milligram (mg)

Gram (g)

Kilogram (kg)

Tonne (t)

Ounce (oz)

Pound (lb)

Stone (st)

Celsius (°C)

Fahrenheit (°F)

Kelvin (K)

Milliliter (mL)

Liter (L)

Cubic centimeter (cm³)

Cubic meter (m³)

Cubic inch (in³)

Cubic foot (ft³)

Teaspoon, US (tsp)

Tablespoon, US (tbsp)

Fluid ounce, US (fl oz)

Cup, US (cup)

Pint, US (pt)

Quart, US (qt)

Gallon, US (gal)

Gallon, UK (gal)

Byte (B)

Kilobyte (KB)

Megabyte (MB)

Gigabyte (GB)

Terabyte (TB)

Petabyte (PB)

Kibibyte (KiB)

Mebibyte (MiB)

Gibibyte (GiB)

Tebibyte (TiB)

Pebibyte (PiB)