Unit Converter
Length, area, mass, volume, temperature, speed, pressure, power, energy, data, bitrate, timestamps, and radix — many outputs from one input.
Type a number in any row; other units update automatically. Click another row to edit in that unit.
All units
mm
cm
m
km
in
yd
ft
mi
Unit conversion reference
1 kilometer is about 0.621371 miles; 1 inch equals 2.54 cm. One hectare is 10,000 m². Data storage supports IEC (1024) and SI (1000) prefixes. Timestamps are parsed in the browser; “China Standard Time” uses the Asia/Shanghai zone. Conversions use convert-units plus custom formulas for mu, Mach, hp, atm, and calories. Results are for general reference only.
About This Tool
Length, area, mass, volume, temperature, speed, pressure, power, energy, data, bitrate, timestamps, and radix — many outputs from one input.
Keywords: unit, convert, length, temperature, radix