Unit converter
Temperature
°F
°C
°F
°K
°C
°K
Lengths
mm
cm
cm
m
m
km
Linear, square, and cubic units
unit
unit²
unit
unit³
Area
mm²
cm²
cm²
m²
m²
km²
m²
ft²
Volume
mm³
cm³
cm³
m³
l
cm³
m³
l
Speed
m/sec
km/h
km/h
mi/h
Time
ms
sec
sec
min
min
h
hours
days
Mass
gram
kilogram
kilogram
tonne
Land plots
sotka
m²
m²
hectare
m²
acre
acre
hectare