Unit Conversion
Practical technical unit conversions used in engineering, manufacturing and quoting.
Category
Length
Metric system
Base units used in engineering and technical documentation
Millimetre
mm
Centimetre
cm
Decimetre
dm
Metre
m
Kilometre
km
Imperial units
Used in US and UK documentation
Inch
in
Foot
ft
Yard
yd
Mile
mi
Nautical units
Used in transport and logistics
Nautical mile
n.m.
More technical conversions
coming soonWe are gradually expanding the conversion database with more quantities used in mechanical engineering and manufacturing.
AngleFrequencyElectrical quantities
Frequently used conversions
mm → inch
inch → mm
kg → lb
lb → kg
bar → psi
psi → bar
Nm → ft-lb
m → ft