Length converter
Convert millimetres, centimetres, metres, inches, feet, yards and miles, including feet-and-inches.
nm
µm
mm
cm
m
km
mil
in
ft
yd
mi
nmi
Feet and inches → metric (body height, room size)
ft
in
- Centimetres
- 180.34cm
- Metres
- 1.8034m
Metric → feet and inches
cm
- Feet (whole)
- 5ft
- plus inches
- 10.87in
1 inch is exactly 2.54 cm and 1 foot exactly 30.48 cm. All factors are exact international definitions.
How it works
Metric and imperial lengths are linked by exact definitions: 1 inch = 25.4 mm, 1 foot = 12 inches, 1 mile = 5280 feet.
Formulas
- 1 in = 2.54 cm
- 1 ft = 0.3048 m
- 1 mi = 1.609344 km
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