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Length Converter (cm, inch, feet, km and more)
Convert between millimetres, centimetres, metres, kilometres, inches, feet, yards and miles.
About this calculator
Every unit is converted through metres, using exact definitions such as 1 inch = 0.0254 m and 1 foot = 0.3048 m. Example: 170 cm is about 66.93 inches.
Results are estimates for information only. Please confirm important decisions with a qualified professional.
Frequently asked questions
How many cm is 1 inch?
1 inch is exactly 2.54 cm.
How many km is 1 mile?
1 mile is 1.609344 km.