Length Converter
Convert between inches, feet, centimetres, metres, miles, kilometres and more — including feet and inches.
About this tool
Enter a length, pick the unit you have and the unit you want. You get the exact conversion, the length in feet and inches, and the same length in every metric and imperial unit at once. Uses the exact definitions (1 inch = 2.54 cm).
Frequently asked questions
Exactly 2.54 cm. Since the international yard and pound agreement of 1959 the inch has been defined as 25.4 mm, so 12 inches (1 foot) is exactly 30.48 cm and 1 yard is 91.44 cm.
Divide by 2.54 to get inches, then divide by 12: whole feet plus the remainder in inches. For example 178 cm ÷ 2.54 = 70.08 in, which is 5 ft 10.08 in.
A statute mile is 1,760 yards = 1,609.344 m. A nautical mile, used at sea and in aviation, is exactly 1,852 m. A knot is one nautical mile per hour.
In Norway and Sweden a mil means 10 km, and it is used in everyday speech for distances and fuel use. So 1 mil is about 6.21 statute miles, and a 100 km drive is 10 mil.
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