Length Converter
Convert between metric and imperial length units: meters, feet, inches, miles, and more.
Popular length conversions
Centimeters to Inches1 centimeter (cm) = 0.393701 inches. Since 1 inch = 2.54 cm exactly, divide cm by 2.54 to convert.Inches to Centimeters1 inch (in) = exactly 2.54 centimeters (cm) — the international standard since 1959. 12 inches = 30.48 cm.Meters to Feet1 meter (m) = 3.28084 feet (ft). A person 1.8 m tall is about 5 ft 10.9 in — roughly 5 ft 11 in.Feet to Meters1 foot (ft) = exactly 0.3048 meters (m) — the international standard since 1959. 6 ft = 1.8288 m.Kilometers to Miles1 kilometer (km) = 0.621371 miles. A 5 km run = 3.107 miles. A marathon (42.195 km) = 26.22 miles.Miles to Kilometers1 mile (mi) = exactly 1.60934 km. A 26.2-mile marathon equals 42.195 km. 1 mile drive = 1.609 km.
More length conversions
Length units
Meter
m
Kilometer
km
Centimeter
cm
Millimeter
mm
Micrometer
μm
Nanometer
nm
Inch
in
Foot
ft
Yard
yd
Mile
mi
Nautical Mile
nmi
What is length?
Length measures the distance between two points along a straight line.
Common use cases
- Measuring height and distance
- Construction dimensions
- Fabric and material cutting
- Screen and display sizes