Standard factors
Uses exact factors such as 1 inch=2.54cm and 1 mile=1609.344m.
Unit Converter
Length Converter — m, cm, inch, feet, miles
Instantly convert meters (m), centimeters (cm), millimeters, kilometers, inches, feet, yards, and miles.
Converted to
mm1,000
cm100
m1
km0.001
in39.37
ft3.281
yd1.094
mi0.001
What is the length converter?
It converts between metric (mm, cm, m, km) and imperial (inch, foot, yard, mile) units. Enter a value in one unit and the rest update instantly.
How to use
- 1 Enter the value to convert.
- 2 Choose the source unit.
- 3 Read the converted results in every unit.
Highlights
All at once
One input shows every unit simultaneously.
Instant
Results update as you type.
FAQ
How many cm in an inch?+
1 inch = 2.54 cm.
How many km in a mile?+
1 mile ≈ 1.609 km.
How many cm in a foot?+
1 foot = 30.48 cm = 12 inches.
Related converters
This converter uses international standard unit definitions and is for general reference.