Length Converter
Convert all length units including mm, cm, m, km, inch, feet, yard, and mile
Full Length Conversion Table
Millimeter (mm)
10
Centimeter (cm)
1
Meter (m)
0.01
Kilometer (km)
0.00001
Inch (in)
0.3937007874
Foot (ft)
0.03280839895
Yard (yd)
0.01093613298
Mile (mi)
0.000006213711922
Nautical Mile (nmi)
0.000005399568035
Light Year (ly)
1.056971e-18
How to Convert Length
Select the source and target units and enter a value for instant conversion. Use the swap button to reverse the direction.
What are cm, inch, m, km?
Length units are based on the meter (m) of the International System (SI). 1 inch = 2.54 cm, 1 foot = 30.48 cm, 1 mile = 1.609 km.
Frequently Asked Questions
How many centimeters is 1 inch?
1 inch is exactly 2.54 centimeters.
How many meters is 1 foot?
1 foot is 0.3048 meters (about 30.48 cm).
How many kilometers is 1 mile?
1 mile is approximately 1.609 kilometers.
How do I quickly convert cm and inch?
To convert cm to inch, divide by 2.54. To convert inch to cm, multiply by 2.54.
How many km is a nautical mile?
1 nautical mile is exactly 1.852 kilometers.