Length Converter
Convert length units such as meter, kilometer, cm and mile.
How is it calculated?
Result = Value × Source Unit ÷ Target Unit
Example: 1 km = 1,000 m
More about this calculation
Length conversion changes a measurement from one unit to another, for example from kilometers to miles or from centimeters to inches.
Length units are converted through a base unit, the meter. To convert, multiply the value by the factor of the source unit and divide by the factor of the target unit. Common units include millimeter, centimeter, meter, kilometer, inch, foot, yard and mile.
Frequently asked questions
How do I convert kilometers to miles?
Multiply the number of kilometers by 0.6214 to get miles, or multiply miles by 1.609 to get kilometers.
How many centimeters are in an inch?
One inch is exactly 2.54 centimeters.
What is the base unit of length?
The meter; the other metric units are multiples of it.