Length Converter
Convert common length units accurately with a simple global tool.
Length and distance converter
Convert everyday and technical length measurements between metric and imperial units. The tool is useful for travel, construction, education, shopping and general calculations.
How it works
Frequently asked questions
Which length units are supported?
Common metric and imperial units include millimeters, centimeters, meters, kilometers, inches, feet, yards and miles, depending on the converter options.
How many centimeters are in a meter?
One meter equals 100 centimeters.
Are miles metric?
No. Miles are part of the imperial/US customary measurement system, while kilometers are the common metric distance unit.
Related GlobalConvert tools
Length Converter Guide
Use this converter when you need to compare measurements expressed in different units. Enter a value, choose the source unit, then select the unit you want for the result. Common conversions include millimeters to inches, centimeters to inches, meters to feet, kilometers to miles, and meters to yards.
For everyday work, keep the original unit visible so you can check the result before copying it. Remember that length conversion changes the unit, not the physical measurement itself. Rounding is useful for quick estimates, while engineering, construction, or scientific work may require more decimal places.
Common examples
- 1 meter = 100 centimeters.
- 1 kilometer is about 0.621371 miles.
- 1 inch = 2.54 centimeters exactly.
The tool is most useful when you are comparing specifications, preparing measurements, converting travel distances, or checking values from documents that use different measurement systems.