Converters
Length Converter
Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles instantly.
Input
Result
Converted value will appear here.
How to Use
- Enter a value and select its current unit.
- Select the unit you want to convert to.
- The converted value is calculated instantly.
Supported Units
Converts between metric units (millimeter, centimeter, meter, kilometer) and imperial/US units (inch, foot, yard, mile). All conversions go through meters internally: each unit has a fixed meters-per-unit ratio (e.g. 1 inch = 0.0254 m, 1 mile = 1609.34 m), so converting unit A to unit B is value × (A's ratio ÷ B's ratio).
Common Uses
- Converting product dimensions between metric and imperial for international listings.
- Checking height or distance measurements given in an unfamiliar unit.
- Converting recipe or construction measurements.
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