Length Conversion Calculator
Convert length between various units instantly
Instant Conversion
3.281
Common Length Conversions
💡 Quick Reference: This calculator supports 35 different length units including metric (meter, kilometer, millimeter), Imperial/US (inch, foot, yard, mile), nautical (nautical mile, fathom), surveying units (rod, chain, furlong), astronomical units (AU, light year, parsec), and historical units (cubit, hand, league). All conversions are performed instantly as you type.
⚠ Disclaimer: This tool is intended for general reference and educational purposes. While we strive for accuracy, please verify critical conversions independently. piping-world.com accepts no liability for errors or actions taken based on the output of this calculator.
Below is the Table of common Length Conversion units
| Unit | Symbol | Basis | Meters (m) | Millimeters (mm) | Inches (in) | Feet (ft) | Kilometers (km) |
|---|---|---|---|---|---|---|---|
| Millimeter | mm | Metric | 0.001 | 1 | 0.0393701 | 0.00328084 | 0.000001 |
| Centimeter | cm | Metric | 0.01 | 10 | 0.393701 | 0.0328084 | 0.00001 |
| Meter | m | Metric SI | 1 | 1000 | 39.3701 | 3.28084 | 0.001 |
| Kilometer | km | Metric SI | 1000 | 1000000 | 39370.1 | 3280.84 | 1 |
| Inch | in | US / Imperial | 0.0254 | 25.4 | 1 | 0.0833333 | 0.0000254 |
| Foot | ft | US / Imperial | 0.3048 | 304.8 | 12 | 1 | 0.0003048 |
| Yard | yd | US / Imperial | 0.9144 | 914.4 | 36 | 3 | 0.0009144 |
| Mile | mi | US / Imperial | 1609.34 | 1609344 | 63360 | 5280 | 1.60934 |
| Nautical mile | nmi | Marine | 1852 | 1852000 | 72913.4 | 6076.12 | 1.852 |