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Length (Metric, Imperial) Conversion Calculator
This is a calculator to convert between metric and imperial lengths. Lengths are displayed as factors of one meter. This calculator can be used to instantly convert between different metric and imperial units.
| Unit | Symbol | Equivalent to "X" Meter(s) | Conversion |
|---|---|---|---|
| kilometer | km | 103 | |
| meter | m | 1 | |
| centimeter | cm | 10-2 | |
| millimeter | mm | 10-3 | |
| micrometer | µm | 10-6 | |
| nanometer | nm | 10-9 | |
| picometer | pm | 10-12 | |
| femtometer | fm | 10-15 | |
| inch | in | 1 / 39.37 | |
| feet | ft | 1 / 3.28 | |
| yard | yd | 1 / 1.09 | |
| mile | mi | 1609.34 |
Feedback
Have a question or a feature request about this tool? Feel free to reach out to us and let us know! We're always looking for ways to improve!
References
This online resource may be cited as follows
MLA | "Quest Calculate™ Length (Metric, Imperial) Conversion Calculator." AAT Bioquest, Inc., 9 Nov. 2025, https://www.aatbio.com/tools/quick-calculator/length-unit-calculator. | |
APA | AAT Bioquest, Inc. (2025, November 9). Quest Calculate™ Length (Metric, Imperial) Conversion Calculator. AAT Bioquest. https://www.aatbio.com/tools/quick-calculator/length-unit-calculator. | |
| BibTeX | EndNote | RefMan |