Length Converter
Convert between meters, feet, inches, miles, km and more.
What is a Length Converter?
A length converter converts measurements between different units of length. The two main systems are the metric system (meters, kilometers, centimeters, millimeters) used in most of the world, and the imperial system (feet, inches, yards, miles) used primarily in the United States and United Kingdom.
How to Use This Tool
- Enter a numeric value in any unit field.
- All other unit fields update automatically in real time.
- Use the result for construction, travel, science, or everyday calculations.
Common Length Conversions
1 inch = 2.54 centimeters. 1 foot = 30.48 centimeters. 1 yard = 0.9144 meters. 1 mile = 1.60934 kilometers. 1 kilometer = 0.621371 miles. 1 nautical mile = 1.852 kilometers.
Tips
- For construction projects, double-check unit conventions used in your local building codes.
- The nautical mile is used in aviation and maritime navigation.
Frequently Asked Questions
How many centimeters are in an inch?
Exactly 2.54 centimeters. This is a defined constant — not an approximation.
What is the difference between a US mile and a nautical mile?
A statute (US) mile is 1,609.34 meters. A nautical mile is 1,852 meters, based on one minute of arc of latitude.
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**Disclaimer:** All conversions happen in your browser. Files and data are not uploaded to any server. Conversion results are calculated using standard formulas — verify critical calculations with authoritative sources.