Length Converter

Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, miles, and more instantly.

Common Length Conversions
FromToMultiply by
MeterFoot3.28084
MeterInch39.3701
KilometerMile0.621371
MileKilometer1.60934
FootCentimeter30.48
InchCentimeter2.54
YardMeter0.9144
Nautical MileKilometer1.852

Frequently Asked Questions

One meter equals exactly 3.28084 feet (or 3 feet and 3.37 inches). The meter is the SI base unit of length. One foot is defined as exactly 0.3048 meters.

One mile equals 1.60934 kilometers. Conversely, one kilometer equals approximately 0.621371 miles. The mile is used primarily in the United States and United Kingdom for road distances.

A nautical mile is 1,852 meters (1.852 km). It is based on the circumference of the Earth and equals one minute of arc of latitude. It is used in aviation and maritime navigation worldwide.

There are exactly 12 inches in a foot. One inch equals 2.54 centimeters exactly (defined since 1959). One foot therefore equals 30.48 centimeters.

How It Works

Enter a Value

Type any number in the value field. Decimals and very large or small numbers are supported.

Select Units

Choose the source and target units from the dropdowns. Use Swap to reverse the direction instantly.

Get Instant Result

The result updates in real-time as you type. All conversions use precise, industry-standard factors.

Common Use Cases

Home Improvement

Convert room dimensions between metric and imperial when working with international floor plans, furniture specs, or building materials.

Travel & Navigation

Convert road distances from miles to kilometers when traveling between countries that use different measurement systems.

Education & Science

Convert between SI and imperial units for physics, engineering, and science homework or lab reports.

E-commerce

Convert product dimensions when listing items for international markets or comparing measurements from overseas suppliers.

Aviation & Maritime

Convert altitudes, distances, and runway lengths between feet, meters, and nautical miles as used in aviation and maritime contexts.

Sports & Fitness

Convert race distances (5K, 10K, marathon) between kilometers and miles for training plans and event registrations.

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