Unit Converters
Length Converter
Convert length and distance between metric and imperial units — meters, feet, inches, centimeters, miles, and more.
3.28084
1 m = 3.28084 ft
1 m converts to
Millimeters1,000 mm
Centimeters100 cm
Kilometers0.001 km
Inches39.370079 in
Feet3.28084 ft
Yards1.093613 yd
Miles0.000621 mi
How the Length Converter works
Enter a value and choose the length units you're converting between — millimeters, centimeters, meters, kilometers, inches, feet, yards, or miles. Every unit converts through meters as a common base, using exact international conversion factors.
Need weight, temperature, or another unit type? The full unit converter covers those too.
Frequently asked questions
How many centimeters are in an inch?
1 inch equals exactly 2.54 centimeters.
How many feet are in a meter?
1 meter equals approximately 3.28084 feet.
How many meters are in a mile?
1 mile equals 1,609.344 meters, or about 1.609 kilometers.
Guides that cover this
Why Unit Conversion Still Trips Everyone Up (and How to Get It Right)A guide to the everyday unit conversions — length, weight, temperature, shoe and clothing sizes — that cause the most mistakes.Converting Meters, Feet, Inches, and Miles Without Rounding ErrorsHow to convert between common length units while minimizing the compounding rounding errors that come from multi-step conversions.Why Small Rounding Errors Compound in a Multi-Step Length ConversionA worked example showing how rounding at each step of a multi-step conversion produces a meaningfully different final result than converting directly.Metric vs. Imperial Length: Why Construction Still Uses Feet and InchesWhy the US construction industry continues to use feet and inches despite the general international shift to metric.How to Use the Length ConverterA quick walkthrough of converting instantly between meters, feet, inches, and miles.Length Converter: How It Works and How to Use ItA quick guide to the length converter — what it calculates, how the math works, and tips for getting an accurate result.