Length Converter — Convert Length & Distance Units
Convert length and distance units — meters, kilometers, miles, feet, inches, centimeters, yards, and more.
🔄 Unit Converters
✅ Free
By SwiftCalcTools Editorial Team · Formula verified
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How to Use Length Converter
- 1Enter the required values in the input fields above.
- 2Click the Calculate button or results update instantly as you type.
- 3View your results in the output panel below the inputs.
- 4Adjust any values to recalculate instantly.
Frequently Asked Questions
1 metre = 3.28084 feet (or 3 feet 3.37 inches). 1 foot = 0.3048 metres (exactly, by definition). This is the international foot — the US survey foot (0.3048006 m) is slightly different but rarely used today.
1 inch = 2.54 centimetres (exactly). Multiply inches by 2.54 to get cm. Example: 5 ft 10 in = 70 inches = 70 × 2.54 = 177.8 cm. To go the other way: divide cm by 2.54 to get inches.
1 kilometre = 0.621371 miles. 1 mile = 1.60934 km. A quick approximation: 1 km ≈ 0.6 miles (5/8 mile). So 10 km ≈ 6 miles. The London Marathon (42.195 km) is 26.22 miles.
1 nautical mile = 1,852 metres (exactly). It is defined as one minute of arc of latitude along a meridian. Used in aviation and maritime navigation. 1 nautical mile per hour = 1 knot. A nautical mile is about 15% longer than a statute (land) mile (1.1508 miles).