Length Converter

Convert between meters, kilometers, miles, feet, inches, yards, and nautical miles with instant results.

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Conversion Reference

1 km = 0.621371 mi
1 mi = 1.60934 km
1 m = 3.28084 ft
1 ft = 0.3048 m
1 in = 2.54 cm
1 yd = 0.9144 m
1 nmi = 1.15078 mi
1 km = 1000 m

What is Length Conversion?

Length conversion allows you to convert between different units of distance and length. The most commonly used units include meters (the SI base unit), kilometers, miles, feet, inches, yards, and nautical miles.

This tool features:

  • Seven length units — Meters, kilometers, miles, feet, inches, yards, and nautical miles.
  • Instant conversion — Results update in real-time as you type.
  • Conversion reference — Quick reference table for common conversions.
  • Bidirectional — Enter any value and all others update automatically.

How to Use

  1. Enter a length — Type a value in any of the seven length fields.
  2. View converted values — All other fields update automatically with the converted values.
  3. Check the reference — The conversion reference section shows common conversion factors.

Frequently Asked Questions

How do I convert meters to feet?

Multiply the meter value by 3.28084. For example, 10 m × 3.28084 = 32.8084 ft.

What is a nautical mile used for?

A nautical mile is used in maritime and aviation navigation. It is based on the circumference of the Earth and equals exactly 1,852 meters.

How many inches are in a foot?

There are exactly 12 inches in one foot. This is part of the imperial system of measurement.

Is this tool free to use?

Yes. All processing happens entirely in your browser. No data is sent to any server.