Length/Distance Converter

Convert length and distance between metric and imperial units. Perfect for construction, travel, and everyday measurements.

From
Enter length value
To
Converted value
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About Length Conversion

Length is a measure of distance. It is one of the fundamental quantities in the International System of Units (SI) and is measured in meters.

Common Length Units

Metric System

  • Millimeter (mm) - One thousandth of a meter (0.001 m)
  • Centimeter (cm) - One hundredth of a meter (0.01 m)
  • Meter (m) - The SI base unit of length
  • Kilometer (km) - One thousand meters (1,000 m)

Imperial/US System

  • Inch (in) - 1/12 of a foot, equals 2.54 cm
  • Foot (ft) - 12 inches, equals 0.3048 m
  • Yard (yd) - 3 feet, equals 0.9144 m
  • Mile (mi) - 5,280 feet, equals 1.609 km

Marine

  • Nautical Mile (nmi) - Equals 1,852 m, used in maritime and aviation

Quick Reference

  • 1 inch = 2.54 centimeters
  • 1 foot = 30.48 centimeters
  • 1 yard = 0.9144 meters
  • 1 mile = 1.609 kilometers
  • 1 kilometer = 0.621 miles

Common Uses

  • Construction & Engineering - Feet, inches, meters
  • Road Distance - Miles or kilometers
  • Height Measurement - Feet/inches or centimeters
  • Athletics - Meters and kilometers