Length Converter

Use this tool to convert between different units of length, such as meters, feet, inches, and more.

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Common Length Conversions

cm to inches cm → in
mm to inches mm → in
meters to feet m → ft
km to miles km → mi

What is Length Conversion?

Length conversion is the process of converting measurements from one unit to another. Our length converter tool makes it easy to switch between metric and imperial systems, supporting both common units like meters, feet, inches, and kilometers, as well as specialized units used in construction, engineering, and scientific applications.

The metric system (SI units) is based on the meter and includes units like kilometers, centimeters, and millimeters. The imperial system, primarily used in the United States, includes feet, inches, yards, and miles. Quick conversion between these systems is essential for international trade, construction projects, scientific research, and everyday measurements.

Simply enter your value in the "From" field, select the original unit, choose your target unit in the "To" field, and the converter will instantly display the converted result along with the conversion formula.

Length Conversion Examples

Construction Project Example

A construction blueprint shows dimensions in feet and inches. Converting to meters:

  • 12 feet = 3.658 meters
  • 6 inches = 0.152 meters
  • 100 feet = 30.48 meters

International Shipping Example

Package dimensions need conversion from centimeters to inches:

  • 30 cm × 40 cm × 50 cm = 11.8" × 15.7" × 19.7"
  • 100 cm = 39.37 inches

Sports and Fitness Example

Converting track distances:

  • 400 meters = 1,312.34 feet
  • 1 mile = 1,609.34 meters
  • 5 kilometers = 3.11 miles

Frequently Asked Questions

How many centimeters are in an inch?

One inch equals exactly 2.54 centimeters. This is a standard conversion used worldwide for precise measurements.

What is the difference between meters and yards?

One meter equals 1.0936 yards. Meters are part of the metric system used globally, while yards are part of the imperial system primarily used in the United States.

How do I convert kilometers to miles?

To convert kilometers to miles, multiply the kilometer value by 0.621371. For example, 10 km × 0.621371 = 6.21371 miles.

How many feet are in a meter?

One meter equals approximately 3.28084 feet. This conversion is commonly used in construction, engineering, and everyday measurements.

What is the formula for converting millimeters to inches?

To convert millimeters to inches, divide the millimeter value by 25.4. For example, 25.4 mm ÷ 25.4 = 1 inch.