Length Converter

Free online length converter. Easily convert between meters, feet, inches, kilometers, miles, and more with our accurate and user-friendly tool.

Length

Convert between different units of measurement

About Length Conversion

Length conversion is the process of changing a measurement from one unit of length to another. The metric system uses meters as its base unit, while the imperial system uses feet and inches.

Common Length Units

  • Metric: Millimeter (mm), Centimeter (cm), Meter (m), Kilometer (km)
  • Imperial/US: Inch (in), Foot (ft), Yard (yd), Mile (mi)
  • Other: Nautical mile, Light-year, Angstrom

Conversion Formulas

  • 1 inch = 2.54 centimeters (exactly)
  • 1 foot = 0.3048 meters (exactly)
  • 1 meter = 3.28084 feet
  • 1 kilometer = 0.621371 miles
  • 1 mile = 1.60934 kilometers

Historical Context

Throughout history, length measurements varied widely between cultures. The metric system was established during the French Revolution to create a standardized measurement system. The imperial system evolved from various English units, and today most countries use the metric system officially, while the US still commonly uses the imperial system.

Common Length Conversions

  • 1 meter = 3.28084 feet
  • 1 inch = 2.54 centimeters
  • 1 mile = 1.60934 kilometers
  • 1 yard = 0.9144 meters
  • 1 foot = 12 inches

How to Use the Length Converter

  1. Choose your source and target length units from the dropdown menus.
  2. Enter the length value you want to convert in the input field.
  3. See your converted length value instantly displayed on screen.

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Frequently Asked Questions

How do I perform a quick length conversion?

Simply enter your value in the input field, select your source and target units from the dropdowns, and our converter will instantly show you the converted value.

Are the length conversions accurate?

Yes, our converter uses precise mathematical formulas for each conversion to ensure you get accurate results every time. Our calculations are based on internationally recognized standards.

Can I use this length converter offline?

Our converter is a web-based tool, but you can save our page for offline use in most browsers. For regular offline usage, we recommend installing our progressive web app by clicking "Add to Home Screen" in your browser menu.