Math tool

Length Converter

Convert length and distance measurements across Metric and Imperial measurement standards.

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About Metric and Imperial Lengths

Standardizing length conversions ensures structural accuracy across civil engineering, international logistics, aviation, and scientific documentation.

International Yard and Pound Standard (1959)

By international treaty: 1 inch = exactly 2.54 centimeters, and 1 foot = 0.3048 meters.

Frequently Asked Questions

Why is the metric system decimal-based?

The metric system scales by factors of 10 (milli-, centi-, kilo-), simplifying arithmetic calculations and data conversions.

How many feet are in a mile?

One statute mile contains precisely 5,280 feet (1,760 yards).

What is the difference between a statute mile and nautical mile?

A statute mile is 5,280 feet (1,609.34 m). A nautical mile represents one minute of latitude arc: exactly 1,852 meters (6,076.12 ft).

How do you convert inches to centimeters manually?

Multiply the number of inches by 2.54.

How to use

Calculate in three steps

  1. 1
    Enter your valuesUse the fields above and check the units shown beside each input.
  2. 2
    Run the calculationSelect Calculate to refresh the result with your latest values.
  3. 3
    Review or shareCompare the result, reset the form, print it, or share this page.
Inputs

What you need

Length MeasurementValue
Source Measurement UnitValue