Unit Converter

Convert measurements between units of length, weight, volume, temperature, area, speed, time, data storage, pressure, and energy. Instant results.

Quick Answer

A unit converter changes a measurement from one unit to another, such as inches to centimeters, pounds to kilograms, Fahrenheit to Celsius, or miles to kilometers.

How to Use This Calculator

  1. 1

    Select a category (Length, Weight, Temperature, etc.).

  2. 2

    Enter your value in the input field.

  3. 3

    Choose the 'From' unit from the dropdown.

  4. 4

    Choose the 'To' unit from the second dropdown.

  5. 5

    The result appears instantly. Use the ⇄ swap button to reverse the conversion.

Frequently Asked Questions

Select 'Length' category, set 'From' to Inches (in) and 'To' to Centimeters (cm). Enter the number of inches. 1 inch = 2.54 centimeters.

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Last updated: June 2026