Common Conversions
Quick Reference — Length
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About Unit Conversion
Unit conversion is the process of converting a measurement from one unit to another while maintaining the same quantity. Our free online unit converter supports all major measurement systems including the International System of Units (SI), the Imperial system, and the US customary system.
Whether you need to convert meters to feet, Celsius to Fahrenheit, kilograms to pounds, or liters to gallons — UnitConvert.net provides instant, accurate results. All conversions are performed in real-time using precise conversion factors.
How to Use the Converter
1. Select a category tab (Length, Temperature, Area, etc.). 2. Enter your value in the From field. 3. Select the source unit from the left list. 4. Select the target unit from the right list. 5. The result appears instantly. Use the ⇄ button to swap units.