Convert between different length units
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The Length Converter is a responsive web tool that instantly converts measurements between eight different units—millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles.This tool features real-time calculations, a swap function, conversion history, and a clean interface that works seamlessly across all devices. Perfect for students, professionals, and DIY enthusiasts, this tool delivers fast, accurate conversions with no setup required—just paste and use.
Enter a length value in the input field
Select the unit you’re converting FROM in the first dropdown
Select the unit you’re converting TO in the second dropdown
View the converted result instantly below
Click the swap button (↔) to reverse the conversion direction
Check the history section for your recent conversions
8 Unit Support – Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles
Real-Time Conversion – Results update instantly as you type or change units
Swap Functionality – One-click button to reverse conversion direction
Conversion History – Tracks your last 5 conversions with timestamps
Responsive Design – Works perfectly on desktop, tablet, and mobile devices
Smart Formatting – Automatically adjusts decimal places and uses scientific notation for very small/large numbers
The converter uses standard conversion factors with up to 8 decimal places for precision in calculations.
Meters to feet and centimeters to inches are among the most frequently used conversions globally.
Divide millimeters by 25.4 (since 1 inch = 25.4 mm). Our tool does this automatically.
Metric (mm, cm, m, km) uses decimal-based system; Imperial (in, ft, yd, mi) uses various fractions and multiples.
Approximately 2.54 centimeters equal 1 inch.
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