Free Length Converter - Meters, Feet, Inches, Miles
Convert between metric and imperial length units instantly. Our length converter handles kilometers, meters, centimeters, millimeters, miles, yards, feet, and inches.
Features of Our Length Converter
- All major units - 8 length units supported
- Instant conversion - All conversions shown at once
- Click to copy - Easy one-click copying
- Precise decimals - Accurate to many decimal places
- Scientific notation - For very large or small values
- Mobile friendly - Works on any device
Supported Units
Metric Units
| Unit | Symbol | In Meters |
|---|---|---|
| Kilometer | km | 1,000 m |
| Meter | m | 1 m |
| Centimeter | cm | 0.01 m |
| Millimeter | mm | 0.001 m |
Imperial Units
| Unit | Symbol | In Meters |
|---|---|---|
| Mile | mi | 1,609.344 m |
| Yard | yd | 0.9144 m |
| Foot | ft | 0.3048 m |
| Inch | in | 0.0254 m |
Common Length Conversions
| Conversion | Formula |
|---|---|
| Inches to cm | inches × 2.54 |
| Feet to meters | feet × 0.3048 |
| Miles to km | miles × 1.609344 |
| Meters to feet | meters × 3.28084 |
| Km to miles | km × 0.621371 |
Quick Reference
| Metric | Imperial (approx) |
|---|---|
| 1 cm | ~0.4 inches |
| 1 meter | ~3.3 feet |
| 1 kilometer | ~0.6 miles |
| 2.54 cm | 1 inch (exact) |
| 30.48 cm | 1 foot (exact) |
| 1.609 km | 1 mile |
How to Use
- Enter a value in any unit
- Select the unit you're converting from
- View all conversions at once
- Click any result to copy it
FAQs About Length Conversion
How many centimeters are in an inch?
Exactly 2.54 centimeters equal 1 inch. This is an exact definition.
How do I convert feet and inches to centimeters?
Convert feet to inches (multiply by 12), add the remaining inches, then multiply total inches by 2.54.
What's the difference between nautical miles and regular miles?
A nautical mile is 1,852 meters, used in marine and air navigation. A statute mile is 1,609.344 meters.
Why does the US use different units?
Historical reasons. The US inherited the British Imperial system but has gradually adopted some metric units for science and trade.
Use Cases for Length Conversion
- International recipes - Convert ingredient sizes
- DIY projects - Convert between metric and imperial tools
- Travel - Understand distances in other countries
- Manufacturing - Convert between specifications
- Science - Convert to metric for calculations
- Sports - Track and field measurements
Why Use Our Length Converter?
- 100% free - No registration required
- All units at once - See every conversion
- Accurate - Uses official conversion factors
- Easy to use - Simple, clean interface
- Works offline - After initial page load
- Mobile responsive - Use on any device