Length Unit Converter
Convert between millimeters (mm), centimeters (cm), meters (m), kilometers (km), inches (in), feet (ft), and yards (yd) instantly.
Understanding Length Units
Metric Length Units
The metric system uses units based on powers of 10, making conversions simple and intuitive:
- Millimeter (mm): 1/1000 of a meter, used for precision measurements
- Centimeter (cm): 1/100 of a meter, commonly used for everyday measurements
- Meter (m): The base unit of length in the metric system
- Kilometer (km): 1000 meters, used for measuring long distances
Imperial Length Units
The imperial system uses traditional units with varying conversion factors:
- Inch (in): The smallest common imperial unit of length
- Foot (ft): 12 inches, used for medium-scale measurements
- Yard (yd): 3 feet or 36 inches, used in fabric measurements and sports
Conversion Reference Table
Use this quick reference table for common length conversions:
| From | To Inches | To Centimeters | To Feet | To Meters |
|---|---|---|---|---|
| 1 inch | 1 | 2.54 | 0.0833 | 0.0254 |
| 1 centimeter | 0.3937 | 1 | 0.0328 | 0.01 |
| 1 foot | 12 | 30.48 | 1 | 0.3048 |
| 1 meter | 39.37 | 100 | 3.2808 | 1 |
| 1 yard | 36 | 91.44 | 3 | 0.9144 |
| 1 millimeter | 0.0394 | 0.1 | 0.0033 | 0.001 |
| 1 kilometer | 39370.1 | 100000 | 3280.84 | 1000 |
Popular Length Conversions
Why Use Half CM for Length Conversions?
Precision & Accuracy
Our conversion tool provides accurate results to multiple decimal places, ensuring precision for both everyday use and professional applications. Whether you're working on a DIY project, creating international shipping specifications, or working in fields like architecture or engineering, you can trust our conversions to be reliable.
Common Uses for Length Conversions
Length unit conversions are essential in many aspects of daily life and professional work:
- Construction & DIY: Converting between feet/inches and metric measurements for building projects
- Interior Design: Calculating room dimensions and furniture sizes across different measurement systems
- International Travel: Understanding distances, heights, and measurements in different countries
- Online Shopping: Converting clothing and shoe sizes between different regional standards
- Education: Helping students understand and practice unit conversions for mathematics and science