Length Converter
Convert between different units of length and distance
Convert Length
Common Conversions
1 metre =
100 cm
1 metre =
3.28 ft
1 kilometre =
0.621 miles
1 inch =
2.54 cm
1 foot =
30.48 cm
1 mile =
1.609 km
Unit Categories
Metric Units
mm (millimetres), cm (centimetres), m (metres), km (kilometres)
Imperial Units
in (inches), ft (feet), yd (yards), mi (miles)
Nautical
nmi (nautical miles) - used in maritime and aviation
About Length Conversion
Metric System
The metric system is based on powers of 10, making conversions simple. It's used worldwide for scientific and everyday measurements.
Common Uses
- Construction: Building measurements and blueprints
- Sports: Track and field, swimming pool lengths
- Travel: Distance calculations and route planning
Imperial System
The imperial system is primarily used in the United States. It includes familiar units like feet, inches, and miles.
Precision Notes
- Results are rounded to reasonable precision
- Very small or large numbers use scientific notation
- Conversions are based on internationally accepted standards