Length and Distance Unit Converter
Convert between kilometer, meter, mile, light year and all other length and distance units. Use the tools below for fast and accurate length conversion calculations.
Length Calculation / Conversion
The fastest tool that allows you to easily calculate and convert between all length and distance units.
Meter (m) - Centimeter (cm) Conversions
Meter to centimeter conversion calculations
Kilometer (km) - Mile (mi) Conversions
Kilometer to mile conversion calculations
About Length and Distance Units
Length units are units used to measure the dimensions of objects and distances. Two main measurement systems are used worldwide: the Metric system and the Imperial system.
Metric System Length Units
- Meter (m): The base unit of length in the metric system.
- Kilometer (km): 1 kilometer = 1000 meters
- Centimeter (cm): 1 meter = 100 centimeters
- Millimeter (mm): 1 meter = 1000 millimeters
Imperial System Length Units
- Inch (in): Small length unit in the Imperial system.
- Foot (ft): 1 foot = 12 inches
- Yard (yd): 1 yard = 3 feet = 36 inches
- Mile (mi): 1 mile = 1760 yards = 5280 feet
Length Conversions
To convert between different length units, specific conversion factors are used. Some of the most common conversions include:
- 1 meter = 100 centimeters
- 1 kilometer = 1000 meters
- 1 mile = 1.60934 kilometers
- 1 meter = 39.3701 inches
- 1 foot = 30.48 centimeters
Special Length Units
In addition to standard units, there are special length units used in specific fields:
- Nautical Mile: 1 nautical mile = 1.852 kilometers (used in maritime and aviation)
- Light Year: Distance light travels in one year (used in astronomy)
- Astronomical Unit (AU): Average distance from Earth to Sun (used in astronomy)
- Angstrom: 1 angstrom = 0.1 nanometers (used in atomic physics)
Popular Length Conversions
Some of the most frequently searched length conversions include:
- How many cm equals 1 meter? (100 cm)
- How many meters equals 1 kilometer? (1000 m)
- How many kilometers equals 1 mile? (1.609 km)
- How many inches equals 1 meter? (39.37 in)
- How many feet equals 1 meter? (3.28 ft)
Usage Areas
Length conversions are used in many areas of daily life:
- Construction and Architecture: Building measurements, blueprint conversions
- Sports: Track lengths, swimming pool distances
- Travel: Distance calculations, GPS coordinates
- Science and Engineering: Technical measurements, research data
- International Trade: Shipping dimensions, packaging sizes
- Education: Mathematics and physics problems