UnitConLength
Length measures distance from one point to another. The SI base unit of length is the meter, but people regularly convert between metric and imperial units such as feet, inches, miles, and yards. Length conversions are common in construction, navigation, science, sports, and daily life. This converter covers both everyday and specialized units, including nautical miles and light-years.
Common conversions
| From | To |
|---|---|
| 1 Mile | 1.609344 Kilometer |
| 1 Foot | 30.48 Centimeter |
| 1 Inch | 25.4 Millimeter |
| 1 Kilometer | 0.6213712 Mile |
| 1 Meter | 3.28084 Foot |
| 100 Yard | 91.44 Meter |
| 1 Nautical Mile | 1.852 Kilometer |
| 1 Light Year | 9,460,730,000,000 Kilometer |
Frequently asked questions
One meter equals 3.28084 feet. That conversion is widely used in construction, sports, and height comparisons between metric and imperial systems.
Multiply kilometers by 0.621371 to get miles. To go the other way, multiply miles by 1.60934 to get kilometers.
A nautical mile is based on Earth's geometry and is used in marine and air navigation. It is longer than a statute mile, with 1 nautical mile equal to 1.852 kilometers.
One inch equals 2.54 centimeters exactly. That exact definition is used internationally for manufacturing, design, and measurement tools.
In everyday and scientific use, units can extend to astronomical scales such as the light-year and parsec. On this converter, the light-year is the largest common reference unit listed for interest and scale.