Convert km to miles
Please provide values below to convert kilometer [km] to mile [mi].
Kilometer (km)
A kilometer (km) is a unit of length or distance in the metric system. It is used worldwide as part of the International System of Units (SI). One kilometer is equivalent to 1,000 meters (m).
Conversion Kilometer to Other Units:
- 1 km = 1,000 meters
- 1 km = 0.621371 miles
- 1 mile = 1.60934 km
Where is Kilometer Used?
Kilometers are used in most countries to measure distances in road networks (e.g., between cities or towns), geographical distances, and travel. It is also used in sports like running, cycling, and race events.
Historical Origin of the Kilometer:
The kilometer was first introduced in 1795 in France as part of the metric system, which was created to standardize measurements in the country. It was based on the idea that the meter was the length of the Earth's meridian. The prefix “kilo” comes from the Greek word "khilioi," meaning "thousand," indicating that a kilometer is 1,000 meters.
Mile (mi)
A mile (mi) is a unit of length or distance used primarily in the imperial system. It is used in countries like the United States and the United Kingdom. One mile is defined as 1,609.34 meters or approximately 1.609 kilometers.
Conversion Mile to Other Units:
- 1 mile = 1,609.34 meters
- 1 mile = 1.60934 kilometers
- 1 km = 0.621371 miles
Where is the Mile Used?
Miles are used in countries like the United States, the UK, and some others that use the imperial system. It is common for measuring distances on highways, by foot for long-distance running (e.g., marathons), or even in nautical miles for maritime or air navigation.
Historical Origin of Mile:
The mile originated from the Roman unit of measurement, the "mille passus," meaning "thousand paces." It was standardized to 5,000 Roman feet, which was about 1,480 meters. Over time, the mile has undergone slight variations, but the modern mile used today in the United States and the UK is defined as 1,609.34 meters.
Kilometer to Mile Conversion Table
| Kilometer [km] | Mile [mi] |
|---|---|
| 0.01 km | 0.0062137119 mi |
| 0.1 km | 0.0621371192 mi |
| 1 km | 0.6213711922 mi |
| 2 km | 1.2427423845 mi |
| 3 km | 1.8641135767 mi |
| 4 km | 2.4854847689 mi |
| 5 km | 3.1068559612 mi |
| 6 km | 3.7282271534 mi |
| 7 km | 4.3495983457 mi |
| 8 km | 4.9709695379 mi |
| 9 km | 5.5923407301 mi |
| 10 km | 6.2137119224 mi |
| 20 km | 12.4274238447 mi |
| 50 km | 31.0685596119 mi |
| 100 km | 62.1371192237 mi |
| 1000 km | 621.3711922373 mi |
How to Convert Kilometer to Mile
1 km = 0.6213711922 mi
1 mi = 1.609344 km
Example: convert 15 km to mi:
15 km = 15 / 1.609344 mi = 9.3205678836 mi