How to Convert Km to Miles

A mile is the standard unit of long-distance measurement in the US and has the equivalent measures of 5,280 feet and 1,760 yards. The kilometer is the international unit of long-distance measurement and is defined as 1,000 meters. Converting between kilometers and miles is necessary for gauging a country's respective distances and for understanding the differences between the metric and standard forms of measurement.

Things You'll Need

• Calculator

Instructions

1. Multiply the amount of kilometers by 0.621371192, which is the conversion constant for kilometers to miles. For example, 100 km multiplied by 0.621371192 results in 62.1371192 miles.

2. Divide meters by 1,000 to find their amount in kilometers, then multiply that amount by 0.621371192. For example, 12,000 meters divided by 1,000 equals 12 km. 12 multiplied by 0.621371192 equals 7.45645431 miles.

3. Multiply the amount of miles by 1.609344 to obtain the amount in kilometers. For example, 150 miles multiplied by 1.609344 would result in 241.4016 km.

References

• NODC: Unit Conversion Guide
• Easy Surf: Length Measure Conversion

Resources

• Metric Conversions: Kilometers to Miles