Miles to Kilometers
Convert miles to kilometers. 1 mile = 1.60934 km.
About This Calculator
Convert miles to kilometers. 1 mile = 1.60934 km. Use the calculator above for instant results.
Worked Examples
Example 1: 10 miles
- 10 × 1.60934 = 16.09 km
Answer: 16.09 km
Example 2: 26.2 miles (marathon)
- 26.2 × 1.60934 = 42.19 km
Answer: 42.19 km
Example 3: 1 mile
- 1.60934 km
Answer: 1.609 km
Who Uses This Calculator?
Drivers
US to metric speed/distance.
Runners
Race distance conversion.
Travelers
US to international road distances.
Students
Unit conversion for science.
Common Mistakes to Avoid
❌ Miles vs nautical miles
Statute mile = 1.609 km. Nautical mile = 1.852 km. Not the same!
❌ Rounded vs exact
1 mile = 1.60934 km exactly. Some use 1.6 for quick estimates — acceptable for rough calculations.
Frequently Asked Questions
Miles to km formula?
Multiply by 1.60934. 5 miles = 8.047 km.
Marathon distance?
26.219 miles = exactly 42.195 km.
US vs world on miles?
Only US, UK (for roads), and a few others use miles. Most of the world uses kilometers.