Kilometers to Miles Conversion (km to mi)
Converting between kilometers (km) and miles is essential for international travel, automotive calculations, and athletic training. While kilometers are standard in the metric system, miles remain widely used in the United States and other countries using imperial units.
Key Conversion: 1 kilometer = 0.621371 miles
Our km to mile converter helps with:
- Quick km to mi calculations
- Road trip distance planning
- Running and cycling conversions
- International unit translation
Kilometers to Miles Converter
Type any value in kilometers to see miles equivalent (e.g., 5 km to mile = 3.10685 mi)
Kilometers to Miles Conversion Chart
Common kilometer to mile conversions:
| Kilometers (km) | Miles (mi) | Practical Example |
|---|---|---|
| 1 km | 0.62137 mi | 10-12 minute walk |
| 5 km | 3.10686 mi | 5K running race |
| 10 km | 6.21371 mi | 10K running race |
| 21.1 km | 13.1094 mi | Half marathon |
| 42.2 km | 26.2188 mi | Marathon distance |
Note: 1 mile = exactly 1.60934 kilometers (international standard)
How to Convert Kilometers to Miles Manually
Conversion Formula
1 kilometer = 0.621371 miles
miles = kilometers × 0.621371
This conversion works for all km to mi calculations, including "convert km to miles" in any context.
Step-by-Step Example
Start with kilometers value
Example: 10 kilometers to miles
Multiply by 0.621371
10 × 0.621371 = 6.21371
Result in miles
10 km = 6.21371 mi
Quick Estimation Method
For rough kilometers to miles conversions:
- Divide km by 8 and multiply by 5 (8 km ≈ 5 mi)
- 10 km ≈ 6.2 mi
- 100 km ≈ 62 mi
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