Kilometers to Miles Converter
Convert kilometers (km) to miles (mi) instantly. Perfect for US travelers, international distances, and speed conversions.
1000 meters = 1 km
Common in US for long distance
Quick Conversion Formulas
Common Length Reference Points
Credit Card Width
3.375 inches / 8.57 cm
Average Human Height
5.5-6 feet / 167-183 cm
Football Field
100 yards / 300 feet / 91.4 m
Marathon Distance
26.2 miles / 42.195 km
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Kilometers to Miles Formula
miles = km ÷ 1.60934
How to convert kilometers to miles:
- Take the number of kilometers
- Divide by 1.60934 (or multiply by 0.621371)
- The result is the distance in miles
Example:
Convert 10 km to miles:
miles = 10 ÷ 1.60934 = 6.21 miles
⚠️ Important Disclaimer
This tool provides estimates for informational purposes only. Results should not be relied upon for important decisions. Always consult with a qualified professional for advice specific to your situation.
Kilometers to Miles Conversion Table
| Kilometers (km) | Miles (mi) | Context |
|---|---|---|
| 1 km | 0.621 mi | Basic conversion |
| 5 km | 3.107 mi | 5K race (~3.1 miles) |
| 10 km | 6.214 mi | 10K race |
| 21.1 km | 13.1 mi | Half marathon |
| 42.195 km | 26.2 mi | Full marathon |
| 50 km | 31.069 mi | Ultramarathon |
| 100 km | 62.137 mi | Century ride/run |
| 160 km | 99.419 mi | ~100 miles |
| 500 km | 310.686 mi | Long distance drive |
| 1,000 km | 621.371 mi | Cross-country trip |
Understanding km/h to mph
Speed Limit Conversions
50 km/h
31 mph
80 km/h
50 mph
100 km/h
62 mph
110 km/h
68 mph
120 km/h
75 mph
130 km/h
81 mph
When traveling internationally, understanding km/h to mph conversions is crucial. Most countries use kilometers per hour for speed limits, while the US uses miles per hour. A general rule: 100 km/h ≈ 62 mph.
Frequently Asked Questions
How many miles are in 1 kilometer?
1 kilometer equals 0.621371 miles. For quick estimates, you can use 0.6 miles per kilometer.
How do I convert km to miles quickly?
Multiply the kilometers by 0.6 for a close approximation. For example, 100 km × 0.6 = 60 miles (actual: 62.14 miles). Or divide by 1.6.
What is 100 km/h in mph?
100 km/h equals approximately 62 mph. This is a common highway speed limit in many countries outside the US.
How many miles is a 5K race?
A 5K race (5 kilometers) is 3.1 miles. Similarly, a 10K is 6.2 miles, and a marathon (42.195 km) is 26.2 miles.