Kilometers to Miles Conversion Table (km to mi)
Quick reference for km to mi conversion. Use this table to convert kilometers to miles fast for common values like 1 km, 5 km, and 42.195 km. The kilometers to miles formula is mi = km × 0.6213711922.
| Kilometers (km) | Miles (mi) | Context |
|---|---|---|
| 0.1 km | 0.062137 mi | Very short distance |
| 0.5 km | 0.310686 mi | Half kilometer |
| 1 km | 0.621371 mi | Exactly 1 kilometer |
| 2 km | 1.242742 mi | 2K distance |
| 3 km | 1.864114 mi | Common run distance |
| 5 km | 3.106856 mi | 5K run |
| 10 km | 6.213712 mi | 10K run |
| 21.0975 km | 13.1094 mi | Half marathon distance |
| 42.195 km | 26.218757 mi | Marathon distance |
| 100 km | 62.137119 mi | Long trip distance |
The Kilometers to Miles Formula (km to mi)
To convert kilometers to miles, multiply the kilometer value by 0.6213711922. This works because 1 km = 0.6213711922 mi (approximately).
Worked Examples (Convert km to mi)
How to Convert Kilometers to Miles
Take the value in kilometers, multiply by 0.6213711922, and the result is in miles.
Reverse Formula (Miles to Kilometers)
Use our Miles to Kilometers Converter → for the reverse operation.
How to Convert km to mi — Step by Step (km to mi)
About Kilometers and Miles
Kilometers (km) are the standard metric unit for longer distances worldwide, while miles (mi) are commonly used in the United States and a few other places. The relationship is based on the exact definition: 1 mile = 1.609344 km.
Key Reference Points
| Distance | Kilometers (km) | Miles (mi) | Context |
|---|---|---|---|
| 1 kilometer | 1 km | 0.621371 mi | Quick reference |
| 5K run | 5 km | 3.106856 mi | Common race distance |
| Half marathon | 21.0975 km | 13.1094 mi | Race distance |
| Marathon | 42.195 km | 26.218757 mi | Standard marathon distance |
Kilometers to Miles Conversion Chart (km to mi)
Quick reference for km to mi conversion. Use the calculator above to convert any value instantly.
Frequently Asked Questions
mi = km × 0.6213711922. Multiply kilometers by
0.6213711922 to get miles.
0.6213711922: mi = km × 0.6213711922.
1 × 0.6213711922 = 0.6213711922 mi.
5 × 0.6213711922 = 3.106855961 mi.
42.195 × 0.6213711922 ≈ 26.218757 mi.
1 km ≈ 0.621371 mi.1 mi = 1.609344 km.