Common Race Distances: KM to Miles
| Race Name | Kilometers | Miles | Meters |
|---|---|---|---|
| 1K | 1 km | 0.62 miles | 1,000 m |
| 1 Mile | 1.609 km | 1 mile | 1,609 m |
| 3K | 3 km | 1.86 miles | 3,000 m |
| 5K | 5 km | 3.1 miles | 5,000 m |
| 8K | 8 km | 4.97 miles | 8,000 m |
| 10K | 10 km | 6.2 miles | 10,000 m |
| 15K | 15 km | 9.3 miles | 15,000 m |
| 10 Miles | 16.09 km | 10 miles | 16,093 m |
| 20K | 20 km | 12.4 miles | 20,000 m |
| Half Marathon | 21.0975 km | 13.1 miles | 21,097 m |
| 25K | 25 km | 15.5 miles | 25,000 m |
| 30K | 30 km | 18.6 miles | 30,000 m |
| Marathon | 42.195 km | 26.2 miles | 42,195 m |
| 50K Ultra | 50 km | 31.1 miles | 50,000 m |
| 50 Mile Ultra | 80.47 km | 50 miles | 80,467 m |
| 100K Ultra | 100 km | 62.1 miles | 100,000 m |
Quick KM to Miles Reference (1-50 km)
1-10 KM
1 km0.62 mi
2 km1.24 mi
3 km1.86 mi
4 km2.49 mi
5 km3.11 mi
6 km3.73 mi
7 km4.35 mi
8 km4.97 mi
9 km5.59 mi
10 km6.21 mi
11-20 KM
11 km6.84 mi
12 km7.46 mi
13 km8.08 mi
14 km8.70 mi
15 km9.32 mi
16 km9.94 mi
17 km10.56 mi
18 km11.18 mi
19 km11.81 mi
20 km12.43 mi
21-30 KM
21.1 km13.1 mi
22 km13.67 mi
23 km14.29 mi
24 km14.91 mi
25 km15.53 mi
26 km16.16 mi
27 km16.78 mi
28 km17.40 mi
29 km18.02 mi
30 km18.64 mi
KM to Miles Conversion Formula
KM to Miles
miles = km × 0.621371
Example: 10 km × 0.621371 = 6.21 miles
Miles to KM
km = miles × 1.60934
Example: 6.2 miles × 1.60934 = 9.98 km
Quick Mental Math Tip: To quickly estimate km to miles, multiply by 0.6. For miles to km, multiply by 1.6. These approximations are accurate within 3%.
Pace Conversion: Min/KM to Min/Mile
| Pace (min/km) | Pace (min/mile) | 5K Time | 10K Time | Half Marathon | Marathon |
|---|---|---|---|---|---|
| 4:00 | 6:26 | 20:00 | 40:00 | 1:24:23 | 2:48:46 |
| 4:30 | 7:14 | 22:30 | 45:00 | 1:34:55 | 3:09:50 |
| 5:00 | 8:03 | 25:00 | 50:00 | 1:45:29 | 3:30:58 |
| 5:30 | 8:51 | 27:30 | 55:00 | 1:56:02 | 3:52:04 |
| 6:00 | 9:39 | 30:00 | 1:00:00 | 2:06:35 | 4:13:10 |
| 6:30 | 10:28 | 32:30 | 1:05:00 | 2:17:08 | 4:34:16 |
| 7:00 | 11:16 | 35:00 | 1:10:00 | 2:27:41 | 4:55:22 |
| 7:30 | 12:04 | 37:30 | 1:15:00 | 2:38:14 | 5:16:28 |
| 8:00 | 12:53 | 40:00 | 1:20:00 | 2:48:47 | 5:37:34 |
Need Custom Conversions?
Use our free KM to Miles Calculator for instant conversions with pace and race time predictions.
Open KM to Miles CalculatorWhy KM to Miles Conversions Matter for Runners
Understanding distance conversions is essential for runners who train with international resources, travel for races, or use GPS watches that switch between metric and imperial units.
Common Scenarios Where You Need Conversions
- International Races: Most world major marathons display distances in kilometers on course markers
- Training Plans: European training programs often use metric distances
- GPS Watch Settings: Switching between km and miles when traveling
- Pace Comparisons: Comparing your pace to international runners or records
- Treadmill Calibration: Some treadmills only display in kilometers
Tips for Memorizing Key Conversions
- 5K = 3.1 miles: Think "5K starts with 3" (3.1)
- 10K = 6.2 miles: Double 3.1 to get 6.2
- Half Marathon = 13.1 miles: Easy to remember as "13.1"
- Marathon = 26.2 miles: Double 13.1 to get 26.2