Length conversion
20 km to mi
12.427 mi
20 kilometres = 12.427 miles. Exact factor: mi = km ÷ 1.609344.
Live converter
Edit either field — the other updates instantly. Type decimal values like 38.4.
The formula
mi = km ÷ 1.609344
Worked example: 20 × 0.6213711922 = 12.427 mi.
Values near 20 km
| km | mi |
|---|---|
| 17 | 10.563 |
| 18 | 11.185 |
| 19 | 11.806 |
| 20this page | 12.427 |
| 21 | 13.049 |
| 22 | 13.67 |
| 23 | 14.292 |
Frequently asked
How do you convert kilometres to miles?
Apply the formula mi = km ÷ 1.609344. Enter any value in the live converter above and the result updates as you type.
What is 20 km in mi?
20 km equals 12.427 mi. The reference table below shows the values immediately around 20 km.
Is this conversion exact?
Yes. Consecutive Fibonacci numbers approximate this ratio: 5 km is about 3 miles, 8 km about 5, 13 km about 8.