20 km in miles
20 km is 12.427 miles. That is also 21,872.3 yards, or 20,000 metres.
Factors from their legal definitions.
Show the workings
| Step | Sum | Answer |
|---|---|---|
| One kilometre in metres | 1,000 metres | 1,000 m |
| One mile in metres | 1760 × 0.9144 m | 1,609.344 m |
| 20 kilometres in metres | 20 × 1,000 | 20,000 m |
| In miles | 20,000 ÷ 1,609.3 | 12 miles |
Where the figures come from
- A yard in metres: 0.914 m per yard. Source: Weights and Measures Act 1985, Schedule 1. Checked 13 November 2026.
- Yards in a mile: 1,760 yards per mile. Source: Weights and Measures Act 1985, Schedule 1. Checked 13 November 2026.
Nearby values
| Kilometres | Miles |
|---|---|
| 8 km | 4.971 miles |
| 9 km | 5.592 miles |
| 10 km | 6.214 miles |
| 12 km | 7.456 miles |
| 15 km | 9.321 miles |
| 20 km | 12.427 miles |
| 21 km | 13.049 miles |
| 25 km | 15.534 miles |
| 30 km | 18.641 miles |
| 40 km | 24.855 miles |
| 42 km | 26.098 miles |
How it works
To convert kilometres to miles, divide by 1.609. Open "Show the workings" above to see this sum step by step.