20 km to miles

"Kilometers to Miles" Calculator
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Km to Miles

How many miles is 20 km?

Answer

20 km ≈ 12.43 miles
kmmi0102005101520 km12.43 miles

20 km ÷ 1.609344 ≈ 12.43 miles

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FAQ

How many miles is 20 km?

20 km ≈ 12.43 miles

What is the formula to convert 20 km to miles?

Divide by 1.609344, the exact number of kilometers in an international mile: 20 ÷ 1.609344 ≈ 12.43 miles.

How do you convert 12.43 miles back to kilometers?

Multiply by the same factor: 12.43 × 1.609344 ≈ 20 km. The factor is exact by definition, so the round trip only loses the digits dropped by rounding.

Is this the statute mile or the nautical mile?

The statute (international) mile of exactly 1.609344 km — the one on road signs and race distances. A nautical mile is longer, 1.852 km, so 20 km expressed in nautical miles would come out about 13 % below the about 12.43 miles shown here.