## Conversion formula

The conversion factor from kilometers per hour to miles per hour is 0.62137119223783, which means that 1 kilometer per hour is equal to 0.62137119223783 miles per hour:

1 km/h = 0.62137119223783 mph

To convert 20 kilometers per hour into miles per hour we have to multiply 20 by the conversion factor in order to get the velocity amount from kilometers per hour to miles per hour. We can also form a simple proportion to calculate the result:

1 km/h → 0.62137119223783 mph

20 km/h → V(mph)

Solve the above proportion to obtain the velocity V in miles per hour:

V(mph) = 20 km/h × 0.62137119223783 mph

V(mph) = 12.427423844757 mph

The final result is:

20 km/h → 12.427423844757 mph

We conclude that 20 kilometers per hour is equivalent to 12.427423844757 miles per hour:

20 kilometers per hour = 12.427423844757 miles per hour

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 mile per hour is equal to 0.080467199999936 × 20 kilometers per hour.

Another way is saying that 20 kilometers per hour is equal to 1 ÷ 0.080467199999936 miles per hour.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that twenty kilometers per hour is approximately twelve point four two seven miles per hour:

20 km/h ≅ 12.427 mph

An alternative is also that one mile per hour is approximately zero point zero eight times twenty kilometers per hour.

## Conversion table

### kilometers per hour to miles per hour chart

For quick reference purposes, below is the conversion table you can use to convert from kilometers per hour to miles per hour

kilometers per hour (km/h) miles per hour (mph)
21 kilometers per hour 13.049 miles per hour
22 kilometers per hour 13.67 miles per hour
23 kilometers per hour 14.292 miles per hour
24 kilometers per hour 14.913 miles per hour
25 kilometers per hour 15.534 miles per hour
26 kilometers per hour 16.156 miles per hour
27 kilometers per hour 16.777 miles per hour
28 kilometers per hour 17.398 miles per hour
29 kilometers per hour 18.02 miles per hour
30 kilometers per hour 18.641 miles per hour