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 25.4 kilometers per hour into miles per hour we have to multiply 25.4 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

25.4 km/h → V_(mph)

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

V_(mph) = 25.4 km/h × 0.62137119223783 mph

V_(mph) = 15.782828282841 mph

The final result is:

25.4 km/h → 15.782828282841 mph

We conclude that 25.4 kilometers per hour is equivalent to 15.782828282841 miles per hour:

25.4 kilometers per hour = 15.782828282841 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 0.063359999999949 × 25.4 kilometers per hour.

Another way is saying that 25.4 kilometers per hour is equal to 1 ÷ 0.063359999999949 miles per hour.

Approximate result

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

25.4 km/h ≅ 15.783 mph

An alternative is also that one mile per hour is approximately zero point zero six three times twenty-five point four 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