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 31.7 kilometers per hour into miles per hour we have to multiply 31.7 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

31.7 km/h → V_(mph)

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

V_(mph) = 31.7 km/h × 0.62137119223783 mph

V_(mph) = 19.697466793939 mph

The final result is:

31.7 km/h → 19.697466793939 mph

We conclude that 31.7 kilometers per hour is equivalent to 19.697466793939 miles per hour:

31.7 kilometers per hour = 19.697466793939 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 0.050767949526773 × 31.7 kilometers per hour.

Another way is saying that 31.7 kilometers per hour is equal to 1 ÷ 0.050767949526773 miles per hour.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that thirty-one point seven kilometers per hour is approximately nineteen point six nine seven miles per hour:

31.7 km/h ≅ 19.697 mph

An alternative is also that one mile per hour is approximately zero point zero five one times thirty-one point seven 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