## 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 4 kilometers per hour into miles per hour we have to multiply 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

4 km/h → V(mph)

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

V(mph) = 4 km/h × 0.62137119223783 mph

V(mph) = 2.4854847689513 mph

The final result is:

4 km/h → 2.4854847689513 mph

We conclude that 4 kilometers per hour is equivalent to 2.4854847689513 miles per hour:

4 kilometers per hour = 2.4854847689513 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 0.40233599999968 × 4 kilometers per hour.

Another way is saying that 4 kilometers per hour is equal to 1 ÷ 0.40233599999968 miles per hour.

## Approximate result

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

4 km/h ≅ 2.485 mph

An alternative is also that one mile per hour is approximately zero point four zero two times 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

kilometers per hour (km/h) miles per hour (mph)
5 kilometers per hour 3.107 miles per hour
6 kilometers per hour 3.728 miles per hour
7 kilometers per hour 4.35 miles per hour
8 kilometers per hour 4.971 miles per hour
9 kilometers per hour 5.592 miles per hour
10 kilometers per hour 6.214 miles per hour
11 kilometers per hour 6.835 miles per hour
12 kilometers per hour 7.456 miles per hour
13 kilometers per hour 8.078 miles per hour
14 kilometers per hour 8.699 miles per hour