## 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 0.9 kilometers per hour into miles per hour we have to multiply 0.9 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

0.9 km/h → V(mph)

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

V(mph) = 0.9 km/h × 0.62137119223783 mph

V(mph) = 0.55923407301405 mph

The final result is:

0.9 km/h → 0.55923407301405 mph

We conclude that 0.9 kilometers per hour is equivalent to 0.55923407301405 miles per hour:

0.9 kilometers per hour = 0.55923407301405 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 1.7881599999986 × 0.9 kilometers per hour.

Another way is saying that 0.9 kilometers per hour is equal to 1 ÷ 1.7881599999986 miles per hour.

## Approximate result

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

0.9 km/h ≅ 0.559 mph

An alternative is also that one mile per hour is approximately one point seven eight eight times zero point nine 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)
1.9 kilometers per hour 1.181 miles per hour
2.9 kilometers per hour 1.802 miles per hour
3.9 kilometers per hour 2.423 miles per hour
4.9 kilometers per hour 3.045 miles per hour
5.9 kilometers per hour 3.666 miles per hour
6.9 kilometers per hour 4.287 miles per hour
7.9 kilometers per hour 4.909 miles per hour
8.9 kilometers per hour 5.53 miles per hour
9.9 kilometers per hour 6.152 miles per hour
10.9 kilometers per hour 6.773 miles per hour