## 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 109 kilometers per hour into miles per hour we have to multiply 109 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

109 km/h → V(mph)

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

V(mph) = 109 km/h × 0.62137119223783 mph

V(mph) = 67.729459953924 mph

The final result is:

109 km/h → 67.729459953924 mph

We conclude that 109 kilometers per hour is equivalent to 67.729459953924 miles per hour:

109 kilometers per hour = 67.729459953924 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 0.014764623853199 × 109 kilometers per hour.

Another way is saying that 109 kilometers per hour is equal to 1 ÷ 0.014764623853199 miles per hour.

## Approximate result

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

109 km/h ≅ 67.729 mph

An alternative is also that one mile per hour is approximately zero point zero one five times one hundred 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)
110 kilometers per hour 68.351 miles per hour
111 kilometers per hour 68.972 miles per hour
112 kilometers per hour 69.594 miles per hour
113 kilometers per hour 70.215 miles per hour
114 kilometers per hour 70.836 miles per hour
115 kilometers per hour 71.458 miles per hour
116 kilometers per hour 72.079 miles per hour
117 kilometers per hour 72.7 miles per hour
118 kilometers per hour 73.322 miles per hour
119 kilometers per hour 73.943 miles per hour