## Conversion formula

The conversion factor from feet per second to miles per hour is 0.68181818181818, which means that 1 foot per second is equal to 0.68181818181818 miles per hour:

1 ft/s = 0.68181818181818 mph

To convert 28.5 feet per second into miles per hour we have to multiply 28.5 by the conversion factor in order to get the velocity amount from feet per second to miles per hour. We can also form a simple proportion to calculate the result:

1 ft/s → 0.68181818181818 mph

28.5 ft/s → V(mph)

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

V(mph) = 28.5 ft/s × 0.68181818181818 mph

V(mph) = 19.431818181818 mph

The final result is:

28.5 ft/s → 19.431818181818 mph

We conclude that 28.5 feet per second is equivalent to 19.431818181818 miles per hour:

28.5 feet per second = 19.431818181818 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 0.051461988304094 × 28.5 feet per second.

Another way is saying that 28.5 feet per second is equal to 1 ÷ 0.051461988304094 miles per hour.

## Approximate result

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

28.5 ft/s ≅ 19.432 mph

An alternative is also that one mile per hour is approximately zero point zero five one times twenty-eight point five feet per second.

## Conversion table

### feet per second to miles per hour chart

For quick reference purposes, below is the conversion table you can use to convert from feet per second to miles per hour

feet per second (ft/s) miles per hour (mph)
29.5 feet per second 20.114 miles per hour
30.5 feet per second 20.795 miles per hour
31.5 feet per second 21.477 miles per hour
32.5 feet per second 22.159 miles per hour
33.5 feet per second 22.841 miles per hour
34.5 feet per second 23.523 miles per hour
35.5 feet per second 24.205 miles per hour
36.5 feet per second 24.886 miles per hour
37.5 feet per second 25.568 miles per hour
38.5 feet per second 26.25 miles per hour