## 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 78.1 feet per second into miles per hour we have to multiply 78.1 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

78.1 ft/s → V(mph)

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

V(mph) = 78.1 ft/s × 0.68181818181818 mph

V(mph) = 53.25 mph

The final result is:

78.1 ft/s → 53.25 mph

We conclude that 78.1 feet per second is equivalent to 53.25 miles per hour:

78.1 feet per second = 53.25 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 0.018779342723005 × 78.1 feet per second.

Another way is saying that 78.1 feet per second is equal to 1 ÷ 0.018779342723005 miles per hour.

## Approximate result

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

78.1 ft/s ≅ 53.25 mph

An alternative is also that one mile per hour is approximately zero point zero one nine times seventy-eight point one 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)
79.1 feet per second 53.932 miles per hour
80.1 feet per second 54.614 miles per hour
81.1 feet per second 55.295 miles per hour
82.1 feet per second 55.977 miles per hour
83.1 feet per second 56.659 miles per hour
84.1 feet per second 57.341 miles per hour
85.1 feet per second 58.023 miles per hour
86.1 feet per second 58.705 miles per hour
87.1 feet per second 59.386 miles per hour
88.1 feet per second 60.068 miles per hour