## 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 80.8 feet per second into miles per hour we have to multiply 80.8 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

80.8 ft/s → V(mph)

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

V(mph) = 80.8 ft/s × 0.68181818181818 mph

V(mph) = 55.090909090909 mph

The final result is:

80.8 ft/s → 55.090909090909 mph

We conclude that 80.8 feet per second is equivalent to 55.090909090909 miles per hour:

80.8 feet per second = 55.090909090909 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 0.018151815181518 × 80.8 feet per second.

Another way is saying that 80.8 feet per second is equal to 1 ÷ 0.018151815181518 miles per hour.

## Approximate result

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

80.8 ft/s ≅ 55.091 mph

An alternative is also that one mile per hour is approximately zero point zero one eight times eighty point eight 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)
81.8 feet per second 55.773 miles per hour
82.8 feet per second 56.455 miles per hour
83.8 feet per second 57.136 miles per hour
84.8 feet per second 57.818 miles per hour
85.8 feet per second 58.5 miles per hour
86.8 feet per second 59.182 miles per hour
87.8 feet per second 59.864 miles per hour
88.8 feet per second 60.545 miles per hour
89.8 feet per second 61.227 miles per hour
90.8 feet per second 61.909 miles per hour