## 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 85 feet per second into miles per hour we have to multiply 85 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

85 ft/s → V(mph)

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

V(mph) = 85 ft/s × 0.68181818181818 mph

V(mph) = 57.954545454545 mph

The final result is:

85 ft/s → 57.954545454545 mph

We conclude that 85 feet per second is equivalent to 57.954545454545 miles per hour:

85 feet per second = 57.954545454545 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 0.017254901960784 × 85 feet per second.

Another way is saying that 85 feet per second is equal to 1 ÷ 0.017254901960784 miles per hour.

## Approximate result

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

85 ft/s ≅ 57.955 mph

An alternative is also that one mile per hour is approximately zero point zero one seven times eighty-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)
86 feet per second 58.636 miles per hour
87 feet per second 59.318 miles per hour
88 feet per second 60 miles per hour
89 feet per second 60.682 miles per hour
90 feet per second 61.364 miles per hour
91 feet per second 62.045 miles per hour
92 feet per second 62.727 miles per hour
93 feet per second 63.409 miles per hour
94 feet per second 64.091 miles per hour
95 feet per second 64.773 miles per hour