## 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 90 feet per second into miles per hour we have to multiply 90 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

90 ft/s → V(mph)

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

V(mph) = 90 ft/s × 0.68181818181818 mph

V(mph) = 61.363636363636 mph

The final result is:

90 ft/s → 61.363636363636 mph

We conclude that 90 feet per second is equivalent to 61.363636363636 miles per hour:

90 feet per second = 61.363636363636 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 0.016296296296296 × 90 feet per second.

Another way is saying that 90 feet per second is equal to 1 ÷ 0.016296296296296 miles per hour.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that ninety feet per second is approximately sixty-one point three six four miles per hour:

90 ft/s ≅ 61.364 mph

An alternative is also that one mile per hour is approximately zero point zero one six times ninety 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)
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
96 feet per second 65.455 miles per hour
97 feet per second 66.136 miles per hour
98 feet per second 66.818 miles per hour
99 feet per second 67.5 miles per hour
100 feet per second 68.182 miles per hour