## 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 5.7 feet per second into miles per hour we have to multiply 5.7 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

5.7 ft/s → V(mph)

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

V(mph) = 5.7 ft/s × 0.68181818181818 mph

V(mph) = 3.8863636363636 mph

The final result is:

5.7 ft/s → 3.8863636363636 mph

We conclude that 5.7 feet per second is equivalent to 3.8863636363636 miles per hour:

5.7 feet per second = 3.8863636363636 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 0.25730994152047 × 5.7 feet per second.

Another way is saying that 5.7 feet per second is equal to 1 ÷ 0.25730994152047 miles per hour.

## Approximate result

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

5.7 ft/s ≅ 3.886 mph

An alternative is also that one mile per hour is approximately zero point two five seven times five point seven 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)
6.7 feet per second 4.568 miles per hour
7.7 feet per second 5.25 miles per hour
8.7 feet per second 5.932 miles per hour
9.7 feet per second 6.614 miles per hour
10.7 feet per second 7.295 miles per hour
11.7 feet per second 7.977 miles per hour
12.7 feet per second 8.659 miles per hour
13.7 feet per second 9.341 miles per hour
14.7 feet per second 10.023 miles per hour
15.7 feet per second 10.705 miles per hour