## 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 42.5 feet per second into miles per hour we have to multiply 42.5 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

42.5 ft/s → V(mph)

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

V(mph) = 42.5 ft/s × 0.68181818181818 mph

V(mph) = 28.977272727273 mph

The final result is:

42.5 ft/s → 28.977272727273 mph

We conclude that 42.5 feet per second is equivalent to 28.977272727273 miles per hour:

42.5 feet per second = 28.977272727273 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 0.034509803921569 × 42.5 feet per second.

Another way is saying that 42.5 feet per second is equal to 1 ÷ 0.034509803921569 miles per hour.

## Approximate result

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

42.5 ft/s ≅ 28.977 mph

An alternative is also that one mile per hour is approximately zero point zero three five times forty-two point 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)
43.5 feet per second 29.659 miles per hour
44.5 feet per second 30.341 miles per hour
45.5 feet per second 31.023 miles per hour
46.5 feet per second 31.705 miles per hour
47.5 feet per second 32.386 miles per hour
48.5 feet per second 33.068 miles per hour
49.5 feet per second 33.75 miles per hour
50.5 feet per second 34.432 miles per hour
51.5 feet per second 35.114 miles per hour
52.5 feet per second 35.795 miles per hour