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 17.8 feet per second into miles per hour we have to multiply 17.8 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

17.8 ft/s → V(mph)

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

V(mph) = 17.8 ft/s × 0.68181818181818 mph

V(mph) = 12.136363636364 mph

The final result is:

17.8 ft/s → 12.136363636364 mph

We conclude that 17.8 feet per second is equivalent to 12.136363636364 miles per hour:

17.8 feet per second = 12.136363636364 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 0.082397003745318 × 17.8 feet per second.

Another way is saying that 17.8 feet per second is equal to 1 ÷ 0.082397003745318 miles per hour.

Approximate result

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

17.8 ft/s ≅ 12.136 mph

An alternative is also that one mile per hour is approximately zero point zero eight two times seventeen 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)
18.8 feet per second 12.818 miles per hour
19.8 feet per second 13.5 miles per hour
20.8 feet per second 14.182 miles per hour
21.8 feet per second 14.864 miles per hour
22.8 feet per second 15.545 miles per hour
23.8 feet per second 16.227 miles per hour
24.8 feet per second 16.909 miles per hour
25.8 feet per second 17.591 miles per hour
26.8 feet per second 18.273 miles per hour
27.8 feet per second 18.955 miles per hour