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Unit Converter

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 117.8 feet per second into miles per hour we have to multiply 117.8 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

117.8 ft/s → V(mph)

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

V(mph) = 117.8 ft/s × 0.68181818181818 mph

V(mph) = 80.318181818182 mph

The final result is:

117.8 ft/s → 80.318181818182 mph

We conclude that 117.8 feet per second is equivalent to 80.318181818182 miles per hour:

117.8 feet per second = 80.318181818182 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 0.012450481041313 × 117.8 feet per second.

Another way is saying that 117.8 feet per second is equal to 1 ÷ 0.012450481041313 miles per hour.

Approximate result

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

117.8 ft/s ≅ 80.318 mph

An alternative is also that one mile per hour is approximately zero point zero one two times one hundred 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)
118.8 feet per second 81 miles per hour
119.8 feet per second 81.682 miles per hour
120.8 feet per second 82.364 miles per hour
121.8 feet per second 83.045 miles per hour
122.8 feet per second 83.727 miles per hour
123.8 feet per second 84.409 miles per hour
124.8 feet per second 85.091 miles per hour
125.8 feet per second 85.773 miles per hour
126.8 feet per second 86.455 miles per hour
127.8 feet per second 87.136 miles per hour