## 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 100 feet per second into miles per hour we have to multiply 100 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

100 ft/s → V(mph)

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

V(mph) = 100 ft/s × 0.68181818181818 mph

V(mph) = 68.181818181818 mph

The final result is:

100 ft/s → 68.181818181818 mph

We conclude that 100 feet per second is equivalent to 68.181818181818 miles per hour:

100 feet per second = 68.181818181818 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 0.014666666666667 × 100 feet per second.

Another way is saying that 100 feet per second is equal to 1 ÷ 0.014666666666667 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 feet per second is approximately sixty-eight point one eight two miles per hour:

100 ft/s ≅ 68.182 mph

An alternative is also that one mile per hour is approximately zero point zero one five times one hundred 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)
101 feet per second 68.864 miles per hour
102 feet per second 69.545 miles per hour
103 feet per second 70.227 miles per hour
104 feet per second 70.909 miles per hour
105 feet per second 71.591 miles per hour
106 feet per second 72.273 miles per hour
107 feet per second 72.955 miles per hour
108 feet per second 73.636 miles per hour
109 feet per second 74.318 miles per hour
110 feet per second 75 miles per hour