## 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 1142 feet per second into miles per hour we have to multiply 1142 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

1142 ft/s → V(mph)

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

V(mph) = 1142 ft/s × 0.68181818181818 mph

V(mph) = 778.63636363636 mph

The final result is:

1142 ft/s → 778.63636363636 mph

We conclude that 1142 feet per second is equivalent to 778.63636363636 miles per hour:

1142 feet per second = 778.63636363636 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 0.0012842965557501 × 1142 feet per second.

Another way is saying that 1142 feet per second is equal to 1 ÷ 0.0012842965557501 miles per hour.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one thousand one hundred forty-two feet per second is approximately seven hundred seventy-eight point six three six miles per hour:

1142 ft/s ≅ 778.636 mph

An alternative is also that one mile per hour is approximately zero point zero zero one times one thousand one hundred forty-two 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)
1143 feet per second 779.318 miles per hour
1144 feet per second 780 miles per hour
1145 feet per second 780.682 miles per hour
1146 feet per second 781.364 miles per hour
1147 feet per second 782.045 miles per hour
1148 feet per second 782.727 miles per hour
1149 feet per second 783.409 miles per hour
1150 feet per second 784.091 miles per hour
1151 feet per second 784.773 miles per hour
1152 feet per second 785.455 miles per hour