## 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 742.9 feet per second into miles per hour we have to multiply 742.9 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

742.9 ft/s → V(mph)

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

V(mph) = 742.9 ft/s × 0.68181818181818 mph

V(mph) = 506.52272727273 mph

The final result is:

742.9 ft/s → 506.52272727273 mph

We conclude that 742.9 feet per second is equivalent to 506.52272727273 miles per hour:

742.9 feet per second = 506.52272727273 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 0.0019742450756046 × 742.9 feet per second.

Another way is saying that 742.9 feet per second is equal to 1 ÷ 0.0019742450756046 miles per hour.

## Approximate result

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

742.9 ft/s ≅ 506.523 mph

An alternative is also that one mile per hour is approximately zero point zero zero two times seven hundred forty-two point nine 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)
743.9 feet per second 507.205 miles per hour
744.9 feet per second 507.886 miles per hour
745.9 feet per second 508.568 miles per hour
746.9 feet per second 509.25 miles per hour
747.9 feet per second 509.932 miles per hour
748.9 feet per second 510.614 miles per hour
749.9 feet per second 511.295 miles per hour
750.9 feet per second 511.977 miles per hour
751.9 feet per second 512.659 miles per hour
752.9 feet per second 513.341 miles per hour