## 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 478 feet per second into miles per hour we have to multiply 478 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

478 ft/s → V(mph)

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

V(mph) = 478 ft/s × 0.68181818181818 mph

V(mph) = 325.90909090909 mph

The final result is:

478 ft/s → 325.90909090909 mph

We conclude that 478 feet per second is equivalent to 325.90909090909 miles per hour:

478 feet per second = 325.90909090909 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 0.003068340306834 × 478 feet per second.

Another way is saying that 478 feet per second is equal to 1 ÷ 0.003068340306834 miles per hour.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred seventy-eight feet per second is approximately three hundred twenty-five point nine zero nine miles per hour:

478 ft/s ≅ 325.909 mph

An alternative is also that one mile per hour is approximately zero point zero zero three times four hundred seventy-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)
479 feet per second 326.591 miles per hour
480 feet per second 327.273 miles per hour
481 feet per second 327.955 miles per hour
482 feet per second 328.636 miles per hour
483 feet per second 329.318 miles per hour
484 feet per second 330 miles per hour
485 feet per second 330.682 miles per hour
486 feet per second 331.364 miles per hour
487 feet per second 332.045 miles per hour
488 feet per second 332.727 miles per hour