## 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 425 feet per second into miles per hour we have to multiply 425 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

425 ft/s → V(mph)

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

V(mph) = 425 ft/s × 0.68181818181818 mph

V(mph) = 289.77272727273 mph

The final result is:

425 ft/s → 289.77272727273 mph

We conclude that 425 feet per second is equivalent to 289.77272727273 miles per hour:

425 feet per second = 289.77272727273 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 0.0034509803921569 × 425 feet per second.

Another way is saying that 425 feet per second is equal to 1 ÷ 0.0034509803921569 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 twenty-five feet per second is approximately two hundred eighty-nine point seven seven three miles per hour:

425 ft/s ≅ 289.773 mph

An alternative is also that one mile per hour is approximately zero point zero zero three times four hundred twenty-five 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)
426 feet per second 290.455 miles per hour
427 feet per second 291.136 miles per hour
428 feet per second 291.818 miles per hour
429 feet per second 292.5 miles per hour
430 feet per second 293.182 miles per hour
431 feet per second 293.864 miles per hour
432 feet per second 294.545 miles per hour
433 feet per second 295.227 miles per hour
434 feet per second 295.909 miles per hour
435 feet per second 296.591 miles per hour