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 280 feet per second into miles per hour we have to multiply 280 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

280 ft/s → V_(mph)

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

V_(mph) = 280 ft/s × 0.68181818181818 mph

V_(mph) = 190.90909090909 mph

The final result is:

280 ft/s → 190.90909090909 mph

We conclude that 280 feet per second is equivalent to 190.90909090909 miles per hour:

280 feet per second = 190.90909090909 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 0.0052380952380952 × 280 feet per second.

Another way is saying that 280 feet per second is equal to 1 ÷ 0.0052380952380952 miles per hour.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that two hundred eighty feet per second is approximately one hundred ninety point nine zero nine miles per hour:

280 ft/s ≅ 190.909 mph

An alternative is also that one mile per hour is approximately zero point zero zero five times two hundred eighty 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