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Unit Converter

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 673.7 feet per second into miles per hour we have to multiply 673.7 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

673.7 ft/s → V(mph)

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

V(mph) = 673.7 ft/s × 0.68181818181818 mph

V(mph) = 459.34090909091 mph

The final result is:

673.7 ft/s → 459.34090909091 mph

We conclude that 673.7 feet per second is equivalent to 459.34090909091 miles per hour:

673.7 feet per second = 459.34090909091 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 0.0021770323091386 × 673.7 feet per second.

Another way is saying that 673.7 feet per second is equal to 1 ÷ 0.0021770323091386 miles per hour.

Approximate result

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

673.7 ft/s ≅ 459.341 mph

An alternative is also that one mile per hour is approximately zero point zero zero two times six hundred seventy-three point seven 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)
674.7 feet per second 460.023 miles per hour
675.7 feet per second 460.705 miles per hour
676.7 feet per second 461.386 miles per hour
677.7 feet per second 462.068 miles per hour
678.7 feet per second 462.75 miles per hour
679.7 feet per second 463.432 miles per hour
680.7 feet per second 464.114 miles per hour
681.7 feet per second 464.795 miles per hour
682.7 feet per second 465.477 miles per hour
683.7 feet per second 466.159 miles per hour