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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 550 feet per second into miles per hour we have to multiply 550 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

550 ft/s → V(mph)

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

V(mph) = 550 ft/s × 0.68181818181818 mph

V(mph) = 375 mph

The final result is:

550 ft/s → 375 mph

We conclude that 550 feet per second is equivalent to 375 miles per hour:

550 feet per second = 375 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 0.0026666666666667 × 550 feet per second.

Another way is saying that 550 feet per second is equal to 1 ÷ 0.0026666666666667 miles per hour.

Approximate result

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

550 ft/s ≅ 375 mph

An alternative is also that one mile per hour is approximately zero point zero zero three times five hundred fifty 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)
551 feet per second 375.682 miles per hour
552 feet per second 376.364 miles per hour
553 feet per second 377.045 miles per hour
554 feet per second 377.727 miles per hour
555 feet per second 378.409 miles per hour
556 feet per second 379.091 miles per hour
557 feet per second 379.773 miles per hour
558 feet per second 380.455 miles per hour
559 feet per second 381.136 miles per hour
560 feet per second 381.818 miles per hour