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 66.7 feet per second into miles per hour we have to multiply 66.7 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

66.7 ft/s → V(mph)

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

V(mph) = 66.7 ft/s × 0.68181818181818 mph

V(mph) = 45.477272727273 mph

The final result is:

66.7 ft/s → 45.477272727273 mph

We conclude that 66.7 feet per second is equivalent to 45.477272727273 miles per hour:

66.7 feet per second = 45.477272727273 miles per hour

66.7 feet per second is equal to 45.477 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 0.021989005497251 × 66.7 feet per second.

Another way is saying that 66.7 feet per second is equal to 1 ÷ 0.021989005497251 miles per hour.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that sixty-six point seven feet per second is approximately forty-five point four seven seven miles per hour:

66.7 ft/s ≅ 45.477 mph

An alternative is also that one mile per hour is approximately zero point zero two two times sixty-six 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)
67.7 feet per second 46.159 miles per hour
68.7 feet per second 46.841 miles per hour
69.7 feet per second 47.523 miles per hour
70.7 feet per second 48.205 miles per hour
71.7 feet per second 48.886 miles per hour
72.7 feet per second 49.568 miles per hour
73.7 feet per second 50.25 miles per hour
74.7 feet per second 50.932 miles per hour
75.7 feet per second 51.614 miles per hour
76.7 feet per second 52.295 miles per hour