Unit Converter
Conversion formula
The conversion factor from miles per hour to feet per second is 1.4666666666667, which means that 1 mile per hour is equal to 1.4666666666667 feet per second:
1 mph = 1.4666666666667 ft/s
To convert 389 miles per hour into feet per second we have to multiply 389 by the conversion factor in order to get the velocity amount from miles per hour to feet per second. We can also form a simple proportion to calculate the result:
1 mph → 1.4666666666667 ft/s
389 mph → V(ft/s)
Solve the above proportion to obtain the velocity V in feet per second:
V(ft/s) = 389 mph × 1.4666666666667 ft/s
V(ft/s) = 570.53333333333 ft/s
The final result is:
389 mph → 570.53333333333 ft/s
We conclude that 389 miles per hour is equivalent to 570.53333333333 feet per second:
389 miles per hour = 570.53333333333 feet per second
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 foot per second is equal to 0.0017527459686843 × 389 miles per hour.
Another way is saying that 389 miles per hour is equal to 1 ÷ 0.0017527459686843 feet per second.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that three hundred eighty-nine miles per hour is approximately five hundred seventy point five three three feet per second:
389 mph ≅ 570.533 ft/s
An alternative is also that one foot per second is approximately zero point zero zero two times three hundred eighty-nine miles per hour.
Conversion table
miles per hour to feet per second chart
For quick reference purposes, below is the conversion table you can use to convert from miles per hour to feet per second
miles per hour (mph) | feet per second (ft/s) |
---|---|
390 miles per hour | 572 feet per second |
391 miles per hour | 573.467 feet per second |
392 miles per hour | 574.933 feet per second |
393 miles per hour | 576.4 feet per second |
394 miles per hour | 577.867 feet per second |
395 miles per hour | 579.333 feet per second |
396 miles per hour | 580.8 feet per second |
397 miles per hour | 582.267 feet per second |
398 miles per hour | 583.733 feet per second |
399 miles per hour | 585.2 feet per second |