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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 1380 feet per second into miles per hour we have to multiply 1380 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

1380 ft/s → V(mph)

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

V(mph) = 1380 ft/s × 0.68181818181818 mph

V(mph) = 940.90909090909 mph

The final result is:

1380 ft/s → 940.90909090909 mph

We conclude that 1380 feet per second is equivalent to 940.90909090909 miles per hour:

1380 feet per second = 940.90909090909 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 0.0010628019323671 × 1380 feet per second.

Another way is saying that 1380 feet per second is equal to 1 ÷ 0.0010628019323671 miles per hour.

Approximate result

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

1380 ft/s ≅ 940.909 mph

An alternative is also that one mile per hour is approximately zero point zero zero one times one thousand three 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

feet per second (ft/s) miles per hour (mph)
1381 feet per second 941.591 miles per hour
1382 feet per second 942.273 miles per hour
1383 feet per second 942.955 miles per hour
1384 feet per second 943.636 miles per hour
1385 feet per second 944.318 miles per hour
1386 feet per second 945 miles per hour
1387 feet per second 945.682 miles per hour
1388 feet per second 946.364 miles per hour
1389 feet per second 947.045 miles per hour
1390 feet per second 947.727 miles per hour