Unit Converter
Conversion formula
The conversion factor from feet per second to kilometers per hour is 1.0972799999991, which means that 1 foot per second is equal to 1.0972799999991 kilometers per hour:
1 ft/s = 1.0972799999991 km/h
To convert 1138 feet per second into kilometers per hour we have to multiply 1138 by the conversion factor in order to get the velocity amount from feet per second to kilometers per hour. We can also form a simple proportion to calculate the result:
1 ft/s → 1.0972799999991 km/h
1138 ft/s → V(km/h)
Solve the above proportion to obtain the velocity V in kilometers per hour:
V(km/h) = 1138 ft/s × 1.0972799999991 km/h
V(km/h) = 1248.704639999 km/h
The final result is:
1138 ft/s → 1248.704639999 km/h
We conclude that 1138 feet per second is equivalent to 1248.704639999 kilometers per hour:
1138 feet per second = 1248.704639999 kilometers per hour
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer per hour is equal to 0.00080082989040611 × 1138 feet per second.
Another way is saying that 1138 feet per second is equal to 1 ÷ 0.00080082989040611 kilometers per hour.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that one thousand one hundred thirty-eight feet per second is approximately one thousand two hundred forty-eight point seven zero five kilometers per hour:
1138 ft/s ≅ 1248.705 km/h
An alternative is also that one kilometer per hour is approximately zero point zero zero one times one thousand one hundred thirty-eight feet per second.
Conversion table
feet per second to kilometers per hour chart
For quick reference purposes, below is the conversion table you can use to convert from feet per second to kilometers per hour
feet per second (ft/s) | kilometers per hour (km/h) |
---|---|
1139 feet per second | 1249.802 kilometers per hour |
1140 feet per second | 1250.899 kilometers per hour |
1141 feet per second | 1251.996 kilometers per hour |
1142 feet per second | 1253.094 kilometers per hour |
1143 feet per second | 1254.191 kilometers per hour |
1144 feet per second | 1255.288 kilometers per hour |
1145 feet per second | 1256.386 kilometers per hour |
1146 feet per second | 1257.483 kilometers per hour |
1147 feet per second | 1258.58 kilometers per hour |
1148 feet per second | 1259.677 kilometers per hour |