Unit Converter
Conversion formula
The conversion factor from feet to kilometers is 0.0003048, which means that 1 foot is equal to 0.0003048 kilometers:
1 ft = 0.0003048 km
To convert 138 feet into kilometers we have to multiply 138 by the conversion factor in order to get the length amount from feet to kilometers. We can also form a simple proportion to calculate the result:
1 ft → 0.0003048 km
138 ft → L(km)
Solve the above proportion to obtain the length L in kilometers:
L(km) = 138 ft × 0.0003048 km
L(km) = 0.0420624 km
The final result is:
138 ft → 0.0420624 km
We conclude that 138 feet is equivalent to 0.0420624 kilometers:
138 feet = 0.0420624 kilometers
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 23.774202137776 × 138 feet.
Another way is saying that 138 feet is equal to 1 ÷ 23.774202137776 kilometers.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that one hundred thirty-eight feet is approximately zero point zero four two kilometers:
138 ft ≅ 0.042 km
An alternative is also that one kilometer is approximately twenty-three point seven seven four times one hundred thirty-eight feet.
Conversion table
feet to kilometers chart
For quick reference purposes, below is the conversion table you can use to convert from feet to kilometers
feet (ft) | kilometers (km) |
---|---|
139 feet | 0.042 kilometers |
140 feet | 0.043 kilometers |
141 feet | 0.043 kilometers |
142 feet | 0.043 kilometers |
143 feet | 0.044 kilometers |
144 feet | 0.044 kilometers |
145 feet | 0.044 kilometers |
146 feet | 0.045 kilometers |
147 feet | 0.045 kilometers |
148 feet | 0.045 kilometers |