Conversion formula

The conversion factor from feet to inches is 12, which means that 1 foot is equal to 12 inches:

1 ft = 12 in

To convert 1290 feet into inches we have to multiply 1290 by the conversion factor in order to get the length amount from feet to inches. We can also form a simple proportion to calculate the result:

1 ft → 12 in

1290 ft → L_(in)

Solve the above proportion to obtain the length L in inches:

L_(in) = 1290 ft × 12 in

L_(in) = 15480 in

The final result is:

1290 ft → 15480 in

We conclude that 1290 feet is equivalent to 15480 inches:

1290 feet = 15480 inches

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 inch is equal to 6.4599483204134E-5 × 1290 feet.

Another way is saying that 1290 feet is equal to 1 ÷ 6.4599483204134E-5 inches.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one thousand two hundred ninety feet is approximately fifteen thousand four hundred eighty inches:

1290 ft ≅ 15480 in

An alternative is also that one inch is approximately zero times one thousand two hundred ninety feet.

Conversion table

feet to inches chart

For quick reference purposes, below is the conversion table you can use to convert from feet to inches