Conversion formula

The conversion factor from feet to millimeters is 304.8, which means that 1 foot is equal to 304.8 millimeters:

1 ft = 304.8 mm

To convert 842 feet into millimeters we have to multiply 842 by the conversion factor in order to get the length amount from feet to millimeters. We can also form a simple proportion to calculate the result:

1 ft → 304.8 mm

842 ft → L_(mm)

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

L_(mm) = 842 ft × 304.8 mm

L_(mm) = 256641.6 mm

The final result is:

842 ft → 256641.6 mm

We conclude that 842 feet is equivalent to 256641.6 millimeters:

842 feet = 256641.6 millimeters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 millimeter is equal to 3.8964844358826E-6 × 842 feet.

Another way is saying that 842 feet is equal to 1 ÷ 3.8964844358826E-6 millimeters.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that eight hundred forty-two feet is approximately two hundred fifty-six thousand six hundred forty-one point six millimeters:

842 ft ≅ 256641.6 mm

An alternative is also that one millimeter is approximately zero times eight hundred forty-two feet.

Conversion table

feet to millimeters chart

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