## 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

feet (ft) millimeters (mm)
843 feet 256946.4 millimeters
844 feet 257251.2 millimeters
845 feet 257556 millimeters
846 feet 257860.8 millimeters
847 feet 258165.6 millimeters
848 feet 258470.4 millimeters
849 feet 258775.2 millimeters
850 feet 259080 millimeters
851 feet 259384.8 millimeters
852 feet 259689.6 millimeters