42 inches in millimeters


42 inches is equivalent to 1066.8 millimeters.[1]

Conversion formula
How to convert 42 inches to millimeters?

We know (by definition) that: 1in = 25.4mm

We can set up a proportion to solve for the number of millimeters.

1 in 42 in = 25.4 mm x mm

Now, we cross multiply to solve for our unknown x:

x mm = 42 in 1 in * 25.4 mm x mm = 1066.8 mm

Conclusion: 42 in = 1066.8 mm

42 inches is equivalent to 1066.8 millimeters

Conversion in the opposite direction

The inverse of the conversion factor is that 1 millimeter is equal to 0.000937382827146606 times 42 inches.

It can also be expressed as: 42 inches is equal to 1 0.000937382827146606 millimeters.


An approximate numerical result would be: forty-two inches is about zero millimeters, or alternatively, a millimeter is about zero times forty-two inches.


[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).

Results may contain small errors due to the use of floating point arithmetic.

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