Unit Converter
Conversion formula
The conversion factor from inches to millimeters is 25.4, which means that 1 inch is equal to 25.4 millimeters:
1 in = 25.4 mm
To convert 42 inches into millimeters we have to multiply 42 by the conversion factor in order to get the length amount from inches to millimeters. We can also form a simple proportion to calculate the result:
1 in → 25.4 mm
42 in → L(mm)
Solve the above proportion to obtain the length L in millimeters:
L(mm) = 42 in × 25.4 mm
L(mm) = 1066.8 mm
The final result is:
42 in → 1066.8 mm
We conclude that 42 inches is equivalent to 1066.8 millimeters:
42 inches = 1066.8 millimeters
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 millimeter is equal to 0.00093738282714661 × 42 inches.
Another way is saying that 42 inches is equal to 1 ÷ 0.00093738282714661 millimeters.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that forty-two inches is approximately one thousand sixty-six point eight millimeters:
42 in ≅ 1066.8 mm
An alternative is also that one millimeter is approximately zero point zero zero one times forty-two inches.
Conversion table
inches to millimeters chart
For quick reference purposes, below is the conversion table you can use to convert from inches to millimeters
inches (in) | millimeters (mm) |
---|---|
43 inches | 1092.2 millimeters |
44 inches | 1117.6 millimeters |
45 inches | 1143 millimeters |
46 inches | 1168.4 millimeters |
47 inches | 1193.8 millimeters |
48 inches | 1219.2 millimeters |
49 inches | 1244.6 millimeters |
50 inches | 1270 millimeters |
51 inches | 1295.4 millimeters |
52 inches | 1320.8 millimeters |