Conversion formula

The conversion factor from inches to centimeters is 2.54, which means that 1 inch is equal to 2.54 centimeters:

1 in = 2.54 cm

To convert 40 inches into centimeters we have to multiply 40 by the conversion factor in order to get the length amount from inches to centimeters. We can also form a simple proportion to calculate the result:

1 in → 2.54 cm

40 in → L_(cm)

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

L_(cm) = 40 in × 2.54 cm

L_(cm) = 101.6 cm

The final result is:

40 in → 101.6 cm

We conclude that 40 inches is equivalent to 101.6 centimeters:

40 inches = 101.6 centimeters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 centimeter is equal to 0.0098425196850394 × 40 inches.

Another way is saying that 40 inches is equal to 1 ÷ 0.0098425196850394 centimeters.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that forty inches is approximately one hundred one point six centimeters:

40 in ≅ 101.6 cm

An alternative is also that one centimeter is approximately zero point zero one times forty inches.

Conversion table

inches to centimeters chart

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