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 12 inches into centimeters we have to multiply 12 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

12 in → L_(cm)

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

L_(cm) = 12 in × 2.54 cm

L_(cm) = 30.48 cm

The final result is:

12 in → 30.48 cm

We conclude that 12 inches is equivalent to 30.48 centimeters:

12 inches = 30.48 centimeters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 centimeter is equal to 0.032808398950131 × 12 inches.

Another way is saying that 12 inches is equal to 1 ÷ 0.032808398950131 centimeters.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that twelve inches is approximately thirty point four eight centimeters:

12 in ≅ 30.48 cm

An alternative is also that one centimeter is approximately zero point zero three three times twelve 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