## Conversion formula

The conversion factor from inches to decimeters is 0.254, which means that 1 inch is equal to 0.254 decimeters:

1 in = 0.254 dm

To convert 12 inches into decimeters we have to multiply 12 by the conversion factor in order to get the length amount from inches to decimeters. We can also form a simple proportion to calculate the result:

1 in → 0.254 dm

12 in → L(dm)

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

L(dm) = 12 in × 0.254 dm

L(dm) = 3.048 dm

The final result is:

12 in → 3.048 dm

We conclude that 12 inches is equivalent to 3.048 decimeters:

12 inches = 3.048 decimeters ## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 decimeter is equal to 0.32808398950131 × 12 inches.

Another way is saying that 12 inches is equal to 1 ÷ 0.32808398950131 decimeters.

## Approximate result

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

12 in ≅ 3.048 dm

An alternative is also that one decimeter is approximately zero point three two eight times twelve inches.

## Conversion table

### inches to decimeters chart

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

inches (in) decimeters (dm)
13 inches 3.302 decimeters
14 inches 3.556 decimeters
15 inches 3.81 decimeters
16 inches 4.064 decimeters
17 inches 4.318 decimeters
18 inches 4.572 decimeters
19 inches 4.826 decimeters
20 inches 5.08 decimeters
21 inches 5.334 decimeters
22 inches 5.588 decimeters