3 inches in decimeters

Result

The conversion result is: 3 inches is equivalent to 0.762 decimeters.[1]

Conversion formula
How to convert 3 inches to decimeters?

We know (by definition) that: 1 in = 0.254 dm.

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

1 in / 3 in = 0.254 dm / x dm

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

x dm = (3 in / 1 in) * 0.254 dm → x dm = 0.762 dm

Conclusion:

3 in = 0.762 dm

Conversion in the opposite direction

The inverse of the conversion factor is that 1 decimeter is equal to 1.31233595800525 times 3 inches.

It can also be expressed as: 3 inches is equal to 1 / 1.31233595800525 decimeters.

Approximation

An approximate numerical result would be: three inches is about zero point seven six decimeters, or alternatively, a decimeter is about one point three one times three inches.

Footnotes

[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.