3 inches in centimeters
Result
The conversion result is: 3 inches is equivalent to 7.62 centimeters.[1]
Conversion formula
How to convert 3 inches to centimeters?
We know (by definition) that: 1 in = 2.54 cm.
We can set up a proportion to solve for the number of centimeters.
1 in / 3 in = 2.54 cm / x cm
Now, we cross multiply to solve for our unknown x:
x cm = (3 in / 1 in) * 2.54 cm → x cm = 7.62 cm
Conclusion:
3 in = 7.62 cm
Conversion in the opposite direction
The inverse of the conversion factor is that 1 centimeter is equal to 0.131233595800525 times 3 inches.
It can also be expressed as: 3 inches is equal to 1 / 0.131233595800525 centimeters.
Approximation
An approximate numerical result would be: three inches is about zero centimeters, or alternatively, a centimeter is about zero point one three 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.