Enter the offset distance (in) and the shrink per inch (in/in) into the Calculator. The calculator will evaluate the Conduit Shrink.

## Conduit Shrink Formula

CS = OD * SPI

Variables:

- CS is the Conduit Shrink (in)
- OD is the offset distance (in)
- SPI is the shrink per inch (in/in)

To calculate Conduit Shrink, multiply the offset distance by the shrink per inch.

## How to Calculate Conduit Shrink?

The following steps outline how to calculate the Conduit Shrink.

- First, determine the offset distance (in).
- Next, determine the shrink per inch (in/in).
- Next, gather the formula from above = CS = OD * SPI.
- Finally, calculate the Conduit Shrink.
- After inserting the variables and calculating the result, check your answer with the calculator above.

**Example Problem : **

Use the following variables as an example problem to test your knowledge.

offset distance (in) = 30

shrink per inch (in/in) = 0.67