Enter the number of secondary products sold and the number of primary products sold into the Calculator. The calculator will evaluate the Attachment Ratio.

## Attachment Ratio Formula

AR = SPS / PPS * 100

Variables:

- AR is the Attachment Ratio (%)
- SPS is the number of secondary products sold
- PPS is the number of primary products sold

To calculate the Attachment Ratio, divide the number of secondary products sold by the number of primary products sold.

## How to Calculate Attachment Ratio?

The following steps outline how to calculate the Attachment Ratio.

- First, determine the number of secondary products sold.
- Next, determine the number of primary products sold.
- Next, gather the formula from above = AR = SPS / PPS * 100.
- Finally, calculate the Attachment Ratio.
- 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.

number of secondary products sold = 90

number of primary products sold = 100