Enter the after-tax income ($) and the budget rate into the Calculator. The calculator will evaluate the 20 30 50 Rule.

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## 20 30 50 Rule Formula

B = ATI * R

Variables:

- B is the 20 30 50 Rule ($)
- ATI is the after-tax income ($)
- R is the budget rate

To calculate 20 30 50 Rule, multiply the after-tax income by each budget rate, i.e. .20,.30, and .50.

## How to Calculate 20 30 50 Rule?

The following steps outline how to calculate the 20 30 50 Rule.

- First, determine the after-tax income ($).
- Next, determine the budget rate.
- Next, gather the formula from above = B = ATI * R.
- Finally, calculate the 20 30 50 Rule.
- 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.

after-tax income ($) = 356

budget rate = 80