About the 50/30/20 Budget Calculator
Split after-tax income with the 50/30/20 rule: 50% needs, 30% wants and 20% savings and debt repayment.
Also known as: 50 30 20 rule, 50/30/20 rule, budget rule, needs wants savings.
How to use this calculator
- Enter monthly after-tax income, rule.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Needs 50% · Wants 30% · Savings 20% of take-home pay
Worked example
Using the values pre-filled in the calculator above:
- Monthly after-tax income = 5,000
- Rule: 50 / 30 / 20
the calculator returns:
- Needs (50%): 2,500
- Wants (30%): 1,500
- Savings & debt (20%): 1,000