About the Budget Calculator
Build a monthly budget, see what is left over and compare your spending with the 50/30/20 rule. This tool is free, works in your browser and needs no sign-up.
How to use the Budget Calculator
Enter your monthly income and your spending in each group. The tool shows the money left and the share going to needs, wants and savings.
Formula used
Left over = income − all spending and saving. The 50/30/20 rule targets 50% needs, 30% wants and 20% savings.
Example
With Monthly income after tax 4000, Housing (rent or mortgage) 1200, Utilities and phone 250, Food and groceries 450, Transport 250, the calculator shows: Total spending and saving = 3,300.00; Money left over = 700.00; Needs = 2,500.00 (62.5%, goal 50%).
Frequently asked questions
What is the 50/30/20 rule?
It is a simple guide: 50% of after-tax income for needs, 30% for wants and 20% for savings and debt payoff.
Is the Budget Calculator free to use?
Yes. It is completely free and you can use it as many times as you like.
How accurate is the Budget Calculator?
The calculator uses standard formulas, so the maths is exact. Real life results can differ because of fees, taxes, rounding or personal factors, so treat the answer as an estimate.
Do you store the numbers I enter?
No. All calculations run in your browser. The values you type are not sent to our server.
Disclaimer: results are estimates for information only. They are not financial, medical or professional advice.