Budget Calculator
Result
Budget Calculator Split your monthly income into needs, wants, and savings using the popular 50/30/20 budgeting rule. Enter your income and instantly see how much to allocate to each category. — free online calculator.
Formula
- Budget Calculator calculates its result from After-tax monthly income. It uses the formula Calculated with the verified ST Calculator runtime.. Change any input to recalculate the result instantly.
- The main inputs are After-tax monthly income. Enter them in the units and format shown in the calculator.
- Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Budget
- After-tax monthly income: 5000
Using After-tax monthly income = 5000, the calculated result is Needs: 2500 | Wants: 1500 | Savings: 1000.
Sample result: Calculating…
Frequently asked questions
What does the Budget calculate?
Budget Calculator Split your monthly income into needs, wants, and savings using the popular 50/30/20 budgeting rule. Enter your income and instantly see how much to allocate to each category. — free online calculator.
Which values should I enter?
Enter After-tax monthly income using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: Illustrative 50/30/20 budgeting rule applied to nonnegative monthly after-tax income I: needs = 0.50 × I; wants = 0.30 × I; savings = 0.20 × I. This is a planning allocation, not a legal or universal personal-finance requirement..
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.