Monthly Budget Calculator
Build a simple monthly budget.
Enter your numbers and press Calculate.
About the Monthly Budget Calculator
This calculator splits monthly take-home income into categories so you can see how a spending plan balances. A widely used starting framework is roughly 50% for needs, 30% for wants, and 20% for saving and extra debt payments, though the split is meant to be adjusted.
The value of a budget is deciding where money goes before the month starts. Comparing your actual spending to the plan each month is how the framework turns into a habit.
How this works
Surplus = income − Σ(expenses); savings rate = surplus ÷ income.
Assumptions
- Uses take-home income.
- Expense categories are estimates you can adjust.
Frequently asked questions
What counts as a "need" versus a "want"?
Needs are essential and hard to avoid — housing, utilities, groceries, insurance, minimum debt payments. Wants are discretionary — dining out, subscriptions, travel.
Should I budget with gross or net income?
Net (take-home) income, since that is the money actually available to allocate.
What if my needs are more than 50%?
That is common in high-cost areas. The percentages are a reference, not a rule; the goal is a plan where income covers outflows and some saving still happens.
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This calculator provides estimates for educational purposes only and is not personalized financial advice. Rates, taxes, and financial products change — verify with providers and qualified professionals.