Monthly Budget Calculator

Enter your income and every expense category to see your monthly surplus or deficit. Compares your spending to national averages.

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Enter your net pay — what actually hits your account.

Fixed Expenses$0
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Variable Expenses$0
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Savings & Debt$0
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Total income$5,000
Total expenses$0
Monthly surplus+$5,000

Great — you have room to save or invest the surplus.

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Expenly — Expense Tracker

Track every category against your monthly budget. See your surplus or deficit update in real time as you spend.

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How to Build a Monthly Budget From Scratch

A monthly budget is a plan that assigns every dollar of your income to a specific purpose before you spend it. The goal isn't restriction — it's awareness. Most people who budget discover that their biggest overspending happens in categories they didn't think were problems.

Start with your take-home pay (after tax), then list every expense from housing down to the small recurring things. Total them up, subtract from income, and you have your baseline surplus or deficit.

Average American Monthly Expenses by Category (2026)

Based on Bureau of Labor Statistics Consumer Expenditure data, the average American household spends approximately:

  • Housing: 33% of income (rent, mortgage, utilities, insurance)
  • Transportation: 16% (car payments, gas, insurance, maintenance)
  • Food: 13% (groceries + dining out combined)
  • Healthcare: 8%
  • Personal insurance & pensions: 12% (includes 401k)
  • Entertainment: 5%
  • All other: ~13%

These are averages — individual situations vary enormously by income, location, and lifestyle. Use them as benchmarks, not targets.

What to Do When Your Expenses Exceed Your Income

A negative budget is common and fixable. The order of operations:

  1. Identify the biggest line items first. Housing and transportation alone often make up 50% of spending — small cuts to entertainment won't move the needle much.
  2. Audit subscriptions. The average person has 8–12 active subscriptions. Most households can find $50–100/month in forgotten renewals.
  3. Separate fixed vs variable expenses. Fixed costs (rent, loan payments) require bigger lifestyle changes. Variable costs (dining, shopping) can be reduced immediately.
  4. Increase income. Even a modest side hustle adds dollars to the surplus side of the equation.

Tips for Sticking to a Monthly Budget

The biggest budget-killer isn't willpower — it's forgetting to track small purchases. The fix: log every expense as you spend, not at the end of the week from memory. Ten seconds at the point of purchase is far more accurate than an hour of reconstruction on Sunday night.