Budget Calculator

Calculate a monthly budget, income, expenses, savings, surplus, deficit, savings rate, expense ratio, and spending category breakdown. Use this budget calculator to see where money is going and how much is left after expenses.

Calculate Budget

Money Left Over = Total Income − Total Expenses − Savings.
Your result will appear here.

How the budget calculator works

Monthly budget:
Enter income, expenses, and savings to calculate monthly surplus or deficit.

Annual budget:
Multiply monthly income, expenses, and savings by 12 to estimate annual totals.

Savings goal budget:
Enter a savings goal and number of months to calculate needed monthly savings.

Business budget:
Include payroll and marketing to estimate business-style revenue, expenses, and budget surplus.

Why use a budget calculator?

A budget calculator helps track income, spending, savings, and whether there is enough money to cover planned expenses.

It can be used for household budgeting, small business planning, savings goals, expense reviews, and cash-flow checks.

What your result means

Your result shows total income, total expenses, savings, money left over, annual totals, savings rate, expense ratio, and the amount needed each month to reach a savings goal. A surplus means your budget has money left over. A deficit means expenses and savings are higher than income.

Budget calculator formulas

Frequently asked questions

What is a budget?

A budget is a plan for income, expenses, savings, and money left over during a period of time.

How do you calculate a monthly budget?

Add monthly income, add monthly expenses, subtract expenses and savings from income, then review the surplus or deficit.

What is a savings rate?

Savings rate is the percentage of income saved. It is calculated by dividing savings by income and multiplying by 100.

What does a budget deficit mean?

A budget deficit means expenses and savings are higher than income for the selected period.