Home » Calculators » Budget Calculator

Budgeting & Cash Flow Calculator - March 2026

Take control of your monthly finances.

Use this tool to track your income and expenses. Visualize where your money is going with colorful graphs and determine your monthly cash flow surplus or deficit.

Monthly Budget Planner

Enter your monthly amounts below.

Monthly Income
Monthly Expenses
Total Income
$0
Total Expenses
$0
Net Cash Flow
$0
Income vs. Expenses
Expense Breakdown

Budgeting Strategies

The 50/30/20 Rule: This popular method divides your after-tax income into three categories:

  • 50% Needs: Essential costs like housing, food, transportation, and utilities.
  • 30% Wants: Non-essential spending like dining out, entertainment, and hobbies.
  • 20% Savings: Debt repayment, retirement contributions, and emergency fund savings.

Zero-Based Budgeting: This strategy involves assigning every dollar you earn a "job" until your income minus your planned expenses equals zero. If you have $500 left over, you assign it to savings or debt reduction.

Frequently Asked Questions

What is a negative cash flow?

Negative cash flow means your monthly expenses exceed your monthly income. This usually leads to accumulating debt or draining savings. If your result above is red, look for "Wants" to cut or ways to increase income.

Does saving count as an expense?

In a budgeting context, yes. You should treat transfers to your savings account as a mandatory "expense" to ensure you pay yourself first, rather than just saving whatever is left over.

How often should I update my budget?

It is recommended to review your budget monthly. Expenses like utilities and groceries fluctuate, so tracking them regularly helps you stay on target.

The budget calculator results are for informational purposes only. Monitor Bank Rates LLC cannot and does not guarantee the accuracy.