Monthly Budget Planner

Build a complete monthly budget by entering income, fixed expenses, variable spending, debt payments, and savings targets. This planner helps you understand where your money is going, whether you’re living within your means, and how much room you have left for savings or debt payoff.

Burrow Tip: Start with your real monthly take-home pay, then enter only recurring and realistic monthly numbers. A budget works best when it reflects your actual habits, not idealized ones.

If your income varies, use a conservative average month first, then compare it with a strong month in your own planning process.

Budget inputs

Side income, rental income, support, freelance income, etc.
Advanced categories (optional)
Scenario planning (optional)
Applied to dining + shopping + entertainment + subscriptions.

Burrow Tip: Use scenario mode to compare a realistic month against a stretch goal month. That’s often more useful than building one “perfect” budget.

Results

Total monthly income
$—
Net income + other income
Total monthly spending
$—
All expenses + debt + savings target
Remaining cash flow
$—
Income minus all planned outflows
Savings rate
Savings target ÷ income
Needs vs wants
Useful for 50/30/20-style checks
Budget health
Based on leftover cash and buffer target

Budget allocation

50/30/20 comparison

Compares your actual needs / wants / savings split against a common rule-of-thumb target.
Budget flow overview
Blue = needs, green = wants, gray = savings/debt goals, red = negative gap if spending exceeds income.
Budget category table
The table below shows category-level monthly amounts and share of income.
Category Type Monthly amount % of income Notes
Budget flow timeline (Mermaid code)

If your site supports Mermaid elsewhere, you can paste this snippet into a Mermaid block. This tool does not load Mermaid.

How to use these results

A budget is not just a spending tracker. It is a decision tool. The real question is whether your current spending pattern supports your priorities: housing stability, debt reduction, savings growth, and day-to-day flexibility.

  • Start with leftover cash: if your leftover is negative, the budget is unsustainable as written.
  • Check wants first: discretionary spending is usually the easiest area to adjust before touching essential categories.
  • Protect savings targets: if possible, reduce “nice-to-have” categories before reducing emergency fund or investing contributions.
  • Use the rule comparison as a guide, not a law: 50/30/20 is helpful, but your actual mix may differ depending on stage of life, city, and debt load.

This planner is most useful when you revisit it regularly and compare actual spending against your plan over time.