Budget Calculator

Create a monthly budget, organize expenses, calculate your remaining balance, and compare spending against optional guidelines.

  • Free to use
  • No account required
  • Results shown instantly
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Expenses

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Savings & Financial Goals

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Enter your income and allocations, then click calculate to see your remaining balance.

Getting Started

How to Create a Monthly Budget

A budget matches your income to your spending and saving. Start with your monthly take-home pay, list every expense category, decide how much to save, and see what remains. The goal is intention — directing each dollar on purpose rather than discovering where it went at the end of the month.

The Basics

Income vs. Expenses

Budget from your net (take-home) income, not gross — that is the money you actually have to spend. Compare it to your total expenses and savings allocations. If expenses exceed income, you have a deficit; if income exceeds allocations, you have a surplus to direct toward goals.

Expense Types

Fixed vs. Variable Expenses

Fixed expenses stay roughly the same each month: rent, insurance premiums, and loan payments. Variable expenses fluctuate: groceries, utilities, gas, and dining out. Separating them helps you see which costs are commitments and which are flexible when you need to cut.

Priorities

Essential vs. Discretionary Spending

Essentials are must-pays: housing, utilities, groceries, transportation, insurance, and minimum debt payments. Discretionary spending — entertainment, dining out, hobbies — is where you have room to adjust. A budget that covers essentials, meets minimum debt payments, and saves for goals is sustainable even if discretionary categories flex.

Guideline

Understanding the 50/30/20 Guideline

The 50/30/20 guideline suggests roughly 50% of take-home pay for needs, 30% for wants, and 20% for savings and debt goals. It is a starting framework, not a universal rule — in high-cost areas needs may take more, and aggressive debt paydown may shift savings higher. The calculator can show a 50/30/20 comparison so you can see how your plan stacks up.

Surplus or Deficit

Budget Surplus vs. Deficit

A surplus means you have money left after covering expenses and savings allocations — you can direct it toward extra debt paydown, investing, or a goal. A deficit means your allocations exceed your income; you need to cut expenses, raise income, or reduce savings temporarily. The calculator shows your remaining balance and flags which side you are on.

Savings

Planning Savings Contributions

Treat savings as a line item, not an afterthought. Pay yourself first by allocating a set amount to savings before discretionary spending. Your savings rate — savings divided by income — is a useful measure of how much of your income you are keeping for the future.

Adjusting

How to Adjust an Unbalanced Budget

  • Identify discretionary categories where you can cut without sacrificing essentials.
  • Reorder priorities so essentials, minimum debt payments, and savings come first.
  • Raise income through side work or negotiate recurring bills to free up room.
  • Re-evaluate monthly — budgets are living documents, not set-and-forget.

Budget Methodology

  • Remaining balance: monthly take-home income minus the total of all expense and savings allocations. A negative value is a deficit and is shown directly.
  • Savings rate: total savings allocations divided by monthly take-home income, as a percentage. If income is zero, the rate is zero to avoid division errors.
  • Expense and savings breakdown: each allocation shown as a dollar amount and as a percentage of income, sorted highest to lowest.
  • 50/30/20 comparison: when enabled, shows 50% for needs, 30% for wants, and 20% for savings and goals as a guideline against your actual allocations.
  • No double-counting: savings is its own category; expense lines are not mixed with savings, so nothing is counted twice.
  • Rounding: all calculations use full numerical precision internally and are rounded only for display.

Budget from take-home (net) income, not gross. 50/30/20 is an optional guideline, not a universal rule. See our MoneyMetric HQ Methodology page for the general approach behind all MoneyMetric HQ calculators.

Worked Example

Budget Example

Illustrative Example

  • Monthly Take-Home Income: $5,000
  • Total Expenses and Savings Allocations: $4,200

Remaining monthly balance = $5,000 − $4,200 = $800.

Optional 50/30/20 Guideline for $5,000

  • Needs (50%): $2,500
  • Wants (30%): $1,500
  • Savings & goals (20%): $1,000

50/30/20 is a guideline, not a universal rule. Adjust it to fit your income, debts, and goals.

FAQ

Budget Calculator FAQs

How do I create a monthly budget?

Start with your monthly take-home income, list every expense category, decide how much to save, and see what remains. The calculator totals your allocations and shows your remaining balance and savings rate.

What is the 50/30/20 rule?

A guideline suggesting roughly 50% of take-home pay for needs, 30% for wants, and 20% for savings and goals. It is a starting framework, not a universal rule — adjust it to fit your situation.

Should I budget using gross or net income?

Use take-home (net) income — the money you actually have to spend. Gross income includes taxes and deductions that never reach your bank account.

How much should I save monthly?

A common guideline is 20% of take-home income, but the right amount depends on your goals, debts, and stage of life. Pay yourself first by allocating savings before discretionary spending.

What counts as a fixed expense?

Fixed expenses stay roughly the same each month: rent, insurance premiums, and loan payments. Variable expenses like groceries and utilities fluctuate and offer more room to adjust.

What happens when expenses exceed income?

You have a deficit. You need to cut discretionary expenses, raise income, or temporarily reduce savings. The calculator shows your remaining balance and flags a deficit.

How do I reduce overspending?

Identify discretionary categories where you can cut, reorder priorities so essentials and savings come first, and re-evaluate monthly. Budgets are living documents, not set-and-forget.

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MoneyMetric HQ calculators are provided for educational and informational purposes. Results are estimates and may differ from lender, loan-servicer or other financial calculations because of loan terms, payment timing, rounding, fees, taxes, insurance and other factors. MoneyMetric HQ does not provide personalized financial, investment, tax, legal or credit advice. 50/30/20 is an optional guideline, not a universal rule. Budget from take-home (net) income, not gross. See our Methodology, Financial Disclaimer, and Privacy Policy.