Budget Calculator

Build a realistic monthly budget using the 50/30/20 rule. Enter your income and expenses to see exactly where your money is going — and how much you should be saving.

🏠 Needs (Housing, Bills, Essentials)
🎉 Wants (Lifestyle & Entertainment)
💰 Savings & Investments
Monthly Income
$0
Total Expenses
$0
Remaining
$0
Category Monthly Amount % of Income 50/30/20 Target Status

How to Use This Calculator

Enter your monthly take-home pay (after taxes) at the top, then fill in what you actually spend in each category — Needs, Wants, and Savings. Use real numbers from your last month or two of statements, not what you wish you spent. Hit "Analyze My Budget" and the tool sorts everything into the 50/30/20 framework, flags where you're over or under, and shows whether you're running a surplus or a deficit.

Reading Your Results

The three cards up top show your income, total spending, and what's left. Below them, the breakdown table compares each bucket to its 50/30/20 target — Needs to 50%, Wants to 30%, Savings to 20%. Don't panic if you're off: almost everyone starts with Needs above 50% and Savings below 20%. That gap is exactly what to work on. The one number to protect is the Savings row — getting it toward 20% matters more than nailing the other two perfectly.

Want the full playbook — where the 50/30/20 rule comes from, how to tell a need from a want, and exactly where your savings should go first? Read the complete guide: The 50/30/20 Budget Rule →

Frequently Asked Questions

Should I use gross or net income?

Always use net (take-home) income — what actually hits your bank account after taxes and any pre-tax deductions like 401(k) contributions. Using gross income will make your budget look better than it actually is.

What if my rent alone is more than 50% of my income?

You're not alone — this is common in high cost-of-living cities. In that case, adjust the framework: aim for 60% needs, 20% wants, 20% savings. Or look for ways to reduce housing costs: roommates, refinancing, or relocating. Housing is the highest-leverage expense to optimize.

Where should my savings go first?

Follow this priority order: (1) Emergency fund to $1,000, (2) Employer 401(k) match — it's free money, (3) Pay off high-interest debt, (4) Full 3–6 month emergency fund, (5) Max IRA ($7,000/year in 2026), (6) Additional investments.

What counts as a "need" vs. a "want"?

Needs are survival-level: shelter, basic food, utilities, transportation to work, minimum debt payments. Wants are lifestyle choices: restaurants, premium subscriptions, new clothes beyond basics, vacations. Many expenses are partially needs and partially wants — a car payment might be a need, but a luxury car payment has a "want" component.

How often should I review my budget?

Monthly at minimum. Review after any major life change: new job, move, relationship change, new debt. Many people find a weekly 10-minute check-in keeps spending on track better than a monthly review alone.

Disclaimer: The content on Monetally is for informational purposes only and does not constitute financial, investment, tax, or legal advice. Always consult a licensed professional before making financial decisions. Full Disclaimer