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Budget Calculator

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Needs
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$
$
$
$
Wants
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Savings
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Total Expenses
$0.00
Remaining
$0.00
50/30/20 Targets vs. Your Budget
Needs (50% target)$0.00 · you: $0.00
Wants (30% target)$0.00 · you: $0.00
Savings (20% target)$0.00 · you: $0.00
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What Your Result Means

How This Calculator Works

You enter your monthly take-home income and spending across eight categories grouped into needs, wants, and savings. The tool sums each group, subtracts the total from income to get remaining cash, and compares your actual spending to the dollar amounts implied by the 50/30/20 rule. It assumes all figures are monthly and post-tax. Irregular expenses like annual insurance premiums should be divided by 12 before entry.

Quick Questions

What is the 50/30/20 rule?

It's a budgeting guideline popularized by Senator Elizabeth Warren suggesting you allocate 50% of after-tax income to needs, 30% to wants, and 20% to savings and debt repayment. It works as a starting point, but high-cost-of-living areas often require adjustments.

Should I use gross or net income?

Use net (take-home) income — what actually hits your bank account after taxes, retirement contributions, and insurance deductions. The 50/30/20 targets are designed around after-tax dollars.

Where do debt payments go — needs or savings?

Minimum debt payments on essentials (mortgage, car loan) are typically "needs." Extra payments above the minimum and all savings contributions fall under the 20% savings bucket.

What if my needs exceed 50%?

That's common in expensive metro areas. Focus on keeping total spending under income first, then look for ways to reduce the biggest line items — housing and transportation typically offer the largest potential savings.

Does this account for irregular expenses?

Not automatically. Divide annual or quarterly bills (car insurance, property taxes, holiday gifts) by 12 and include them in the appropriate category for a more accurate monthly picture.

Sources

Method & review

MethodologyHow we calculate this Reviewed & Updated2026-04 Next review2027-04

Estimate only. Results reflect your inputs and standard formulas — they are not financial, tax, legal, health, or investment advice. Verify important decisions with a qualified professional.