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Budget Calculator — 50/30/20 Rule (Needs, Wants & Savings)

Build your monthly budget with the 50/30/20 framework. See your actual spending vs. ideal split across Needs, Wants, and Savings categories with a donut.

✓ Formula verified: January 2026For informational purposes only

Budget Calculator

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Monthly Surplus / (Deficit)
$1,670.00

Total Monthly Spending

$4,830.00

Needs — 52.3% of income (target: 50%)

$3,400.00

Wants — 12.8% of income (target: 30%)

$830.00

Savings — 9.2% of income (target: 20%)

$600.00

What if your monthly after-tax income changes? $5850 → $1,020.00 · $6500 → $1,670.00 · $7150 → $2,320.00

Scenario Comparison

Conservative (5%)
$16,470.09
$6,470.09 interest
Your scenario (7%)
$20,096.61
$10,096.61 interest
Aggressive (10%)
$27,070.41
$17,070.41 interest
High-risk (14%)
$40,224.71
$30,224.71 interest
Best return
Share your result
Budget Breakdown

You have a $1,670 monthly surplus — great work!

Monthly take-home: $6,500 — allocated $4,830, unallocated $1,670.

50/30/20 Split: Ideal vs. Actual

Ideal Split

50/30/20target
Needs
50.0%
Wants
30.0%
Savings
20.0%

Your Actual Split

+$1,670surplus
Needs
52.3%
Wants
12.8%
Savings
9.2%

Actual vs. Target by Category

Needs+$150 over
Actual$3,400
Target$3,250
Wants-$1,120 under
Actual$830
Target$1,950
Savings-$700 under
Actual$600
Target$1,300
CategoryActualTarget% of Income
Needs
$3,400$3,25052.3%/ 50%
Wants
$830$1,95012.8%/ 30%
Savings
$600$1,3009.2%/ 20%
Total Allocated$4,830$6,50074.3%

Budgeting Tip

The 50/30/20 rule is a starting point. If your needs exceed 50%, focus on reducing the largest fixed expenses first. Even moving savings from 5% to 10% of income can dramatically improve your financial trajectory over time.

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