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Budgeting Calculator

The 50/30/20 Budget Rule

Enter your monthly take-home pay and see exactly where every dollar should go. The simplest budget framework that actually works.

Monthly Take-Home Pay

$

The money that actually hits your bank account each month. That's $60,000/year after taxes.

Your 50/30/20 Breakdown

Monthly

$5,000

50%

Needs

$2,500

Housing, utilities, groceries, insurance

30%

Wants

$1,500

Dining, entertainment, shopping, travel

20%

Savings

$1,000

Emergency fund, retirement, investments

Annual Savings

$12,000

10-Year Projection

$128,400

at 7% avg return

Daily Wants Budget

$50

guilt-free spending

Needs (50%)

$2,500/ mo
Rent / Mortgage$1,500
Utilities$250
Groceries$300
Health Insurance$200
Minimum Debt Payments$150
Transportation$100

Wants (30%)

$1,500/ mo
Dining Out$350
Entertainment$250
Shopping$300
Subscriptions$200
Travel$250
Hobbies$150

Savings (20%)

$1,000/ mo
Emergency Fund$250
Retirement (401k/IRA)$400
Investments$200
Extra Debt Payments$150

💬 Glen's Take

I spent my 20s ignoring every budget rule that existed. I ran a hedge fund, wrote about GSE stocks, traded options, and lived like the money would always keep coming. I'd have 10x more money today if I'd followed the 50/30/20 rule from day one.

The 20% savings is the non-negotiable — negotiate everything else. Your rent can flex. Your dining budget can flex. Your subscription list can flex. But the moment you start "borrowing" from your savings allocation, you're sliding down a hill that gets steeper every month.

Here's what nobody tells you: the 50/30/20 rule isn't about perfection. Some months you'll be 55/25/20. Some months 48/32/20. That's fine. The point is that the 20 stays at 20. Automate that transfer on payday and forget about it. Your future self will name a child after you.

Is the 50/30/20 Rule Still Realistic?

Let's be honest: for millions of Americans, keeping needs at 50% is a fantasy. The median rent in Manhattan is over $4,000/month. In San Francisco, it's $3,500+. If you're making $6,000/month take-home, rent alone is 58-67% of your income. The "50" in 50/30/20 was more achievable when Elizabeth Warren wrote the book in 2005 than it is today.

That doesn't mean the framework is useless — it means you need to adapt it. The principle matters more than the exact numbers. Here are realistic alternatives:

ScenarioNeedsWantsSavings
Standard50%30%20%
HCOL City60%20%20%
Extreme HCOL70%15%15%
LCOL / High Earner40%30%30%
FIRE Mode40%10%50%

Click "Use custom ratios" above to try any of these alternatives with your income.

Where Americans Actually Spend

Average US spending vs the 50/30/20 ideal (BLS Consumer Expenditure data)

NeedsIdeal: 50% / Actual: 58%
WantsIdeal: 30% / Actual: 32%
SavingsIdeal: 20% / Actual: 10%
Category% of IncomeBucketAt $5,000/mo
Housing33%Needs$1,650
Transportation16%Needs$800
Food (Groceries)7%Needs$350
Healthcare & Insurance8%Needs$400
Food (Dining Out)6%Wants$300
Entertainment5%Wants$250
Clothing & Personal4%Wants$200
Subscriptions & Other5%Wants$250
Education2%Wants$100
Retirement & Savings7%Savings$350
Other Savings / Debt3%Savings$150
Cash Surplus / Misc4%Wants$200

The gap is real. The average American saves ~10% — half of what the 50/30/20 rule recommends. Meanwhile, needs consume 58% instead of 50%. The "wants" category is roughly on target, which means most people sacrifice savings to cover housing and transportation costs.

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