50/30/20 Budget Calculator
The 50/30/20 rule: half your after-tax income to needs, 30% to wants, 20% to savings and debt payoff. Enter your take-home pay for your exact split — and adjust the percentages if your city is expensive.
Your monthly savings number
$0
- Per year, that's
- $0
- Needs (rent, groceries, bills)
- $0
- Wants (fun, dining, travel)
- $0
- Weekly “wants” allowance
- $0
- Savings in 20 yrs at 7%
- $0
Minimum debt payments are needs; anything beyond them counts as savings.
Your paycheck at a glance
How to use this calculator
- Enter your monthly take-home pay — what actually lands in your account.
- Pick a preset, or tune the three percentages to your city and stage of life.
- Read the three dollar amounts — the savings figure is the one to automate first.
- Check the weekly “wants” allowance: it's the number that makes day-to-day decisions easy.
What lives in each bucket
| Bucket | Classic share | What goes here |
|---|---|---|
| Needs | 50% | Rent/mortgage, utilities, groceries, insurance, minimum debt payments, transport, childcare |
| Wants | 30% | Dining out, streaming, hobbies, travel, upgrades beyond the basic version of a need |
| Savings | 20% | Emergency fund, 401(k)/IRA, investing, extra debt payoff beyond minimums |
Worked example: $5,000/month take-home
Direct answer: save $1,000, cap needs at $2,500, and spend $1,500 guilt-free. That $1,000/month pointed at a 7% return becomes roughly $520,000 in 20 years — the results card above computes the same projection for your own numbers.
Why the rule works when detailed budgets fail
Line-item budgets fail for the same reason crash diets do: they demand constant willpower. The 50/30/20 rule needs exactly one act of discipline per month — moving the savings percentage out on payday — and then everything else is allowed. The wants bucket isn't a leak in the plan; it's the pressure valve that keeps the plan alive. If you overspend on dining, it shows up as a wants problem to rebalance, not a moral failing to abandon budgeting over.
50/30/20 budget examples at real incomes
Three paychecks through three splits — all computed by this calculator. Click one to load it with your preset.
- First real salary
$3,800 take-home, classic 50/30/20
A first professional paycheck in a mid-cost city.
Needs $1,900 · wants $1,140 · savings $760 — with a guilt-free $263/week fun allowance.
Load this scenario in the calculator → - High-cost city
$6,500 take-home in NYC, 60/20/20
Rent breaks the 50% cap, so the split adapts instead of being abandoned.
Needs $3,900 · wants $1,300 · savings $1,300 — the savings share survives the rent.
Load this scenario in the calculator → - Dual income, no kids
$9,000 combined, aggressive 40/30/30
Two salaries, low fixed costs, and a plan to front-load wealth building.
Savings of $2,700/month — pointed at 7% for 20 years, that stream becomes about $1.41 million.
Load this scenario in the calculator →
Frequently asked questions
What is the 50/30/20 rule?
A budgeting shortcut popularized by Senator Elizabeth Warren: 50% of after-tax income to needs (housing, groceries, utilities, insurance, minimum debt payments), 30% to wants (dining, entertainment, travel), 20% to savings and extra debt payoff. On $5,000 monthly take-home: $2,500 / $1,500 / $1,000.
Is the rule based on gross or net income?
Net — your actual take-home pay after taxes and deductions. If retirement contributions are withheld pre-tax, count them toward your 20% savings bucket; they're savings you already did.
What if my needs are more than 50% of my income?
Common in high-cost cities. Switch to an adjusted split like 60/20/20 or 70/20/10 (presets above) instead of abandoning budgeting. The habit that matters is a fixed savings percentage — even 10% — that ratchets up as income grows.
Does the 20% savings include retirement?
Yes. Emergency fund contributions, 401(k)/IRA, investing, and debt payments beyond minimums all live in the 20%. Minimum debt payments count as needs — skipping them isn't optional.
Is a want or a need sometimes ambiguous?
Constantly — and the boundary is where the rule does its work. A car payment is a need; the upgrade from a $300/month car to a $650/month car is a want wearing a need's clothes. When unsure, ask: would I still pay for this version of the expense if my income stopped?
Is 20% savings actually enough?
For someone starting in their 20s, 15–20% sustained typically funds a normal retirement. Late starters, early-retirement aspirants, or people with pensions to replace should push the savings share higher — try the aggressive 40/30/30 preset and see what your budget tolerates.