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
-
- 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.
How your paycheck splits
Each block is sized by its share, so you can see whether needs or wants is the bigger part without reading a single number.
Move it and watch
-
at {v} for monthly after-tax income
And what you can change
Why your own figure may differ
How to use the 50/30/20 budget 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 →
Common questions about the 50/30/20 budget
What is the 50/30/20 rule?
A simple way to split your pay after tax. Half goes on things you must pay for, like rent, food and bills. Three tenths on things you want. Two tenths on saving and clearing debt faster. 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. Starting late? Hoping to stop work early? Then save more than a fifth. Try the 40/30/30 setting and see what your budget can take.