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50/30/20 Budget Calculator
Enter your monthly take-home pay and see it split into needs, wants, and savings — the simplest budget there is. Free, no signup.
Customize the split (optional)
The short answer
The 50/30/20 rule splits your after-tax income three ways: 50% needs, 30% wants, 20% savings and debt payoff. It comes from All Your Worth (2005) by Elizabeth Warren and Amelia Warren Tyagi.
Its value is not precision — it is that it takes about ninety seconds and gives you a directionally correct answer. Most people who have never budgeted are not overspending by 3%; they are overspending by 30%, and a rough framework catches that immediately.
Use take-home pay, not gross salary
This is the mistake that ruins the rule. The 50/30/20 split applies to net pay — what actually lands in your account — not the salary on your offer letter.
Why it matters so much
Someone on a $60,000 salary might take home closer to $3,800 a month after federal tax, FICA and a retirement contribution. Budgeting from $5,000 a month instead inflates every bucket by roughly 30% and produces a plan that cannot be funded — which usually gets blamed on the person rather than the arithmetic.
Not sure what your net pay actually is? Work it out first with the paycheck calculator, then come back.
The split at every income level
| Monthly take-home | Needs (50%) | Wants (30%) | Savings (20%) | Saved per year |
|---|---|---|---|---|
| $2,500 | $1,250 | $750 | $500 | $6,000 |
| $3,000 | $1,500 | $900 | $600 | $7,200 |
| $3,500 | $1,750 | $1,050 | $700 | $8,400 |
| $4,000 | $2,000 | $1,200 | $800 | $9,600 |
| $4,500 | $2,250 | $1,350 | $900 | $10,800 |
| $5,000 | $2,500 | $1,500 | $1,000 | $12,000 |
| $6,000 | $3,000 | $1,800 | $1,200 | $14,400 |
| $7,500 | $3,750 | $2,250 | $1,500 | $18,000 |
Need or want? The hard cases
Sorting rent and groceries is easy. The rule lives or dies on the ambiguous middle, so here is a working rule: a need is the minimum viable version; the upgrade is a want.
| Category | Need | Want |
|---|---|---|
| Food | Groceries | Restaurants, delivery, coffee out |
| Transport | Getting to work — bus pass, fuel, basic insurance | Upgrading to a nicer car than you need |
| Phone | A working plan | The premium tier and the latest handset |
| Debt | Minimum payments | Extra payments go in savings |
| Housing | Rent or mortgage, utilities | A bigger place than you need |
| Clothing | Work-appropriate basics | Fashion purchases |
| Internet | A connection (usually required for work) | Streaming subscriptions on top |
| Health | Insurance premiums, prescriptions | Gym membership (defensible either way) |
The rule that resolves most arguments
Minimum debt payments are needs. Extra payments are savings. Missing a minimum causes real damage, so it is an obligation. Paying beyond it is a choice to improve your position — which is exactly what the 20% bucket is for.
When 50/30/20 doesn't fit
The honest weakness of this rule: it assumes housing is affordable. In expensive metros, rent alone can consume 40–50% of take-home pay, leaving nothing for the other needs that are supposed to share the same 50%.
If that is you, the rule has not failed and neither have you. The 50% figure was a reasonable target in 2005; where housing costs have outrun incomes, the ratio simply needs adjusting. What matters is that the savings bucket exists at all — even at 5%.
Two other cases where a straight 50/30/20 misleads:
- High-APR debt. Carrying credit card debt at 20%+ makes a balanced split actively expensive. Temporarily shifting wants into payoff wins outright — see the debt payoff calculator for what the interest actually costs.
- Irregular income. Freelancers should set aside tax first, then apply the split to what remains, and budget on their lowest typical month rather than their average.
Variants that do fit
Every row below is on $4,000 monthly take-home. Use the Customize the split control in the calculator to run any of them.
| Split | Use when | Needs | Wants | Savings |
|---|---|---|---|---|
| 50/30/20 | Housing is affordable; the default | $2,000 | $1,200 | $800 |
| 60/30/10 | High cost of living — rent dominates | $2,400 | $1,200 | $400 |
| 70/20/10 | Survival mode; still saving something | $2,800 | $800 | $400 |
| 50/20/30 | Aggressive debt payoff or savings goal | $2,000 | $800 | $1,200 |
Note what happens between the first and last rows: cutting wants from $1,200 to $800 raises savings from $800 to $1,200 — a 50% increase in the savings rate from one adjustment. The wants bucket is almost always where the flexibility lives.
How this calculator works
Deliberately simple. The value of this rule is not in the arithmetic, it is in forcing you to sort your spending into three honest piles. The calculator remembers your pay figure in your browser's local storage so you do not have to retype it, and nothing is sent anywhere.
The one habit that makes it work
Automate the savings percentage on payday. Move it out before you can spend it. Budgets that rely on saving whatever is left at month end almost always save nothing, because there is never anything left.
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Glossary
- Take-home pay (net pay)
- What actually reaches your bank account after tax, FICA and payroll deductions. The only correct input for this rule.
- Gross pay
- Your salary before any deductions. Using this instead of net pay is the most common way to build a budget you cannot fund.
- Needs
- Spending you cannot reasonably avoid — housing, utilities, groceries, transport to work, insurance, and minimum debt payments.
- Wants
- Optional spending, including the upgraded version of a need. Dining out, subscriptions, hobbies, travel.
- Savings rate
- The share of take-home pay you save or put toward extra debt payments. The 20% bucket is a starting target, not a ceiling.
- Zero-based budget
- A method where every dollar is assigned a specific job until nothing is unallocated. More precise than 50/30/20, and more work.
- Sinking fund
- Money set aside monthly for a known future expense — annual insurance, car registration, holidays — so it never arrives as a shock.
Frequently asked questions
What is the 50/30/20 budget rule?
Split after-tax income into 50% needs, 30% wants, 20% savings and debt payoff. Popularised by Elizabeth Warren and Amelia Warren Tyagi in All Your Worth (2005).
Gross or take-home pay?
Take-home, always. Using gross inflates every bucket by your tax rate and produces an unfundable plan. Check yours with the paycheck calculator.
What counts as a need vs a want?
A need is the minimum viable version; the upgrade is a want. Groceries are a need, restaurants are a want. See the full table.
Do minimum debt payments go in needs or savings?
Minimums are needs — skipping them causes real damage. Anything above the minimum belongs in the 20% bucket.
What if my needs are more than 50%?
Very common in expensive cities. Use 60/30/10 or 70/20/10 rather than giving up — what matters is that a savings bucket exists at all.
How much should I save on $4,000 take-home?
$800/month under a strict split — $9,600 a year. On 60/30/10 it is $400. See the income table.
Is 50/30/20 good for paying off debt?
It is a fine start, but with 20%+ APR debt a temporary 50/20/30 clears it much faster. Interest at that rate costs more than almost any saving earns.
Does the 20% include employer retirement match?
No — a match is not money leaving your take-home pay. Pre-tax contributions are already gone before you see net pay, so simplest is to count only what you move after payday.
What about freelance or irregular income?
Set aside tax first, then apply the split to what remains. Budget on your lowest typical month, not your average.
How do I handle annual bills?
Divide by twelve and treat it as a monthly need, setting the money aside. Annual bills are the classic reason a budget works on paper but fails in practice.
Is 50/30/20 better than a zero-based budget?
Different tools. 50/30/20 takes minutes and is directionally right; zero-based is precise but ongoing work. Many people start here and graduate later.
Is my data private?
Yes. Everything runs in your browser; your pay figure is kept only in your own browser's local storage and is never uploaded.
Sources and further reading
- All Your Worth: The Ultimate Lifetime Money Plan (2005), Elizabeth Warren and Amelia Warren Tyagi — the book that introduced the 50/30/20 framework.
- Consumer Financial Protection Bureau — consumer tools — free budgeting worksheets and guidance from the US regulator.
- Bureau of Labor Statistics — Consumer Expenditure Survey — official data on what US households actually spend by category.
- MyMoney.gov — the US government's financial education portal.
- Calculation logic is the open JavaScript source behind the calculator; the formula is reproduced under how this calculator works.
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BudgetBee provides free educational tools, not financial advice. The 50/30/20 rule is a general framework, not a personalised recommendation, and the right split depends on your circumstances. Verify important decisions with a qualified professional.