50/30/20 Budget Calculator
Apply the 50/30/20 budgeting rule to your monthly take-home income. See exactly how much to allocate to needs, wants, and savings — and optionally compare against what you actually spend.
Your 50/30/20 Budget
The 50/30/20 Rule
This popular budgeting framework divides your after-tax income into three buckets:
- 50% — Needs: Housing (rent/mortgage), utilities, groceries, healthcare, minimum debt payments, basic transportation
- 30% — Wants: Dining out, streaming subscriptions, gym, vacations, shopping, hobbies
- 20% — Savings & Debt: Emergency fund, retirement contributions, extra debt payments, investing
Customizing the Rule
The 50/30/20 split is a starting point. In high-cost cities, needs may take 60–65%. Aggressive savers may push savings to 30–40%. The core principle: savings is not optional — it's a fixed budget category, not whatever's left over.
Worked Example: $5,000/Month Take-Home Pay
On a $5,000 monthly after-tax income, the 50/30/20 rule recommends: $2,500 for needs (rent $1,400, utilities $150, groceries $400, minimum debt payments $300, transportation $250); $1,500 for wants (dining out $300, streaming and subscriptions $80, gym $50, clothing $200, entertainment $200, personal care $150, miscellaneous $520); $1,000 for savings (emergency fund top-up $500, 401k contribution $400, extra debt payment $100). If you are currently spending $2,100 on needs, $1,700 on wants, and only $200 on savings, the calculator shows you are over by $200 on wants and under by $800 on savings — a clear signal to redirect discretionary spending.
How to Allocate the 20% Savings Category
Not all savings are equal. Prioritize in this order: first, build a $1,000 starter emergency fund so a minor crisis doesn't derail you. Second, capture any 401(k) employer match — this is 50–100% instant return on your contribution. Third, pay off high-interest debt (above 7–8% APR) aggressively. Fourth, fully fund a 6-month emergency fund. Fifth, maximize HSA contributions if eligible. Sixth, contribute to a Roth IRA. Seventh, invest any remaining surplus in taxable accounts.
| Monthly Income | 50% Needs | 30% Wants | 20% Savings |
|---|---|---|---|
| $3,000 | $1,500 | $900 | $600 |
| $4,000 | $2,000 | $1,200 | $800 |
| $5,000 | $2,500 | $1,500 | $1,000 |
| $7,500 | $3,750 | $2,250 | $1,500 |
| $10,000 | $5,000 | $3,000 | $2,000 |
Frequently Asked Questions
Is 50/30/20 realistic on a low income?
On lower incomes, basic needs often consume more than 50% of take-home pay — especially in expensive cities. If that's your situation, focus on the 20% savings category even at a smaller percentage, and work to reduce fixed costs over time. The framework's value is in making savings non-negotiable, not in hitting the exact percentages.
What counts as a "need" vs. a "want"?
Needs are expenses required for basic functioning: rent, utilities, minimum debt payments, groceries, and essential transportation. Wants are everything else — dining out, subscriptions, vacations, upgrades. The line can be blurry: a basic phone plan is a need; the latest smartphone is a want. When in doubt, ask whether you could get by without it for a month.
Should I count gross or net income?
Use your after-tax (net) take-home pay as the base — taxes are already spent before you see them. Include all regular income sources: salary, freelance income, side business revenue. Exclude one-time windfalls unless you have a consistent pattern of receiving them.
How do I handle irregular income with 50/30/20?
For variable income, base the budget on your lowest typical monthly income. In higher-earning months, direct the surplus entirely to savings. This creates a floor for necessities and turns good months into wealth-building opportunities rather than spending spikes.
The 50/30/20 rule is simpler than zero-based budgeting (where every dollar is assigned a job) and more flexible than envelope budgeting (which uses cash divided into physical or digital spending categories). It's best for people who want a framework without detailed tracking. If you need more control over specific spending categories, zero-based budgeting provides that precision.
Always budget with net (after-tax) take-home pay. Taxes are deducted before your paycheck arrives, so they aren't available for budgeting. Net income is what you actually have to work with. If you have irregular deductions like 401(k) contributions taken pre-tax, decide whether to count those as part of your 20% savings or exclude them from income — either approach works as long as you're consistent.