50/30/20 Budget Calculator
Enter your monthly take-home pay and split it 50/30/20 — or set your own percentages.
How the 50/30/20 rule works
Popularized by Senator Elizabeth Warren in All Your Worth, the rule splits after-tax income three ways:
| Bucket | Belongs here | Common misfiles |
|---|---|---|
| Needs | Rent/mortgage, utilities, groceries, insurance, minimum debt payments, commuting, childcare, essential meds | Restaurant food is a want; the base phone plan is a need, the newest phone is a want |
| Wants | Dining out, streaming, travel, hobbies, upgrades, gym-you-could-cancel | “It was on sale” is still a want |
| Savings | Emergency fund, IRA/401(k) beyond payroll match, brokerage, extra debt payments above minimums | Minimum debt payments are a Need, not Savings |
Worked example
Take-home $4,800/month: $2,400 needs · $1,440 wants (≈ $332/week of guilt-free spending) · $960 to savings — $11,520 a year, which funds a starter emergency fund and a Roth IRA contribution with room left.
When to bend the rule
- High-cost cities: rent alone can eat 40%+. A 60/20/20 split keeps the savings rate honest while acknowledging reality; the fix over time is income growth or housing changes, not guilt.
- Aggressive goals (FIRE, debt attack): flip toward 50/20/30 or further — the framework is a floor for savings, not a ceiling.
- Low income: when needs exceed 50% no matter what, any nonzero savings percentage still builds the habit that matters most later.
- Gross vs. net: the rule uses take-home pay. If you contribute to a 401(k) via payroll, you’re already saving pre-tax — count it mentally toward the 20% rather than punishing yourself twice.
Making it stick
Three accounts, one automation each on payday: bills from checking (needs), a separate card or account for wants, and an automatic transfer to savings first. The rule’s real power isn’t precision — it’s that three buckets are few enough to maintain without a spreadsheet.
Frequently asked questions
Is 50/30/20 based on gross or after-tax income?
After-tax (take-home) pay. If payroll already deducts retirement savings or health premiums, add retirement deferrals mentally to your 20% bucket and treat premiums as a need — the goal is an honest picture, not double-counting.
Do minimum debt payments count as savings?
No — minimums are obligations, so they live in Needs. Anything above the minimum is wealth-building and counts in the 20%. That framing rewards extra payoff exactly like saving, which mathematically it is.
What if my needs are more than 50%?
Extremely common in expensive metros. Keep savings as high as you can sustain (even 10%), shrink wants before touching savings, and treat the 50% line as the long-term target guiding decisions — the next apartment, car, or job negotiation.
Is 20% savings enough to retire on?
Sustained from your 20s–30s with an employer match, roughly yes by common planning benchmarks (aiming to replace ~70–80% of income). Starting later usually needs more — 25–30%+ — which is where customizing the percentages above comes in.
Last reviewed: 2026-08-20 · Report an issue