— Budgeting
50/30/20 Budget Calculator
Apply the 50/30/20 rule to monthly take-home pay: 50% needs, 30% wants, 20% savings and debt. Adjust the ratios, compare actual spending, and see exactly which buckets are over target.
Save & repay debt (20%)
$1,000
- Needs budget (50%)
- $2,500
- Wants budget (30%)
- $1,500
Try: $5,000 take-home, vs your actual spending, High-cost area (60/30/10), Aggressive saving (50/20/30)
— Needs / wants / savings — target vs actual
| Bucket | Target | Share |
|---|---|---|
| Needs | $2,500 | 50% |
| Wants | $1,500 | 30% |
| Savings / debt | $1,000 | 20% |
| Total | $5,000 | 100% |
— The three-way split
Download— How it works
Needs = 50% of net income, Wants = 30%, Savings/debt = 20% (or your custom split). Gap = actual spending − target for each bucket. The percentages are applied to take-home (after-tax) income.
The rule, and the after-tax catch
Popularised by Senator Elizabeth Warren, the 50/30/20 rule divides your take-home pay three ways: half to needs, a third to wants, a fifth to your financial future. Its genius is simplicity — three buckets you can hold in your head, no spreadsheet required. The one thing people get wrong is the base: the percentages apply to net, after-tax income, not gross. Budget 20% of your gross salary to savings and you’ll fall short once tax and deductions are taken out. This calculator works from take-home pay, so the targets are real.
Worked example — $5,000 monthly take-home: Needs (50%) = $2,500 · Wants (30%) = $1,500 · Savings/debt (20%) = $1,000. That $1,000 a month — saved and invested — is what turns a salary into wealth over time.
What goes where
Needs are the essentials you can’t easily skip: rent or mortgage, utilities, groceries, transport to work, insurance, and the minimum payments on any debt. Wants are everything that makes life enjoyable but isn’t essential — dining out, streaming, hobbies, the upgraded phone, holidays. Savings and debt covers retirement contributions, an emergency fund, investments, and crucially any debt repayment beyond the minimums (which count as a need). The line between a need and a want is often blurry — a basic phone is a need, the latest model a want — and being honest about it is where the rule earns its keep.
When 50/30/20 doesn’t fit
The ratio is a starting point, not gospel. In an expensive city, rent alone can swallow 40% of take-home pay, making a strict 50% for all needs impossible — a 60/30/10 split is more honest, even if the lower savings rate stings. On a higher income, flip it: needs may take far less than half, freeing up a 50/20/30 split that saves aggressively. Enter your actual spending and the calculator shows the gap for each bucket — almost always, wants are where the slack is, and the easiest place to claw back toward your savings target. This is a planning rule of thumb, not financial advice. For a full line-by-line budget, use the Budget calculator.
— Reader questions
How does the 50/30/20 rule work?
You split your after-tax income three ways: 50% on needs (essentials), 30% on wants (non-essentials), and 20% on savings and extra debt repayment. On $5,000 of take-home pay, that’s $2,500, $1,500 and $1,000.
Is the 50/30/20 rule based on gross or net income?
Net — your take-home pay after tax and deductions. Applying the percentages to gross income overstates what you can spend and save, because a chunk of gross never reaches your account. This is the most common mistake people make.
What counts as a need versus a want?
Needs are essentials: housing, utilities, groceries, transport, insurance and minimum debt payments. Wants are discretionary: dining out, entertainment, subscriptions, hobbies and shopping. Debt repayment above the minimum counts in the 20% savings bucket.
What if my needs are more than 50%?
Common in high-cost areas. A 60/30/10 split is more realistic, accepting a lower savings rate temporarily. The goal is a sustainable plan — better to save 10% consistently than to set a 20% target you can’t meet and abandon.
Does the 20% include debt repayment?
Yes — extra debt repayment beyond the minimum payments goes in the 20% savings-and-debt bucket, alongside emergency savings and investments. Minimum required payments, however, count as a need in the 50%.