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50/30/20 Budget Calculator

Enter your monthly take-home pay to see your recommended split between needs, wants, and savings, then compare it against what you're actually spending.

$

Income after taxes

Recommended 50/30/20 Split
50%
30%
20%
Needs (50%)
Wants (30%)
Savings & Debt Payoff (20%)
Needs
$2,500/mo
Rent/mortgage, groceries, utilities, insurance, minimum debt payments
Wants
$1,500/mo
Dining out, entertainment, subscriptions, travel, hobbies
Savings & Debt Payoff
$1,000/mo
Retirement contributions, emergency fund, extra debt payments
Compare to my actual spending
What is the 50/30/20 budget rule?
The 50/30/20 rule is a simple budgeting framework that splits your after-tax income into three buckets: 50% for needs, 30% for wants, and 20% for savings and debt payoff. It was popularized by Senator Elizabeth Warren and Amelia Warren Tyagi in their book All Your Worth, and it remains popular because it doesn't require tracking every category of spending down to the dollar.
Instead of building a detailed line-item budget, you just check whether your spending in each of the three buckets is roughly in proportion. If your needs are eating up 65% of your paycheck, that's a signal worth acting on even without a full breakdown of every expense.
What counts as a "need" versus a "want"?
Needs are the expenses you would still have to pay even if your income dropped significantly: rent or mortgage, groceries, utilities, insurance, minimum debt payments, and basic transportation. Wants are the expenses that improve your quality of life but aren't essential to keep the lights on: dining out, streaming subscriptions, travel, hobbies, and upgraded versions of things you already need (a nicer apartment than you require, a car payment beyond what's necessary to get around).
The line isn't always obvious. A gym membership might be a need if it's your only exercise outlet, or a want if it's a luxury add-on. The goal isn't perfect precision, it's an honest gut check on which expenses you could cut in a pinch and which you couldn't.
What if my needs already take up more than 50% of my income?
This is common in high cost-of-living areas, where rent alone can consume 40% or more of take-home pay. If your needs exceed 50%, the 50/30/20 split becomes a target to work toward rather than a rule you're currently meeting. Options include reducing housing costs (a roommate, a smaller unit, relocating), increasing income, or temporarily borrowing percentage points from the wants category until your needs share comes down.
What matters most is protecting the 20% savings bucket where possible, even if it means the wants category shrinks toward zero for a while. A savings rate of even 10-15% still compounds meaningfully over time, so don't let a stretched needs budget become an excuse to save nothing at all.
Does the 20% savings bucket include retirement and debt payoff?
Yes. In the original 50/30/20 framework, the savings bucket covers retirement contributions (401(k), IRA), building an emergency fund, and any debt payments beyond the minimums required (extra payments toward a mortgage, car loan, or credit card balance). Minimum debt payments belong in the needs bucket since they're contractually required regardless of your financial situation.
If you're paying down high-interest debt like credit cards, it often makes sense to direct most of this 20% toward payoff first, since eliminating a 20%+ APR balance is a better return than most investments. Once high-interest debt is cleared, the bucket typically shifts toward retirement and other long-term savings.

See how your cashflow stacks up

Calm Sea categorizes your expenses and tracks it against your income, savings, and net worth in one view.