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Budget Calculator
Split your monthly income into needs, wants and savings with the 50/30/20 rule. Enter your after-tax income, then press Calculate.
Written by TopicDrill Editorial Team·Updated June 2026
50/30/20 breakdown
Needs (50%) Wants (30%) Savings (20%)
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How the 50/30/20 budget works
The 50/30/20 rule is a simple framework for dividing your take-home pay. Half goes to needs, the essentials you cannot easily avoid. Thirty percent goes to wants, the lifestyle spending that makes life enjoyable. The final twenty percent goes to savings and paying down debt faster than the minimum. The breakdown bar above shows those three slices at a glance.
The appeal of the rule is its simplicity. Instead of tracking dozens of line items, you steer three broad categories. If you earn $5,000 a month after tax, that is $2,500 for needs, $1,500 for wants and $1,000 for savings. Those targets give you a quick gut check on whether your spending is in balance.
Making the rule work for you
The percentages are a starting point, not a law. In expensive cities, needs frequently climb above 50%, so people borrow from the wants bucket to keep savings intact. If you are aggressively paying off high-interest debt or saving for a near-term goal, you might flip toward a 50/20/30 or even 50/10/40 split. The key is being deliberate about where each dollar goes.
Things to keep in mind
Always budget from after-tax income, and revisit the split whenever your pay or fixed costs change. For broader money guidance, the Consumer Financial Protection Bureau offers free budgeting tools. You can also pair this with our other financial calculators to plan savings and debt payoff.
Frequently asked questions
What is the 50/30/20 budget rule?
The 50/30/20 rule splits your after-tax income into three buckets: 50% for needs, 30% for wants, and 20% for savings and debt repayment. It was popularized by Senator Elizabeth Warren and is widely used because it is simple to remember and flexible.
What counts as a need versus a want?
Needs are essentials you cannot easily skip, such as rent or mortgage, utilities, groceries, insurance, minimum debt payments and transport to work. Wants are discretionary, such as dining out, streaming services, hobbies, travel and upgrades you could live without.
Should I use gross or after-tax income?
Use your after-tax, take-home income, the amount that actually lands in your account each month. Budgeting from gross income overstates what you can spend because taxes and payroll deductions are taken out before you ever see the money.
What if my needs are more than 50%?
In high-cost areas needs often exceed 50%, which is common and not a failure. Treat the rule as a target, not a hard limit. If needs run high, trim the wants category first and protect savings where you can, then revisit larger fixed costs like housing over time.
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