50/30/20 Budget Calculator

Split your income into needs, wants and savings.

Monthly after-tax income

Results update as you type.

Needs (50%)

—

Wants (30%)—

Savings & debt (20%)—

How it works

The 50/30/20 rule is a simple, popular budgeting framework, and this calculator applies it to your income. You enter your monthly after-tax income, and it splits it into the three categories: 50 percent for needs, 30 percent for wants, and 20 percent for savings and debt repayment. Needs are essential expenses you must pay to live and work, such as housing, utilities, groceries, insurance, transportation, and minimum debt payments. Wants are the discretionary things that improve your life but are not strictly necessary, like dining out, entertainment, subscriptions, hobbies, and travel. The final fifth goes toward building financial security: contributing to savings, investing, an emergency fund, and paying down debt beyond the minimums. The appeal of the rule is its simplicity, giving a clear, memorable target without tracking dozens of categories, which makes it a great starting point for anyone new to budgeting. It uses after-tax, take-home income because that is what you actually control. The percentages are guidelines, not rigid limits; in high-cost areas needs may exceed 50 percent, requiring adjustment, and those aggressively paying debt or saving may shift more into the final bucket. Use this to set spending targets and see where your money should go. Enter your monthly income to get your 50/30/20 breakdown.

Formula

Needs = 50%, Wants = 30%, Savings = 20% of income

The 50/30/20 rule divides your after-tax income into three buckets: half goes to needs, essential expenses you cannot avoid; thirty percent to wants, discretionary spending; and twenty percent to savings and debt repayment beyond minimums. The calculator simply multiplies your income by 0.5, 0.3, and 0.2 to give each amount.

Source:Personal finance

We review all our tools from time to time to ensure accuracy.

Worked example

Monthly after-tax income:5000

$5,000 → $2,500 needs, $1,500 wants, $1,000 savings and debt.

How to use this calculator

1
Enter your values
Enter monthly after-tax income.
2
Adjust the options
Fine-tune any options to match your situation.
3
Read your result
Needs (50%) updates instantly as you type — no button to press.

Frequently asked questions

What is the 50/30/20 rule?

The 50/30/20 rule is a budgeting guideline that splits your after-tax income into 50 percent for needs, 30 percent for wants, and 20 percent for savings and debt repayment. It offers a simple, memorable framework for allocating money without detailed category tracking, making it popular for people starting to budget.

What counts as needs versus wants?

Needs are essentials you cannot avoid: housing, utilities, groceries, insurance, transportation, and minimum debt payments. Wants are discretionary: dining out, entertainment, subscriptions, hobbies, and travel. The line can blur, but a need is something you must pay to live and work, while a want improves your lifestyle but could be cut if necessary.

Should I use gross or after-tax income?

Use your after-tax, take-home income, because that is the money you actually control and spend. Taxes are withheld before you see your pay, so budgeting from gross income would overstate what you have. Enter your net monthly income for an accurate 50/30/20 split that matches your real available funds.

What if my needs exceed 50 percent?

In high-cost areas, essential expenses often exceed half of income, making a strict 50 percent unrealistic. The rule is a guideline, not a mandate. If needs run higher, trim the wants or savings percentages temporarily, and work toward increasing income or reducing fixed costs so your budget can move closer to the target over time.

Is 20 percent enough for savings?

Twenty percent is a solid baseline that builds savings, an emergency fund, and retirement over time while paying down debt. If you can save more, especially early in your career or to reach goals faster, shifting extra from wants into the savings bucket accelerates progress. The rule sets a minimum habit, not a ceiling.