The 50/30/20 rule is a popular simplified budgeting framework: 50% of take-home income toward needs (rent, groceries, utilities, minimum debt payments), 30% toward wants (dining out, entertainment, hobbies), and 20% toward savings and extra debt repayment.
This calculator applies that split directly to your monthly take-home income, giving you three clear dollar targets to guide monthly spending across each category.
This is a starting framework rather than a rigid rule — in high cost-of-living areas, needs often exceed 50% of income, and adjusting the percentages to fit your actual circumstances is more useful than forcing a strict split that doesn't match your reality.
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Frequently asked questions
What counts as a 'need' versus a 'want'?
Needs are essential costs you can't easily eliminate — housing, utilities, groceries, minimum debt payments, insurance — while wants are more discretionary, like dining out, entertainment, subscriptions, and hobbies.
What if my needs take up more than 50% of my income?
This is common, especially in high cost-of-living areas — the 50/30/20 split is a general guideline, and adjusting the percentages to fit your actual situation is more practical than forcing an unrealistic split.