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Formula & explanation
Budget Calculator uses the following calculation:
This is a simplified model intended for planning and education. Real-world offers from lenders, institutions, or tax authorities may include additional fees, rules, or adjustments not reflected here.
Frequently asked questions
What is the 50/30/20 rule?
A budgeting guideline suggesting roughly 50% of income go to needs, 30% to wants, and 20% to savings and extra debt payments.
What counts as a 'need' versus a 'want'?
Needs are essential and hard to avoid (housing, utilities, minimum debt payments); wants are discretionary (dining out, entertainment, subscriptions).
What if my needs exceed 50% of income?
That's common in high cost-of-living areas — consider it a flag to revisit either your fixed costs or your overall budget targets rather than a hard failure.