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finance ToolUpdated 2026-09-20

Budget Calculator (50/30/20 Rule)

The 50/30/20 rule is an intuitive budgeting framework popularized by Senator Elizabeth Warren. Enter your monthly after-tax income to see exactly how much you can spend on needs, wants, and savings.

Frequently Asked Questions

What counts as a "Need" versus a "Want"?

Needs are unavoidable essentials required for survival and employment (rent, groceries, electricity, car insurance). Wants are non-essential quality-of-life expenses (dining out, streaming services, vacations).