50/30/20 Budget Calculator

Needs 50 · Wants 30 · Savings 20 — vs what you actually spend
After-tax income that actually reaches your bank account each month.
Optional: what you actually spend
Fill any bucket below to compare your real spending with the rule. Leave blank to skip the comparison.
Needs budget (50%)
Wants budget (30%)
Savings target (20%)
Your actual savings rate
Biggest over-budget bucket

The rule in one line

Half your take-home for needs, about a third for wants, at least a fifth to savings and debt payoff. Add your actual spending to see exactly where you drift.

Related tools

What counts as a need, a want, or savings?

Not a straitjacket: in expensive cities, needs can legitimately reach 60–65%. Use the advanced custom split to model your reality — the goal is knowing the split, not worshipping one number.

If a bucket is over budget

Frequently asked questions