Budget Rules · Calculator

Free 50/30/20 vs Actual Comparison

What is a 50/30/20 comparison calculator?

You know your 50/30/20 targets — this tool shows how your actual spending compares bucket by bucket.

Enter take-home pay and what you really spend on needs, wants, and savings each month. See over/under vs the rule.

Actual − 50/30/20 target = Gap per bucket

Get target amounts from the 50/30/20 calculator. Background in our 50/30/20 guide.

Real-life example (try this in the calculator)

Riley earns $4,200/month and tracks actual spending: $2,500 needs, $900 wants, $500 savings.

Line item Amount Calculator field
Monthly take-home $4,200 Monthly take-home pay ($)
Actual needs $2,500 Actual needs ($)
Actual wants $900 Actual wants ($)
Actual savings $500 Actual savings ($)
Targets: $2,100 / $1,260 / $840 — Riley is $400 over on needs, $360 under on wants, $340 under on savings.

Tap Use example for Riley's comparison.

How to read your results

  • Needs gap vs 50% target — Positive = spending more than 50% on needs. Negative = under the needs target.
  • Wants gap vs 30% — Positive = over the wants target. Negative = room under 30%.
  • Savings gap vs 20% — Positive = saving more than 20%. Negative = below the savings target.

One hot month is normal — look at 3-month averages in Ziko before big lifestyle changes.

Quick questions

Real life rarely hits exact percentages — use gaps as direction, not a grade.
Common in high-rent areas — focus on savings gap and income before guilt about needs.
Yes — minimum payments are needs; extra principal counts as savings.

Turn this into a real monthly plan. Set income, caps, and alerts in Ziko — free, no bank login.

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