50/30/20 Budget Calculator
Needs, wants and savings amounts from your monthly take-home pay under the 50/30/20 rule or another split, compared with what you actually spend, with the adjustments needed and annual savings.
| Needs | — |
|---|---|
| Wants | — |
| Savings & debt repayment | — |
| Per week / per day | — |
| Your actual split | — |
| Adjustments | — |
| Savings over a year at this plan | — |
In short
The 50/30/20 rule splits take-home pay into 50% needs (housing, utilities, groceries, transport, insurance, minimum debt payments), 30% wants and 20% savings and extra debt repayment. On 4,500 a month that is 2,250 / 1,350 / 900; in high-rent cities 60/20/20 is a common variant, and the savings line should never be zero.
Who this is for: Anyone setting up a simple monthly budget from take-home pay.
The 50/30/20 rule
- 50% needs — what you must pay to live and work: housing, utilities, groceries, transport, insurance, minimum debt payments, childcare.
- 30% wants — everything optional: restaurants, streaming, holidays, gadgets, gym, gifts.
- 20% savings — emergency fund first, then retirement and investments, then extra debt repayment.
- Grey areas: a car payment is a need, a more expensive car than you need is partly a want; a phone is a need, the flagship model is a want.
- Variants: 60/20/20 for high-rent cities, 50/20/30 for aggressive savers, 70/20/10 when income is tight — the savings line should never be zero.
- Popularised by Elizabeth Warren in All Your Worth; it is a starting framework, not a law.
Assumptions
- Amounts = income × split percentages, which must total 100.
- Actual split = entered spending ÷ income; unaccounted = income − entered total.
- Adjustments compare each actual line with its plan amount.
Worked example
Plan: 2,250 needs / 1,350 wants / 900 savings. Actual split 58 / 27 / 9 with 300 unaccounted for. Needs are 350 over, savings 500 short — moving 150 of wants and the 300 of untracked spending to savings would get close. At plan, savings reach 10,800 a year.
Frequently asked questions
Is 50/30/20 before or after tax?
After tax — take-home pay. Pre-tax pension contributions count towards the 20%.
What if my rent alone is 50% of income?
Use 60/20/20 or 70/20/10 for now and keep the savings line alive; the rule is a direction, and housing cost relative to income is the thing to fix over time.
Does debt repayment count as savings?
Minimum payments are needs; anything above the minimum is savings, because it increases your net worth.
Is 20% savings enough?
It is a sound default; aim higher if you started late or want to retire early (the FIRE calculator shows what a higher rate buys).
How do I split 5,000 a month with 50/30/20?
2,500 needs, 1,500 wants, 1,000 savings.
What counts as a need vs a want?
A need is what you must pay to live and work; a want is anything you could stop tomorrow without real hardship. Upgrades on needs are wants.
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