50/30/20 Budget Calculator
Split take-home pay into needs, wants and savings.
Enter your values
Enter the monthly take-home pay in $.
Enter the actual spend on needs in $.
Enter the actual spend on wants in $.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Recommended savings
- $840.00
- Actual savings left
- $800.00
- Needs budget (50%)
- $2,100.00 — you spend $2,300.00
- Wants budget (30%)
- $1,260.00 — you spend $1,100.00
- Savings rate
- 19%
Working
- 1You are $40.00 short of the 20% target.
Quick answer
The 50/30/20 rule allocates 50% of take-home pay to needs, 30% to wants and 20% to savings and debt repayment.
Needs 50% · Wants 30% · Savings 20%
At a glance
| What it does | Split take-home pay into needs, wants and savings. |
|---|---|
| Category | Finance |
| Inputs needed | Monthly take-home pay, Actual spend on needs, Actual spend on wants |
| Main output | Recommended savings |
| Formula | Needs 50% · Wants 30% · Savings 20% |
| Cost | Free — no sign-up, no download |
How to use the 50/30/20 Budget Calculator
- 1Enter your monthly pay after tax.
- 2Add what you actually spend on needs and wants.
- 3Compare against the 50/30/20 targets.
Inputs explained
- Monthly take-home pay($)
- Enter the monthly take-home pay in $.
- Actual spend on needs($)
- Enter the actual spend on needs in $.
- Actual spend on wants($)
- Enter the actual spend on wants in $.
Worked example
Using the values the calculator loads with:
Inputs
- Monthly take-home pay4200 $
- Actual spend on needs2300 $
- Actual spend on wants1100 $
Results
- Recommended savings$840.00
- Actual savings left$800.00
- Needs budget (50%)$2,100.00 — you spend $2,300.00
- Wants budget (30%)$1,260.00 — you spend $1,100.00
- Savings rate19%
- You are $40.00 short of the 20% target.
Frequently asked questions
What counts as a need?
Housing, utilities, groceries, insurance, transport to work and minimum debt payments — anything you cannot skip without serious consequences.
Is 20% savings realistic?
It is a target, not a rule. In high-cost cities many people run closer to 60/30/10 and increase savings as income grows.
What do I need to enter into the 50/30/20 Budget Calculator?
Just 3 values: monthly take-home pay, actual spend on needs, actual spend on wants. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the 50/30/20 Budget Calculator work out the answer?
The 50/30/20 rule allocates 50% of take-home pay to needs, 30% to wants and 20% to savings and debt repayment. It applies the formula Needs 50% · Wants 30% · Savings 20% and shows the working so you can check each step by hand.
Is the 50/30/20 Budget Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.