50/30/20 budget calculator

What is the 50/30/20 rule?

The 50/30/20 rule splits your after-tax income into three buckets: 50% for needs, 30% for wants and 20% for savings and extra debt payments. It was popularized by Elizabeth Warren and Amelia Warren Tyagi in their 2005 book All Your Worth as a budget simple enough to follow without tracking dozens of categories.

• Needs (50%): rent or mortgage, utilities, groceries, insurance, transportation to work, minimum loan and card payments.
• Wants (30%): eating out, streaming, hobbies, travel, upgrades beyond the basics.
• Savings and debt (20%): emergency fund, retirement, goals, and any debt payment above the minimum.

The full explanation, with edge cases, is in our 50/30/20 rule guide.

How do I read the results?

Treat each number as a ceiling, not a target you must spend. If your needs come in under 50%, move the difference to savings. If they come in over, you are not failing: in high-rent cities housing alone can pass 40% of take-home pay. Start with 60/30/10 or 70/20/10 and raise savings as you can.

The rule only helps if your real spending is close to it. Track one month of purchases and compare; the monthly budget calculator or tracking in WhatsApp are the quickest ways to get those numbers.

What does 50/30/20 look like at different incomes?

The split scales with income, so the dollar amounts change while the shares stay fixed. On $4,500 a month, for example, the classic rule gives $2,250 for needs, $1,350 for wants and $900 for savings. Here is the classic split for three monthly take-home amounts:

Take-home pay	Needs (50%)	Wants (30%)	Savings (20%)
$3,000	$1,500	$900	$600
$4,500	$2,250	$1,350	$900
$7,000	$3,500	$2,100	$1,400

With 70/20/10 instead: $3,000 becomes $2,100 / $600 / $300, and $4,500 becomes $3,150 / $900 / $450.

Frequently asked questions

Should I use gross or net income?

Net income: what lands in your account after tax and payroll deductions. If retirement contributions are already taken out of your paycheck, you can count them toward the 20% savings bucket.

Where does credit card debt go?

Minimum payments are needs, because you have to make them. Anything you pay above the minimum counts toward the 20% savings and debt bucket.

What if my income is irregular?

Base the split on your lowest typical month from the last 6 to 12 months. In better months, send the extra straight to savings or a buffer for the next lean month.

Is 20% savings realistic?

For many people, not at first. Starting at 5 to 10% and raising it a little every few months beats waiting until 20% feels possible.