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50/30/20 Budget Calculator

How should I split my take-home pay?

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After tax and payroll deductions: what actually lands in your account.
Your split
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50/30/20 is the classic split. In expensive cities, 60/20/20 is a common adjustment.
Compare with what you spend now (optional)
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Your monthly plan

Needs 50%
$2,250
Wants 30%
$1,350
Savings & debt 20%
$900

$10,800 a year toward savings and paying down debt.

How it works

The 50/30/20 rule splits your take-home pay into three buckets:

  • 50% needs: Rent or mortgage, utilities, groceries, insurance, transport to work, minimum debt payments.
  • 30% wants: Eating out, streaming, holidays, hobbies, shopping beyond the basics.
  • 20% savings & debt: Emergency fund, retirement, investing, and debt payments above the minimum.

It was popularized by Elizabeth Warren and Amelia Warren Tyagi in their 2005 book All Your Worth. Its strength is simplicity: three numbers to watch instead of dozens of categories.

Worked example

You take home $4,500 a month. The rule suggests $2,250 for needs, $1,350 for wants and $900 for savings and extra debt payments.

That's $10,800 a year toward your future. A three-month emergency fund covering your needs ($6,750) would take 8 months to build.

Things to know

  • Needs are things you can't skip, not everything you'd like to keep. A basic phone plan is a need; the newest phone is a want.
  • If needs are over 50%, you're not failing. Housing costs vary hugely. Adjust the split and look for one big lever, such as rent, a car payment or insurance.
  • Pay the 20% first. Automatic transfers on payday make saving the default instead of whatever is left over.

Questions people ask

Do debt payments count as needs or savings?

Minimum payments are needs. Anything you pay above the minimum counts toward the 20%, because it improves your finances the same way saving does.

Should I use take-home or gross pay?

Take-home pay: the money that actually reaches your account after taxes. If your employer deducts retirement contributions, you can count those toward the 20%.

What if I can't save 20%?

Start with any amount and raise it with each pay rise. See how long a full emergency fund would take with our emergency fund calculator.

Sources

Reviewed September 25, 2026 by The Dollars World team. How we build and check our calculators. This is general information, not financial advice.