Budget Calculator

Calculate your monthly income, expenses, and see how much you can invest. The gap between earning and spending is your wealth-building power.

"Do not save what is left after spending, but spend what is left after saving."

— Warren Buffett

Income

$

Includes federal, state, FICA taxes

Pre-tax retirement contribution

Each Paycheck (Net)

$1,592

Gross: $2,308 (biweekly)

Monthly Expenses

$
$
$
$
$
$
$
$
$
$
$
$

Add Expense

$

Available to Invest Monthly

-$200

-5.8% of take-home pay

Monthly Breakdown

Gross Income$5,000
Taxes-$1,250
401(k) Contribution-$300
Take-Home Pay$3,450
Fixed Expenses-$2,550
Variable Expenses-$1,100
Left to Invest-$200

Your Savings Rate

Total savings rate6.0%

Includes 401(k) + additional investments

Annual Investment Potential:
$0 (excluding 401k)

The Math Behind Budgeting

Key Formulas

Take-Home Pay

Net = Gross - Taxes - 401(k)

Available to Invest

Investable = Net Pay - Total Expenses

Savings Rate

Rate = (401k + Investments) / Gross × 100

Savings Rate Benchmarks

10-15%
Minimum recommended
15-25%
Good progress
25-50%
Excellent (early retirement)
50%+
FIRE territory

Higher savings rates dramatically reduce time to financial independence.

Buffett's Budgeting Wisdom

"If you buy things you do not need, soon you will have to sell things you need."

"Price is what you pay. Value is what you get."

"I always knew I was going to be rich. I don't think I ever doubted it for a minute."

"The chains of habit are too light to be felt until they are too heavy to be broken."