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Both calculators run independently — change the inputs on either side to compare results.

Rent Affordability Calculator

Find the maximum rent you can comfortably afford based on your gross income, existing debt payments, and utilities. Supports the standard 30% rule or a custom income-to-rent ratio.

Gross Monthly Income ($)

Other Monthly Debt Payments ($)

Rent-to-Income Ratio Rule

Estimated Monthly Utilities ($)

Fill in the required fields to see your result.

Budgeting

Income Replacement Calculator

Find out how large an investment portfolio you need to fully replace your salary with passive income by retirement. Essential for anyone planning financial independence or early retirement.

Current Annual Salary ($)

Income Replacement Percentage

Expected Annual Return (%)

Safe Withdrawal Rate

Current Age ( years)

Fill in the required fields to see your result.

Key differences

	Rent Affordability Calculator	Income Replacement Calculator
Category	Budgeting	Budgeting
Inputs required	4	5
Result	Maximum Affordable Rent ($)	Required Investment Portfolio ($)
What it does	Find the maximum rent you can comfortably afford based on your gross income, existing debt payments, and utilities. Supports the standard 30% rule or a custom income-to-rent ratio.	Find out how large an investment portfolio you need to fully replace your salary with passive income by retirement. Essential for anyone planning financial independence or early retirement.