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Rent vs. Buy Calculator

Compare the long-term financial costs of renting versus buying a home.

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Calculation Parameters

Specify your inputs below.

Calculated Result

Projected Net Worth (Renting & Investing) $220,500.00
Projected Net Worth (Buying Property) $290,100.00
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Expert Tip

Buying typically creates equity via forced savings, whereas renting is highly profitable if you actively invest the down payment difference in stock indices.

How this Calculator Works

This calculator compares the cumulative cost of renting a home (rent payments, renter's insurance) against buying (mortgage payments, property tax, maintenance, and home equity growth) over a specific time horizon.

Formula & Methodology

Rent Costs = Sum [ Rent_t + Insurance_t ] Buy Costs = Sum [ Mortgage_t + Tax_t + Maintenance_t ] - Estimated Home Equity_t

Step-by-Step Calculation Example

Here is a step-by-step example showing how the calculations are performed:

Over 10 years, renting costs $200,000 total. Buying costs $350,000 in mortgage and tax, but builds $180,000 in home equity (Net Buying Cost = $170,000). 1. Compare net costs: Renting ($200,000) vs Buying ($170,000). Result: Buying is the more financially favorable option by $30,000.

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Detailed Insights & Expert Guide

ℹ️ About this Calculation

This personal finance and wealth planning calculator evaluates net worth growth, debt payoff acceleration (Snowball/Avalanche), FIRE retirement target numbers, home mortgage affordability, and budget allocation based on CFP financial planning standards.

Variable Glossary

Input

Personal Financial Data

Monthly expenses, annual salary, current savings balance, debt interest rates, employer 401k match %, or target retirement age.

Parameter

Wealth Target Output

FIRE nest egg target ($), debt-free payoff date, emergency cushion months (3-6x), or monthly mortgage ceiling ($).

How to Calculate Step-by-Step

1

Step 1

Input your income sources, fixed/variable monthly household expenses, or loan principal balances.

2

Step 2

Set your desired withdrawal rate (e.g. 4% Trinity rule), loan APR %, or extra monthly principal contribution amount.

3

Step 3

Review calculated financial freedom timeline, interest savings from debt payoff strategies, or retirement accumulation trajectory.

FAQ

What is the 4% rule in FIRE (Financial Independence) planning?
Derived from the Trinity Study, the 4% rule suggests withdrawing 4% of your total investment portfolio in year one of retirement (adjusted for inflation thereafter) provides a 95%+ probability of portfolio survival over 30 years.
What is the difference between Debt Snowball and Debt Avalanche?
Debt Snowball pays off debts from smallest balance to largest balance first for psychological momentum. Debt Avalanche pays off debts from highest interest rate (APR) to lowest to minimize total interest paid.
How much emergency fund reserve is recommended?
Financial planners recommend storing 3 to 6 months of essential living expenses (rent/mortgage, groceries, utilities, debt minimums) in a high-yield liquid savings account (HYSA).