Rent or Buy Mortgage Calculator
Wondering if it’s smarter to keep renting or buy a home? Our free calculator helps you compare the total costs of renting versus buying, factoring in all the hidden details. Enter the details below to compare the full economics of renting and buying—upfront cash, monthly costs, long-term net worth, and a break-even timeline.
Purchase & Mortgage
Rent & Investment
We assume any monthly savings from renting vs. owning is invested at this same rate.
Market & Horizon
Tax modeling is simplified: we apply your marginal rate to mortgage interest only.
Recommendation: Buy is ahead by $26,104 after 7 years. (Break-even around month 36.)
Buy – Summary
- Upfront cash needed$99,000
- Month 1 total (est.)$2,627
- Ending home equity$227,945
- Net proceeds if sold at horizon$194,738
- Net worth after 7 yrs$185,738
Rent – Summary
- Upfront cash needed$2,200
- Month 1 total (est.)$2,220
- Investment balance at horizon$157,434
- Deposit refunded at horizon$2,200
- Net worth after 7 yrs$159,634
Cumulative Net Worth Over Time
View year-by-year breakdown
Year | Buy: Est. Monthly (yr-end) | Rent: Est. Monthly (yr-end) | Buy: Equity (yr-end) | Rent: Investments (yr-end) | Net Worth – Buy | Net Worth – Rent |
---|---|---|---|---|---|---|
1 | $2,654 | $2,301 | $107,524 | $106,454 | $98,524 | $108,654 |
2 | $2,683 | $2,393 | $125,722 | $115,841 | $116,722 | $118,041 |
3 | $2,713 | $2,488 | $144,625 | $124,918 | $135,625 | $127,118 |
4 | $2,744 | $2,587 | $164,265 | $133,633 | $155,265 | $135,833 |
5 | $2,776 | $2,690 | $184,674 | $141,935 | $175,674 | $144,135 |
6 | $2,809 | $2,798 | $205,888 | $149,766 | $196,888 | $151,966 |
7 | $2,844 | $2,909 | $227,945 | $157,434 | $218,945 | $159,634 |
Estimates only. Property taxes track home value. PMI ends when the loan balance drops to 80% of the original value. Tax effects modeled as marginal rate × interest.
Rent or Buy—What Really Wins?
The rent vs buy decision isn’t just about a monthly payment. Buying has upfront and selling costs, ongoing expenses (taxes, insurance, maintenance, HOA, and sometimes PMI), and the potential for home price appreciation. Renting frees cash that you could invest elsewhere.
This tool compares the full economics of renting and buying over your chosen time horizon. It goes beyond a simple payment check: we estimate upfront cash, monthly cash flow, home equity, investment growth (opportunity cost), potential tax effects, selling costs, and a projected break-even point. You’ll also see a side-by-side summary and a cumulative net-worth chart.
How to Use the Calculator
- Enter a home price and your planned down payment. Add your interest rate, loan term, and realistic closing costs.
- Add ongoing owner costs: property tax rate, homeowners insurance, optional PMI, HOA dues, and maintenance.
- Enter a comparable monthly rent, renter’s insurance, and expected rent increases. Include a security deposit and any broker fee.
- Set market assumptions: home appreciation, inflation, your time horizon, optional tax rate (to model mortgage-interest savings), selling costs, and an investment return to capture the opportunity cost of cash you might invest if you rent.
- Review the Recommendation, the break-even timing, the side-by-side summary, and the cumulative net-worth chart.
Tip: Run a few scenarios (optimistic, base case, conservative) to understand sensitivity.
Inputs explained
Purchase & mortgage
- Home purchase price: Target price of the home.
- Down payment: Cash you’ll put down up front.
- Interest rate (APR) & loan term: Used to compute your principal & interest.
- Closing costs (buying): Lender, title, and other fees due at closing.
- Property tax rate: Annual tax as a % of home value (estimated monthly).
- Homeowners insurance: Monthly premium estimate.
- PMI rate: Private mortgage insurance until ~80% LTV, if down payment < 20%.
- HOA dues: Monthly association fees (if applicable).
- Maintenance/renovations: Ongoing upkeep set as a monthly estimate.
Rent & investment
- Current monthly rent & renter’s insurance.
- Rent increase (annual): Estimated yearly rent growth.
- Security deposit & broker’s fee: Upfront rental cash (deposit is treated as refundable asset).
- Investment return (annual): Expected return on cash that can be invested if you rent (down payment, closing costs, or ongoing monthly savings).
Market & horizon
- Upfront cash: Compares down payment + closing costs (buy) vs. deposit and fees (rent).
- Month 1 totals: Estimated first-month cash outlay for each path.
- Investment return: What you expect to earn by investing the down payment and any monthly savings if you rent.Cumulative net worth: For buying, we track equity growth and net proceeds after selling (less selling costs and any remaining balance). For renting, we grow the invested cash and add back the refundable deposit.
- Break-even month: The first point (if any within your horizon) where buying’s modeled net worth catches up to renting’s.
Understanding Your Results
- Upfront cash: Compares down payment + closing costs (buy) vs. deposit and fees (rent).
- Month 1 totals: Estimated first-month cash outlay for each path.
- Cumulative net worth: For buying, we track equity growth and net proceeds after selling (less selling costs and any remaining balance). For renting, we grow the invested cash and add back the refundable deposit.
- Break-even month: The first point (if any within your horizon) where buying’s modeled net worth catches up to renting’s.
- Recommendation: A plain-English verdict showing which side is ahead and by how much at the end of your horizon.
Results are planning estimates. For binding payoff figures, taxes, and escrow, contact your lender, tax assessor, or insurance carrier.
Key factors when deciding to rent or buy
Financial considerations
- Price-to-rent ratio: As a rule of thumb, if a home costs far more than comparable annual rent (e.g., 20×+), renting may be more cost-effective—unless appreciation or lifestyle benefits justify the premium.
- Down payment & liquidity: A larger down payment can reduce PMI and interest, but it also ties up cash you might invest elsewhere.
- Opportunity cost: The calculator models the investment growth of cash not used to buy. This can materially tilt results.
- Time horizon: Buying typically makes more sense the longer you stay, because closing/selling costs are spread over more years.
- Taxes: Mortgage-interest deductibility depends on your filing status, itemizing, and current tax law. We model this simply via a marginal rate × interest.
Location & lifestyle
- Flexibility: Renting makes it easier to move for work, school, or family needs.
- Customization: Homeowners control renovations and long-term comfort upgrades.
- Market conditions: Rates, inventory, and local price trends (appreciation) matter—use realistic inputs.
Market conditions
- Mortgage rates and availability.
- Inventory and price trends in your target neighborhoods.
- Rent growth dynamics and concessions.
Tips & common strategies
- Run multiple scenarios: Try a higher rent growth, a lower appreciation path, or a different horizon to see sensitivity.
- Plan for maintenance: Setting aside 1%–2% of home value per year is a common rule of thumb (your monthly input approximates this).
- Watch PMI: If you buy with <20% down, PMI ends around 80% LTV in our model—this can change your break-even timing.
- Consider cash reserves: Keep an emergency fund even after closing; liquidity matters.
Frequently Asked Questions
Is it a good idea to buy with less than 20% down?
It can be—especially for long horizons in appreciating areas—but budget for PMI and ensure you keep an adequate emergency fund.
Does renting always mean “throwing money away”?
No. Renting can be financially smart if it lets you invest cash at attractive returns, avoid high buying/selling costs, or maintain flexibility.
How long should I plan to stay before buying makes sense?
There’s no universal number, but many markets need ~5–7 years to overcome transaction costs. Use the break-even output as a guide.
Are tax effects included?
This model focuses on cash flows and wealth. Tax results vary widely by filer and location—consult a tax pro for personalized guidance.