Rent vs. Buy Calculator
Compare the true 5, 10, and 15-year cost of renting versus buying the same home, accounting for appreciation, equity, opportunity cost, and all ownership expenses.
Enter your values above to see the results.
Tips & Notes
- ✓The break-even year is the key number — if you plan to stay shorter than the break-even, renting is likely the better financial choice regardless of how the monthly payments compare.
- ✓Transaction costs of buying (3-5% closing costs) and selling (5-6% agent commissions) mean buying typically needs at least 3-5 years to break even even in appreciating markets.
- ✓Use conservative appreciation estimates for planning — historical national appreciation has averaged 3-4% annually, but local markets vary enormously and past performance does not guarantee future results.
- ✓The opportunity cost of the down payment is real — $80,000 invested at 7% grows to $152,000 over 10 years, a gain that renting preserves but buying converts into home equity.
- ✓Renting in high-cost markets with low rent-to-price ratios and investing the savings often outperforms buying over 5-7 year horizons when appreciation is modest.
- ✓Buying provides inflation protection through the fixed mortgage payment — your housing cost is locked while rents continue rising, which becomes increasingly valuable over long holding periods.
Common Mistakes
- ✗Treating rent as money thrown away — rent pays for housing, just as mortgage interest, taxes, insurance, and maintenance also pay for housing without building equity.
- ✗Not including maintenance and repairs in the true cost of ownership — budget 1-2% of property value annually for upkeep, which on a $400,000 home is $4,000-$8,000 per year.
- ✗Ignoring transaction costs on both sides — buying costs 3-5% to enter and 6-8% to exit, meaning a property must appreciate 10-13% just to break even on transaction costs alone.
- ✗Overestimating future appreciation — projecting 6-8% annual appreciation in historically moderate markets inflates the buy-side advantage and produces unreliable comparisons.
- ✗Not considering the non-financial factors — stability, control over the living space, school district access, and community roots are real values that any purely financial comparison misses.
- ✗Assuming the rent versus buy decision is permanent — both scenarios can be reversed; buying now does not prevent renting later, and renting now preserves flexibility to buy in a better market.
Rent vs. Buy Calculator Overview
The rent versus buy decision is one of the most financially significant choices most people make — and one of the most commonly oversimplified. Renting is not throwing money away. Buying is not always building wealth. The right answer depends on your local market, how long you plan to stay, what you could earn investing the down payment, and the true all-in cost of ownership.
This calculator models both scenarios honestly over multiple time horizons.
What each field means:
- Home Purchase Price — the price of the home being evaluated for purchase
- Down Payment — cash invested upfront; this capital has an opportunity cost in the rent scenario
- Mortgage Rate — the interest rate on the purchase loan
- Annual Appreciation — expected annual property value increase; use local historical rates conservatively
- Rent Amount — current monthly rent for an equivalent property
- Annual Rent Increase — expected annual rent growth; typically 2-4% in most markets
- Investment Return — the return you could earn investing the down payment instead of buying
What your results mean:
- Net Cost to Buy — total cost of ownership minus equity built at the end of the period
- Net Cost to Rent — total rent paid minus investment returns on the down payment
- Break-Even Year — when buying becomes cheaper than renting in total cumulative cost
- Equity Built — ownership stake in the property at the end of the period
Example — $400,000 home, 20% down, 7% rate, 4% appreciation vs $2,200/month rent, 3% rent growth, 7% investment return:
Year 5 comparison: Buying: paid $128,556 in mortgage payments + $35,000 in taxes/insurance/maintenance Equity built: $400,000 grows to $486,632 (4% appreciation) minus $350,920 remaining balance = $135,712 equity Net cost to buy over 5 years: $163,556 - $135,712 equity = $27,844 net Renting: paid $140,644 in rent (3% annual increases) Down payment invested at 7%: $80,000 grows to $112,232 (gain: $32,232) Net cost to rent over 5 years: $140,644 - $32,232 investment gain = $108,412 net Buying wins by $80,568 after 5 years in this scenario.
EX: Break-even sensitivity — $400,000 home, $2,200/month rent 4% appreciation, 7% investment return: buy breaks even at year 3 2% appreciation, 7% investment return: buy breaks even at year 8 4% appreciation, 10% investment return: buy breaks even at year 6 2% appreciation, 10% investment return: renting wins at all horizons under 15 years The appreciation assumption is the single most sensitive variable in the comparison.
5-year net cost comparison by appreciation and rent level:
| Scenario | Net Cost to Buy | Net Cost to Rent | Winner |
|---|---|---|---|
| High appreciation (5%), moderate rent | -$18,000 (net gain) | $95,000 | Buy by $113k |
| Moderate appreciation (3%), moderate rent | $42,000 | $95,000 | Buy by $53k |
| Low appreciation (1%), moderate rent | $95,000 | $95,000 | Roughly equal |
| No appreciation (0%), moderate rent | $136,000 | $95,000 | Rent by $41k |
Break-even year by holding period assumption:
| Appreciation Rate | Investment Return | Break-Even Year |
|---|---|---|
| 4% appreciation | 7% investment return | Year 3-4 |
| 3% appreciation | 7% investment return | Year 5-7 |
| 2% appreciation | 7% investment return | Year 9-12 |
| 1% appreciation | 7% investment return | Year 15+ |
The break-even year is the most important output of this comparison. If you plan to stay in an area for 10 years and break-even is year 4, buying is the clear financial choice. If you plan to stay 3 years and break-even is year 7, renting preserves more wealth. No universal answer exists — the right choice depends entirely on local market conditions, planned duration, and personal financial circumstances.