Rent vs. Buy Calculator: Net Wealth & Break-Even Simulator
Comprehensive capital simulator factoring in home appreciation, property tax, maintenance, rent inflation, and compounding market returns.
Calculation Parameters
<div>
<div class="flex items-center justify-between mb-2">
<label for="rvb-monthly-rent" class="text-xs font-bold text-slate-700 uppercase tracking-wider">Equivalent Monthly Rent</label>
<span class="font-mono text-sm font-bold text-slate-700">$1,800</span>
</div>
<div class="relative flex items-center">
<span class="absolute left-3.5 text-slate-400 font-semibold">$</span>
<input type="number" id="rvb-monthly-rent" value="1800" step="50" class="w-full pl-8 pr-4 py-2.5 bg-slate-50 border border-slate-200 rounded-xl font-mono text-sm text-slate-900 focus:bg-white focus:border-blue-600 focus:ring-2 focus:ring-blue-100 outline-none" />
</div>
</div>
<div>
<label for="rvb-market-return" class="block text-xs font-bold text-slate-700 uppercase tracking-wider mb-2">Market Return (%/yr)</label>
<div class="relative flex items-center">
<input type="number" id="rvb-market-return" value="7.0" step="0.5" class="w-full pl-4 pr-8 py-2.5 bg-slate-50 border border-slate-200 rounded-xl font-mono text-sm text-slate-900 focus:bg-white focus:border-blue-600 focus:ring-2 focus:ring-blue-100 outline-none" />
<span class="absolute right-3.5 text-slate-400 font-semibold">%</span>
</div>
<span class="text-[10px] text-slate-400 mt-1 block">S&P 500 / Index Fund</span>
</div>
<div>
<label for="rvb-home-appreciation" class="block text-xs font-bold text-slate-700 uppercase tracking-wider mb-2">Home Growth (%/yr)</label>
<div class="relative flex items-center">
<input type="number" id="rvb-home-appreciation" value="3.5" step="0.5" class="w-full pl-4 pr-8 py-2.5 bg-slate-50 border border-slate-200 rounded-xl font-mono text-sm text-slate-900 focus:bg-white focus:border-blue-600 focus:ring-2 focus:ring-blue-100 outline-none" />
<span class="absolute right-3.5 text-slate-400 font-semibold">%</span>
</div>
<span class="text-[10px] text-slate-400 mt-1 block">Long-term real estate avg</span>
</div>
Privacy Guarantee: This calculation executes entirely in your browser memory. No personal numbers or financial parameters are logged or sent to any server.
Mathematical Formula & Notation
Dynamic capital accumulation comparison model over holding horizon t :
Worked Scenario: $400,000 Home Purchase vs. $1,800/Month Rent (10-Year Horizon)
Suppose a consumer compares buying a $400,000 home (20% down = $80,000, 30-year fixed loan at 6.50%) against renting an equivalent home for $1,800/month (3% annual rent inflation) and investing the $80,000 down payment in an S&P 500 index fund averaging 7.0% annual compound return:
- Buyer Wealth at Year 10 : Assuming 3.5% annual home price growth, the property appreciates to $564,240. The mortgage balance has amortized down to $272,310. Net home equity is $291,930. * Renter Wealth at Year 10 : The $80,000 down payment compounded at 7.0% grows to $157,372. When factoring in the monthly savings invested during the early years, total renter liquid portfolio reaches $213,530. * Financial Verdict : In this scenario, Buying outperforms Renting by $78,400 at Year 10. The break-even crossover occurred at Year 4.2.
Net Wealth Comparison by Holding Period ($400k Home vs $1,800 Rent)
| Holding Period | Buyer Home Equity | Renter Invested Portfolio | Winning Strategy | Net Dollar Advantage |
|---|---|---|---|---|
| 3 Years | $118,500 | $124,800 | Renting Wins | Renting ahead by $6,300 (closing costs drag) |
| 5 Years | $164,200 | $148,900 | Buying Wins | Buying ahead by $15,300 (break-even passed) |
| 10 Years | $291,930 | $213,530 | Buying Wins | Buying ahead by $78,400 (accelerating equity) |
| 20 Years | $624,800 | $412,600 | Buying Wins | Buying ahead by $212,200 (mortgage near payoff) |
Frequently Asked Questions
What is the 5% Rule of thumb for renting vs. buying? ▼
The 5% Rule estimates unrecoverable housing costs as roughly 5% of home value annually: 1% for property taxes, 1% for maintenance and repairs, and 3% for the cost of capital (mortgage interest or lost investment returns on equity). If you can rent an equivalent home for less than 5% of the purchase price per year (0.416% per month), renting is often mathematically superior.
How long must I live in a home to break even on purchasing costs? ▼
Due to upfront transaction expenses (2% to 4% buyer closing costs) and exit costs (5% to 6% real estate broker commissions and transfer taxes), the typical financial break-even horizon is between 4 and 7 years in most metropolitan markets.
Does buying always beat renting in the long run? ▼
Not necessarily. If real estate appreciation is sluggish, local property tax rates exceed 2.0%, or the stock market delivers strong compounding returns while rent remains affordable relative to home prices, disciplined renters who invest the difference in low-cost index funds can build equal or greater net wealth without geographic lock-in.
Embed This Calculator On Your Website
Free for bloggers, real estate portals, contractors, and educational institutions.