Rent vs. Buy Calculator CalculatorScale.com
Housing Decision Engine30-Year Lifecycle Model

Rent vs. Buy Calculator

Execute a comprehensive 30-year lifecycle financial comparison between purchasing a home and renting, determining the exact break-even timeline in years.

Modify the values and click the Calculate button to use

• Break-Even Horizon: In the early years, buying has high upfront closing and transaction fees. Over time, equity buildup and fixed mortgage payments overcome compounding rent inflation.

• Opportunity Cost: Capital difference (down payment vs. security deposit) is modeled growing in alternative investments at your designated return rate.

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Result

Buying is cheaper if you stay for 4.9 years or longer. Otherwise, renting is cheaper.

Based on your upfront capital of $110,000, estimated 30-yr mortgage of $2,573/mo, property tax, maintenance, and 5% investment return.

Average Monthly Cost Trajectory (Buying vs. Renting)

Notice how buying starts high due to closing fees, drops steadily as equity grows, while renting rises with rent inflation.

Break-Even: 4.9 Years

30-Year Average Cost Comparison Matrix

The following is the average cost based on the length you stay for the next 30 years. Shaded rows highlight years where buying is financially advantageous.

Staying LengthAverage Buying Cost (Monthly)Average Buying Cost (Annual)Average Renting Cost (Monthly)Average Renting Cost (Annual)
1 Year$6,244$74,928$3,123$37,476
2 Years$4,438$53,256$3,224$38,688
3 Years$3,884$46,608$3,331$39,972
4 Years$3,644$43,728$3,443$41,316
5 YearsBuy Wins$3,532$42,384$3,559$42,708
6 YearsBuy Wins$3,484$41,808$3,678$44,136
7 YearsBuy Wins$3,475$41,700$3,802$45,624
8 YearsBuy Wins$3,490$41,880$3,930$47,160
9 YearsBuy Wins$3,522$42,264$4,063$48,756
10 YearsBuy Wins$3,568$42,816$4,200$50,400
11 YearsBuy Wins$3,248$38,971$3,778$45,332
12 YearsBuy Wins$3,224$38,683$3,840$46,080
13 YearsBuy Wins$3,204$38,452$3,904$46,845
14 YearsBuy Wins$3,189$38,265$3,969$47,628
15 YearsBuy Wins$3,932$47,184$4,979$59,748
16 YearsBuy Wins$3,166$37,986$4,104$49,246
17 YearsBuy Wins$3,156$37,871$4,174$50,082
18 YearsBuy Wins$3,147$37,763$4,245$50,937
19 YearsBuy Wins$3,138$37,661$4,318$51,811
20 YearsBuy Wins$4,437$53,244$5,889$70,668
21 YearsBuy Wins$3,122$37,464$4,468$53,620
22 YearsBuy Wins$3,114$37,366$4,546$54,556
23 YearsBuy Wins$3,105$37,265$4,626$55,512
24 YearsBuy Wins$3,097$37,162$4,708$56,491
25 YearsBuy Wins$5,085$61,020$6,965$83,580
26 YearsBuy Wins$3,078$36,941$4,876$58,517
27 YearsBuy Wins$3,068$36,820$4,964$59,566
28 YearsBuy Wins$3,058$36,691$5,053$60,639
29 YearsBuy Wins$3,046$36,553$5,145$61,737
30 YearsBuy Wins$5,882$70,584$8,251$99,012
Housing Economics

Rent vs. Buy: The Core Financial Trade-offs

Deciding whether to rent or buy is rarely just a comparison between a monthly rent check and a monthly mortgage payment. It involves evaluating upfront friction, ongoing maintenance, equity growth, tax deductions, and investment opportunity costs.

1. Transaction Friction

Buying a home involves 2%–5% in buyer closing costs and 6%–8% in seller closing commissions. This is why buying rarely makes sense for horizons under 3–5 years.

2. Fixed Principal & Inflation Hedge

A 30-year fixed mortgage locks in your principal & interest payment for 3 decades, whereas rental rates historically compound upward at 3% to 5% annually.

3. Investment Opportunity Cost

A $100,000 down payment invested in a balanced stock index fund at 7%–10% compounding return represents a significant alternative wealth engine that renters can leverage.

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