InstaCalcs

Rent vs Buy Calculator

Compare the true 5, 10, or 20-year cost of renting vs buying. Includes equity built, home appreciation, and rent increases — not just the monthly payment.

By InstaCalcs Team·Reviewed & verified

Buying

$

Renting

$

Over 10 years, buying saves you approximately

$142,624

Buying

Monthly mortgage$2,129/mo
Down payment$80,000
Total paid (10yr)$395,476
Equity built$262,967
Net cost$132,509

Renting

Starting rent$2,000/mo
Total rent (10yr)$275,133
Equity built$0
Net cost$275,133

How to Use

Enter the home price, down payment percentage, and mortgage terms in the Buying section. Then enter your current monthly rent and expected annual rent increases in the Renting section. Choose a time horizon (5, 10, 15, or 20 years) and the calculator compares total out-of-pocket costs, subtracting the equity you'd build as a homeowner.

Why Net Cost Matters

A mortgage payment is usually higher than rent, but some of that payment builds equity — real wealth you get back when you sell. The net cost of buying = total paid − equity gained. Renting has no equity, so your net cost equals total rent paid. When home appreciation is strong and you stay long-term, buying's net cost can fall well below renting's. In expensive markets where appreciation is slow, renting wins.

Why Use This Calculator

The rent vs. buy decision is one of the largest financial choices most people make, yet it is often driven by emotion rather than numbers. This calculator strips away assumptions and shows the true financial comparison over your planned time horizon. Real estate agents, financial advisors, and first-time buyers use these calculations to make data-driven decisions. It accounts for equity building, home appreciation, rent increases, and the time value of money — factors that simple monthly payment comparisons completely miss. Whether you are in an expensive coastal market or an affordable Midwest city, the math tells a different story in each situation.

Real-World Examples

Example 1: Buying Wins — Staying Long-Term

A $350,000 home with 20% down at 6.5% costs $1,769/month (P&I). Renting a comparable home costs $1,800/month with 3% annual increases. After 10 years, total buying cost is $292,280 but you built $118,000 in equity (net cost: $174,280). Total rent paid: $247,600. Buying saves $73,320 — plus you benefit from appreciation.

Example 2: Renting Wins — Short Stay in Expensive Market

In San Francisco, a $900,000 condo with 20% down at 7% costs $4,794/month. Renting the same unit costs $3,200/month. After 3 years, buying costs $220,584 (net of equity). Renting costs $121,920. You would need to stay over 8 years for buying to break even due to the high price-to-rent ratio.

Example 3: Break-Even Analysis

A $300,000 home in a mid-sized city with $1,500/month rent. With 10% down at 6.5%, the monthly mortgage is $1,707 plus $375 for taxes/insurance/maintenance. The break-even point is around year 5 — before that, renting is cheaper; after that, buying pulls ahead as equity accumulates and rent keeps rising.

Tips & Things to Watch Out For

  • If you might move within 3-5 years, renting is almost always cheaper after factoring in closing costs on both purchase and sale.
  • Do not forget the opportunity cost of your down payment — $60,000 invested in index funds at 8% grows to $88,000 in 5 years.
  • Rent increases average 3-5% per year in most markets, which compounds significantly over a decade — factor realistic increases, not flat rent.
  • Home maintenance costs are often underestimated — budget 1-2% of home value annually, which adds $250-$500/month for a typical home.
  • Emotional factors (stability, customization, pride of ownership) are valid but should not override a clearly unfavorable financial comparison.

Frequently Asked Questions

When does buying beat renting financially?
Buying typically beats renting when you stay in the home long enough for equity and appreciation to outweigh the high upfront costs (down payment, closing costs, maintenance). The break-even point is usually 5-7 years, but it depends heavily on your local housing market, mortgage rate, and rent levels.
What costs does this calculator include for buying?
The calculator includes your down payment, monthly mortgage payments (principal + interest), and an estimated 1.5% of home value annually for property taxes, insurance, and maintenance. It does not include closing costs (typically 2-5% of the purchase price), HOA fees, or capital gains tax on sale.
What is the price-to-rent ratio?
The price-to-rent ratio is the home price divided by annual rent. A ratio below 15 generally favors buying; above 20 often favors renting. For example, a $400,000 home with $2,000/month rent has a ratio of 16.7. This is a quick rule of thumb — use this calculator for a full comparison.
Should I include investment returns on the down payment?
This calculator does not factor in the opportunity cost of the down payment (what you could earn investing it). In high-return investment environments, renting and investing the difference can be competitive with buying. For a complete analysis, subtract expected investment returns from the rent total.
How does home appreciation affect the rent vs buy decision?
Home appreciation is one of the biggest variables. At 3% annual appreciation, a $400,000 home is worth $537,000 after 10 years. At 5%, it reaches $652,000. In hot markets, appreciation can make buying clearly better. In stagnant markets (0-1% appreciation), renting and investing the difference often wins.
What hidden costs of homeownership does this calculator not include?
This calculator covers the major costs but may not include HOA fees ($200-500/month in many communities), closing costs on purchase (2-5%) and sale (5-6% in agent commissions), capital gains taxes, and unexpected major repairs like a new roof ($8,000-15,000) or HVAC system ($5,000-10,000).