Use this calculator to compare long-term financial outcomes of renting versus buying a home. Adjust assumptions to match your local housing market and personal plan.
Buying Assumptions
Renting & Investing Assumptions
Assumption: any monthly savings difference is invested. Renters also invest the cash that would otherwise go to down payment + closing costs.
How this rent vs buy calculator works
This tool compares two paths over the same timeline: continuing to rent, or purchasing a home. It estimates monthly housing costs, tracks home equity growth, and includes investing behavior so the comparison is more realistic.
Rather than only asking “Which monthly payment is lower?”, this model asks a better question: “Which choice gives me higher estimated net worth after X years?”
What the model includes
- Mortgage payments and remaining loan balance
- Property taxes, insurance, HOA, and maintenance
- Home appreciation and selling costs
- Rent growth and renter's insurance
- Investment growth for unused cash and monthly savings differences
Why monthly payment alone is not enough
Many people compare only rent versus mortgage payment. That misses major factors. Owning includes taxes, repairs, and transaction costs. Renting can free up cash to invest. Depending on the market, either path can win.
A complete analysis should include cash flow, equity, and opportunity cost. Opportunity cost is especially important: if you rent, your down payment money can stay invested.
Key assumptions you should customize
1) Time horizon
If you plan to move in 3 to 5 years, buying can be harder to justify because buying and selling costs are large. Longer horizons usually improve buying outcomes.
2) Home appreciation
Small changes in annual appreciation can strongly affect long-term equity. Use conservative estimates unless you have strong local data.
3) Investment return
The higher your expected investment return, the stronger the renting case can become. But returns are uncertain; avoid over-optimistic inputs.
4) Maintenance and taxes
Underestimating maintenance is common. A typical rule of thumb is around 1% of home value per year, but older homes can cost more.
When renting may be the smarter move
- You may relocate soon for work or family reasons
- Home prices are high relative to local rents
- You value flexibility and lower responsibility
- You are disciplined about investing monthly savings
When buying may be the smarter move
- You expect to stay in the home for many years
- Your local market has stable long-term demand
- You want payment stability (with fixed-rate mortgage)
- You prefer building equity through ownership
Tips for better decisions
Run multiple scenarios
Try a conservative case, base case, and optimistic case. If one option wins across all three, your decision is more robust.
Keep an emergency buffer
Do not use every dollar for the down payment. Whether renting or owning, liquidity matters.
Remember non-financial factors
Financial outcomes matter, but so do lifestyle preferences, school zones, commute, and emotional comfort. A good decision balances math and personal priorities.
Bottom line
There is no universal answer to rent versus buy. The right choice depends on your horizon, local prices, discipline with investing, and risk tolerance. Use this calculator as a decision framework, then pressure-test your assumptions before committing.