Mortgage Payment and Readiness Calculator
Build the full housing payment, then test income, cash and reserve pressure.
Rent vs. Buy Break-Even Calculator
Use this rent versus buy break-even calculator to compare financing, rent growth, maintenance, appreciation, selling costs and opportunity cost over time.
Holding-period comparison
Compare both housing paths over the expected stay, including entry, exit and alternative-use costs.
Enter your figures, then press “Run the holding-period comparison” to calculate your result.
No result yetComplete the fields and use the calculation button.
What this rent-versus-buy calculator compares
This calculator compares cumulative rent with the net cost of ownership over a chosen holding period. It models financing payments, recurring property costs, maintenance, estimated sale proceeds, rent growth and the alternative growth of upfront purchase cash.
- Appreciation, rent growth and alternative returns are scenarios, not forecasts.
- Property-specific assessment, insurance, fees and maintenance must replace allowances.
- Legal, tax and financing effects not entered here can change the result.
Follow cash through the full holding period
The renting path increases the entered rent once per year by the rent-growth assumption. The buying path begins with the down payment and purchase-cost allowance, then adds financing instalments, recurring property costs and maintenance each month. The outstanding balance is reduced using the entered financing schedule.
At the end of the holding period, the home value is projected using the appreciation assumption. Selling costs and the remaining financing balance are subtracted to estimate net sale proceeds. Those proceeds reduce the cumulative ownership outflow.
Time changes the housing result
Entry costs, principal reduction, rent growth, a possible sale and the alternative use of cash develop on different timelines.
| Decision layer | What it measures |
|---|---|
| Holding period | How long fixed transaction costs have to be absorbed |
| Exit value | Estimated sale proceeds after debt and selling costs |
| Opportunity cost | What upfront cash might earn elsewhere |
Account for the alternative use of purchase cash
The down payment and transaction cash cannot also remain invested elsewhere. The calculator compounds that upfront amount using the alternative-return assumption and treats the growth above the original cash as an opportunity cost of buying.
This is a scenario, not a claim that the renter would invest every dollar or earn a stable return. Run a zero-return case and a conservative positive-return case. Keep taxes, fees and investment risk visible when choosing the assumption.
Find the first modeled break-even year
The calculator repeats the comparison at each completed year and identifies the first year when modeled ownership cost is no higher than modeled rent. If no break-even appears within the financing term, it says so. The expected-stay result remains more important than a distant crossing point.
A short holding period gives purchase and selling costs less time to be absorbed. A longer stay gives principal reduction and possible appreciation more time, but it also exposes the owner to repairs, concentration and uncertain sale conditions. Test several holding periods rather than relying on one preferred date.
- Expected years in the home
- Cash needed at purchase
- Property-specific recurring charges
- Conservative sale costs
- Alternative use of upfront cash
Keep non-financial differences outside false precision
Commute, accessibility, control over the property, maintenance responsibility and ability to relocate can decide the result even when modeled costs are close. Record these factors beside the calculation instead of assigning invented monetary values.
Before acting, replace allowances with a written financing quotation, legal-cost estimate, current tax information, protection quote and property inspection. Transaction duties and tax rules vary by location and can change, so verify current requirements through official sources and qualified professionals.
Common questions about this calculator
Does the lower modeled cost decide whether to rent or buy?
No. The result depends on uncertain assumptions and cannot price flexibility, location, repair exposure or the value of control. Use it to identify which inputs drive the decision.
Does this calculator predict home appreciation?
No. Appreciation, rent growth and alternative return are user-entered scenarios. Run conservative and zero-growth cases rather than treating one projection as a forecast.