Enter your property's nightly rate, occupancy percentage, and every cost line to get monthly profit, margin, and the break-even occupancy you actually need to cover your expenses.
Your host dashboard says you earned $4,100 last month and you feel like a real estate mogul — until the mortgage autopays, the cleaner invoices seven turnovers, the property tax escrow pulls, and you're staring at $600 wondering where a payout four times that size went. Airbnb shows you gross. This estimator shows you what's left. You enter Average Nightly Rate, Occupancy Rate, Airbnb Service Fee, and every cost layer, and the tool returns Monthly Profit, Profit Margin, and the Break-Even Occupancy rate — the minimum percentage of nights you need booked just to cover expenses before earning a dollar.
The break-even occupancy number is what most short-term rental hosts don't know off the top of their head. On a property with $2,550 in fixed monthly costs, a $185 nightly rate at 70% occupancy might produce a strong profit, but drop occupancy to 40% in an off-season month and you're cash-flow negative. Knowing your break-even occupancy going in is what separates a planned STR investment from an anxiety spiral every time bookings slow down.
How the cost waterfall from gross to net works
Gross revenue here is nightly rate times estimated occupied nights. From that number, the calculator subtracts the Airbnb service fee first (typically 3% of the payout), then variable costs tied to occupancy: cleaning fees per turnover, supplies per turnover, and the maintenance reserve percentage. Finally it subtracts fixed costs — mortgage or rent, utilities, insurance, property tax — that don't change with occupancy. What remains is net profit.
This cost waterfall matters because it shows which costs you can control and which you can't. Cleaning fees per turnover go down if you cut stay length and reduce turnovers. Supplies cost per turnover can be trimmed through bulk buying. The maintenance reserve percentage is a choice — low-balling it saves cash now but costs more when the HVAC fails. Fixed costs are largely locked in unless you refinance or renegotiate insurance.
What the break-even occupancy number actually tells you
Break-Even Occupancy is the percentage of nights in a month that need to be booked before you stop losing money. A property with $3,050 in monthly fixed and variable costs at a $185 nightly rate needs roughly 17 booked nights — about 55% occupancy — just to reach zero. That tells you two things: how vulnerable you are to slow seasons, and how much pricing cushion you have before a rate reduction turns your profitable months unprofitable.
Experienced STR operators check this number before they list. If the market's average occupancy for comparable properties in the area sits at 62% and your break-even is 58%, your margin of safety is thin. If average occupancy is 75% and your break-even is 45%, you have room to price competitively, absorb slow weeks, and still come out ahead. The estimator makes that analysis a two-minute exercise.
Turnovers per month and the true cost of short stays
Average stay length and occupancy rate together determine how many turnovers you handle per month. At 70% occupancy in a 30-day month, you have roughly 21 booked nights. If your average stay is 3 nights, that's 7 turnovers. At $120 per cleaning and $25 in supplies, that's $1,015 in turnover costs alone — before a single fixed expense. Drop average stay to 2 nights and turnovers jump to 10 or 11, adding another $300-$400 in cleaning and supply costs.
This is why minimum stay requirements matter more than they appear. Moving from a 2-night minimum to a 3-night minimum can reduce monthly cleaning costs by 25-35% while maintaining similar gross revenue from the same total booked nights. The estimator lets you adjust Average Stay Length and watch turnover costs change in the variable expense section, making the trade-off between short stays (more bookings, more cleaning) and longer stays (fewer turnovers, potentially lower occupancy) immediately visible.
Airbnb versus long-term rental: when the comparison matters
The estimator includes a comparison view that models the same property as a long-term rental at your area's typical monthly rent. The comparison shows revenue, expenses, profit, and time commitment side by side. STR almost always generates higher gross revenue in desirable markets, but the expense structure is heavier and the management time is significantly higher — typically 15-25 hours per month versus 2-5 for a well-managed long-term rental.
The breakeven occupancy comparison is often the deciding factor. If STR break-even is 55% but local market occupancy for comparable listings averages only 58%, your margin of safety is 3 percentage points. A bad review week, a platform algorithm change, or a seasonal dip erases it. A long-term rental at 85-90% of STR gross revenue with zero management friction may produce better risk-adjusted returns depending on your market and how much you value your own time.
How to model a rate increase before committing to it
Raising the nightly rate by $20 looks straightforward — it adds roughly $420/month at 70% occupancy over 30 days. But if that rate increase drops occupancy from 70% to 60%, the gross revenue change is negative: you're earning more per night but booking fewer of them. The tool lets you test this scenario directly by adjusting Average Nightly Rate and Occupancy Rate simultaneously and watching profit respond.
Run the comparison at your current rate and occupancy against the proposed new rate at a lower occupancy estimate. If the break-even occupancy is 55% and your market historically holds above 63% even for higher-priced listings in your category, the rate increase holds. If break-even climbs to 64% and you're betting on market occupancy of 65%, a single slow week erases your margin. The answer isn't always obvious until you see both scenarios side by side. Download your scenario as CSV and hand it straight to a partner or property manager before making the call.
How to use it
- Enter Average Nightly Rate and your Occupancy Rate (%) — use your actual booked average, not the platform's optimistic estimate.
- Set Airbnb Service Fee (%) — typically 3% of payout — then fill in fixed costs: Mortgage/Rent, Utilities, Insurance, and Property Tax.
- Enter variable costs: Cleaning Fee Per Turnover, Average Stay Length, Supplies Per Turnover, Maintenance Reserve (%), and Property Management (%) if applicable.
- Read Monthly Profit, Gross Revenue, Profit Margin, and Break-Even Occupancy in the KPI row.
- Use the STR vs. long-term rental comparison view to evaluate whether short-term operation makes sense relative to a simpler rental arrangement.
Who it's for
- Homeowner evaluating whether to STR a spare room — Enters their $1,200 mortgage allocation, $130 nightly rate, and 65% occupancy estimate, finds monthly profit of $680 but break-even occupancy of 51% — comfortable margin for a spare room listing.
- Investor analyzing a potential STR acquisition — Models a $350,000 property at $2,100 mortgage, $210 nightly rate, 72% occupancy, finds annual net profit around $9,800 — evaluates whether the 2.8% cash yield justifies the management commitment.
- Existing host evaluating a rate increase from $185 to $210 — Tests higher rate at 62% occupancy versus current rate at 72%, discovers the rate increase produces $340/month more profit even at lower occupancy because fixed costs stay the same.
- Property manager pitching a new client — Uses the estimator to model the client's property under self-management versus 20% managed, demonstrating that the management fee reduces net profit by $480/month but eliminates 20+ hours of monthly work.
Key terms
- Break-even occupancy
- The minimum percentage of nights booked in a month at which the property's gross revenue exactly covers all costs. Any occupancy below this rate produces a monthly cash loss.
- Occupancy rate
- The percentage of available nights in a period that are booked by paying guests. The primary volume driver in short-term rental revenue calculations.
- Maintenance reserve
- A percentage of revenue set aside monthly to cover future repairs and replacement of appliances, furniture, and systems. Underfunding this reserve creates unexpected cash crunches when major repairs arise.
- Turnover cost
- The combined cost of cleaning and restocking supplies for a single guest checkout. Total monthly turnover cost depends on both the per-turnover amount and the number of check-outs generated by average stay length and occupancy.
Frequently asked questions
What occupancy rate should I use for a new listing?
New listings typically take 60-90 days to accumulate reviews and reach market occupancy. Use a conservative estimate in the 50-60% range for your first quarter and run the break-even check to confirm you can cover costs during ramp-up. Once you have 20+ reviews and stable ranking, revisit with your actual booking data.
How should I handle property tax if I pay it annually?
Divide the annual property tax bill by 12 and enter the monthly equivalent. The tool runs on monthly figures for all cost lines, so any annual or quarterly expense needs to be converted to a monthly average.
What maintenance reserve percentage is reasonable?
Most experienced STR operators use 5-8% of gross revenue as a maintenance reserve. Lower-end reserves work for newer properties with few systems; older properties or those with pools, hot tubs, or complex HVAC warrant the higher end of the range.
Does the tool account for income taxes on STR profit?
No — it shows pre-tax profit. STR income is taxable as either rental income or self-employment income depending on your level of involvement. Factor in your effective tax rate separately when evaluating whether the net return meets your investment threshold.