Break-even occupancy: the formula, the costs and impossible cases

Define contribution consistently

At $150 per night, zero platform fees, $20 variable cost and no cleaning surplus or shortfall, contribution is $130. With $1,300 in fixed monthly costs, break-even is 10 nights. In a normalized 30-day month, that is 33.3% occupancy.

If a turnover costs $30 more than the cleaning income recovered after fees and the average stay is three nights, allocate a $10 shortfall to every booked night. Contribution becomes $120, so the same fixed costs require 10.83 nights. Fractional nights are a planning estimate, not a bookable reservation.

Read the edge cases

Keep capacity separate from demand

Thirty nights is the tool’s standardized capacity. Your actual month, maintenance blocks, owner stays or permit limits may leave fewer available nights. Compare the threshold with that capacity separately.

A lower break-even occupancy can create more room for uncertainty, but it is not evidence of demand or investment quality. Seasonality, financing changes and one-time repairs can move the threshold. Re-run the worksheet when the cost structure changes.

• Include housing only if assessing after-payment cash flow.
• Do not cap an impossible threshold at 100%.
• Keep maintenance reserves and actual repairs distinct.
• Test lower occupancy without silently raising rates.

Distinguish zero contribution from zero fixed costs

If each booked night contributes nothing and you have fixed costs, no amount of occupancy covers them. If contribution is positive but fixed costs are zero, the fixed-cost threshold is zero nights. A blanket “100% break-even” label would conceal both situations.

If owner use or maintenance reduces capacity, compare required nights with that smaller capacity separately. The calculator’s denominator stays at 30 available nights. It does not silently reinterpret occupancy when fewer dates can be sold.

Reverse the question when the threshold is impossible

If your model needs 40 nights in a 30-day month, inspect the fixed commitment and contribution per night. A rate change, a smaller turnover shortfall or lower fixed costs changes the threshold. Occupancy beyond capacity cannot.

Use the what-if worksheet to vary price and booked share independently. The rate needed for break-even is not necessarily a price guests will accept. The model identifies a condition your operation would have to meet, not evidence that it can meet it.