Calculators
Cost Per Occupied Bed (CPOB) Calculator
What it actually costs you to put a guest in a bed for a night. Enter your total operating costs and occupied bed-nights to find out.
Formula
CPOB = Total Operating Costs ÷ Total Occupied BedsEverything it took to run the place this period, staff, rent, utilities, laundry, OTA fees
Bed-nights actually filled over the same period
Cost Per Occupied Bed
$0.00
per occupied bed-night
What this means
Your ADR must be above $0.00 to make a profit on each bed sold. If it is lower, you are losing money on every occupied bed.
Reading your cost per occupied bed
RevPAB tells you what you earn per bed; CPOB tells you what it costs to fill one. Take everything it took to run the hostel over a period and divide it by the number of bed-nights you actually sold, and you get the cost of hosting one guest for one night. Set that figure next to your rate and you stop guessing about margins, you can see whether each bed is making money or quietly losing it.
What belongs in "total operating costs"
Why CPOB falls as you fill more beds
CPOB against your rate is the margin
The number is only as honest as the costs you feed it, and the most common mistake is leaving things out. A real operating-cost figure includes the lot: rent or mortgage, every wage, utilities and internet, laundry, cleaning supplies, OTA commissions, software subscriptions, routine maintenance, and insurance. Skip a few of those and your CPOB comes out flatteringly low, which is worse than not calculating it at all because it tells you you're profitable when you might not be.
The one category to keep out is one-off capital spending, a new roof, a bunk-bed refit, the renovation that turned the basement into a bar. Those aren't part of the recurring cost of hosting a guest tonight, and folding them in distorts the per-bed number. Keep CPOB to ongoing operating costs and handle big capital items separately.
Here's the part that catches people out: CPOB isn't a fixed number, it moves with your occupancy. A big chunk of your costs, rent, salaried staff, software, insurance, stay exactly the same whether you sell 20 beds or 200. When you spread that fixed cost across more occupied beds, the cost per bed drops. Sell fewer beds and the same fixed cost gets divided among fewer of them, so CPOB climbs.
This is why a quiet month can hurt twice over. You're not just taking less revenue; your cost per occupied bed is also rising at exactly the moment you can least afford it. Understanding that relationship is what lets you set a minimum occupancy you need to hold to keep CPOB under your rate, rather than discovering after the fact that a slow stretch quietly turned unprofitable.
The single most useful thing you can do with CPOB is hold it up against your ADR. If your average rate is comfortably above your CPOB, the gap is your margin per bed, that's the money the business actually runs on. If your rate is below your CPOB, you're losing money on every guest you check in, and no amount of "making it up on volume" fixes a per-bed loss; volume just makes it bigger.
Track CPOB monthly and, if you can, split it into fixed and variable costs. That split feeds straight into your break-even calculation and makes it obvious which lever to pull when margins tighten, chase occupancy to dilute fixed costs, or attack the variable costs that scale with every booking.
What belongs in "total operating costs"
The number is only as honest as the costs you feed it, and the most common mistake is leaving things out. A real operating-cost figure includes the lot: rent or mortgage, every wage, utilities and internet, laundry, cleaning supplies, OTA commissions, software subscriptions, routine maintenance, and insurance. Skip a few of those and your CPOB comes out flatteringly low, which is worse than not calculating it at all because it tells you you're profitable when you might not be.
The one category to keep out is one-off capital spending, a new roof, a bunk-bed refit, the renovation that turned the basement into a bar. Those aren't part of the recurring cost of hosting a guest tonight, and folding them in distorts the per-bed number. Keep CPOB to ongoing operating costs and handle big capital items separately.
Why CPOB falls as you fill more beds
Here's the part that catches people out: CPOB isn't a fixed number, it moves with your occupancy. A big chunk of your costs, rent, salaried staff, software, insurance, stay exactly the same whether you sell 20 beds or 200. When you spread that fixed cost across more occupied beds, the cost per bed drops. Sell fewer beds and the same fixed cost gets divided among fewer of them, so CPOB climbs.
This is why a quiet month can hurt twice over. You're not just taking less revenue; your cost per occupied bed is also rising at exactly the moment you can least afford it. Understanding that relationship is what lets you set a minimum occupancy you need to hold to keep CPOB under your rate, rather than discovering after the fact that a slow stretch quietly turned unprofitable.
CPOB against your rate is the margin
The single most useful thing you can do with CPOB is hold it up against your ADR. If your average rate is comfortably above your CPOB, the gap is your margin per bed, that's the money the business actually runs on. If your rate is below your CPOB, you're losing money on every guest you check in, and no amount of "making it up on volume" fixes a per-bed loss; volume just makes it bigger.
Track CPOB monthly and, if you can, split it into fixed and variable costs. That split feeds straight into your break-even calculation and makes it obvious which lever to pull when margins tighten, chase occupancy to dilute fixed costs, or attack the variable costs that scale with every booking.
Frequently Asked Questions
- All recurring operating costs: rent or mortgage, staff wages, utilities, internet, laundry, cleaning supplies, OTA commissions, software subscriptions, maintenance, and insurance. Leave out one-off capital spending like renovations or new furniture, those aren't part of the day-to-day cost of hosting a guest.
- Because a large share of your costs are fixed. Rent and salaried staff cost the same regardless of how many beds you sell, so when occupancy is high you spread them across more beds and CPOB drops; when occupancy falls, the same costs divide among fewer beds and CPOB rises. It moves inversely with how full you are.
- They're two views of the same cost base. CPOB gives you the average cost per occupied bed; break-even splits costs into fixed and variable to tell you the minimum beds you must sell to cover everything. Running both together gives you the full margin and profitability picture.
- Two routes. Raise occupancy so your fixed costs spread across more beds, or cut the costs themselves, renegotiate supplier contracts, tighten linen and laundry usage, automate front-desk tasks to trim staffing hours, and shift bookings from higher-commission channels toward direct where it makes sense.
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