THE NUMBERS, EXPLAINED
How to use this calculator.
Repeat bookings have the same value and stay cost with no further acquisition cost; excludes overhead, discounting and demand prediction.
Start with your inputs
Enter booking value (currency), variable stay cost (currency), direct acquisition cost per booking (currency), ota commission (%), expected repeat bookings per acquired direct customer. Keep amounts in the units shown on each field. The example is a starting point, not a recommended value.
| Input | Example value |
|---|---|
| Booking value (currency) | 200 |
| Variable stay cost (currency) | 80 |
| Direct acquisition cost per booking (currency) | 15 |
| OTA commission (%) | 20 |
| Expected repeat bookings per acquired direct customer | 1 |
A worked example
With the example inputs above, first direct booking contribution (currency) is 105. Change the inputs to explore your own scenario.
| Result | Example answer |
|---|---|
| First direct booking contribution (currency) | 105 |
| OTA booking contribution (currency) | 80 |
| Direct customer lifetime scenario contribution | 225 |
How this is calculated
First direct booking contribution (currency)
Deduct stay and direct acquisition costs.
OTA booking contribution (currency)
Deduct OTA commission and stay costs.
Direct customer lifetime scenario contribution
Apply one acquisition cost across initial and assumed repeat bookings.
Symbols and units
- a
- Booking value (currency)
- b
- Variable stay cost (currency)
- c
- Direct acquisition cost per booking (currency)
- d
- OTA commission (%)
- e
- Expected repeat bookings per acquired direct customer
Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.
Assumptions and limits
Repeat bookings have the same value and stay cost with no further acquisition cost; excludes overhead, discounting and demand prediction.
Calculations use the values you enter. Blank or invalid inputs show an error instead of silently substituting zero. Results are displayed to useful precision; calculations retain the underlying numeric precision.
Questions about this tool
What does the result tell me?
First direct booking contribution (currency); OTA booking contribution (currency); Direct customer lifetime scenario contribution. The result applies to the method and inputs described above. Check the units and assumptions before using it in a decision.
Why might another calculator differ?
Differences in units, rounding, timing or model definitions can produce different answers. Compare the input definitions and the method, rather than only the final number. For this tool: Repeat bookings have the same value and stay cost with no further acquisition cost; excludes overhead, discounting and demand prediction.
Are my inputs stored or sent to AI?
Calculations on this page happen in your browser. The separate AI question finder sends its submitted conversation to OpenAI; these calculator fields are not sent. Favourites and recent tool names are stored locally. A shared link contains the inputs you choose to include.
Further reading
OpenStax: Describe and Identify Cost Drivers ↗
Background reading; this does not imply endorsement or independent review of SumFizz.
Review status
Software example and browser checks are recorded in our quality report. No external expert review is claimed. Created with coding assistance; calculations run as ordinary browser code.
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