Rex says
Money math without the spreadsheet headache. Plug in your numbers and I'll show you exactly where the dollars land.
Try a scenario
Click to load — tweak from there.Inputs
Result
Gross margin %
47.6%
Gross margin dollars
$4,860
Total cost per head
$44.50
Total event revenue
$10,200
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How to use this
- 1Enter guest count.
- 2Enter food & beverage cost per head ($).
- 3Enter service staff labor (total) ($).
- 4Enter room + av cost ($).
- 5Enter linen / rentals / decor cost ($).
- 6Enter contracted price per head ($).
- 7Read your gross margin % on the right — it updates as you type.
- 8Hit Share to keep the scenario or send it to someone.
About this calculator
A Banquet Event Order (BEO) is the internal document that specifies everything about a private event — menu, guest count, room setup, AV, staffing, and pricing. Costing a BEO accurately means adding food and beverage cost per head, service staff labor for the room, room/AV rental allocation, and any linen, rental, or decor costs, then comparing to the contracted per-head or flat price. Banquet and event margins typically run higher than a la carte dining, 45-55% gross margin being common, because the volume and advance planning reduce waste and labor inefficiency per cover compared to unpredictable walk-in service. This calculator totals all cost components against the contracted price to show true margin dollars and percentage, which is the number sales managers should check before final signature, not just the headline per-head price the client sees.
Worked example
Using the values the calculator loads with:
Inputs
- Guest count: 120
- Food & beverage cost per head: 22 $
- Service staff labor (total): 1400 $
- Room + AV cost: 800 $
- Linen / rentals / decor cost: 500 $
- Contracted price per head: 85 $
Results
- Gross margin %: 47.6%
- Gross margin dollars: $4,860
- Total cost per head: $44.50
- Total event revenue: $10,200
What each field means
Inputs
- Guest count
- The guest count used in the calculation. Starts at 120 so you have a working example on load.
- Food & beverage cost per head ($)
- The food & beverage cost per head used in the calculation, measured in $. Starts at 22 $ so you have a working example on load.
- Service staff labor (total) ($)
- The service staff labor (total) used in the calculation, measured in $. Starts at 1400 $ so you have a working example on load.
- Room + AV cost ($)
- The room + av cost used in the calculation, measured in $. Starts at 800 $ so you have a working example on load.
- Linen / rentals / decor cost ($)
- The linen / rentals / decor cost used in the calculation, measured in $. Starts at 500 $ so you have a working example on load.
- Contracted price per head ($)
- The contracted price per head used in the calculation, measured in $. Starts at 85 $ so you have a working example on load.
Results
- Gross margin %
- Returned as a percentage and shown as the headline result. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Gross margin dollars
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Total cost per head
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Total event revenue
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
FAQ
What margin should a banquet event target?
45-55% gross margin is typical for hotel and venue banquet business, higher than the 60-70% margin structure of a la carte because per-head pricing already builds in room, AV, and dedicated staffing costs that a la carte dining absorbs into fixed overhead instead.
What's commonly left off a BEO cost estimate?
Setup and teardown labor outside the contracted service window, complimentary items like a cake-cutting fee waiver, gratuity or service charge distribution to staff versus house, and last-minute menu changes that increase food cost without a corresponding price adjustment.
How do minimum guarantees protect margin?
A signed guest count minimum (typically due 72 hours before the event) ensures you're paid for the room, staffing, and rental costs that don't shrink even if 15 guests cancel last minute — without it, a lower turnout can flip a profitable event into a loss.
Should service charge be included as revenue?
Only the portion the house keeps. Many venues pass most or all of a mandatory service charge through to staff as a substitute for tips, in which case it shouldn't be counted as house revenue in your margin calculation.
Accuracy and limitations
- Results are estimates before tax, fees, and inflation unless an input explicitly covers them.
- Rates are treated as fixed for the whole period — variable-rate products will drift from this projection.
- This is educational maths, not financial advice. Check anything contractual with the lender or your accountant.
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Cite this calculator
Writing about this topic? Grab a citation — every link helps keep these tools free.
RevenueLab. (2026). Banquet BEO Cost Calculator. Retrieved from https://www.revenuelab.fyi/toolbox/banquet-beo-cost
<p>Source: <a href="https://www.revenuelab.fyi/toolbox/banquet-beo-cost" target="_blank" rel="noopener">Banquet BEO Cost Calculator — RevenueLab</a> (2026).</p>
Source: [Banquet BEO Cost Calculator — RevenueLab](https://www.revenuelab.fyi/toolbox/banquet-beo-cost) (2026).