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Catering Cost Calculator

Budget your event catering with no surprises.

How it is calculated

The tool adds a flat extras amount to the per-guest food bill, then spreads the total over everyone: total = guests × cost per guest + extra fees and true cost per person = total ÷ guests. Extra fees is a single amount in money, not a percentage: put in the sum of anything charged on top, such as staff, delivery, equipment hire, tax or a service charge you have worked out yourself. If you leave it empty it counts as 0, and the per-person figure then equals the plate price. Guests must be a whole number above zero, the cost per guest cannot be negative, and the total cannot end up below zero (a negative extra such as a discount is accepted only while the total stays positive); otherwise no result is shown. Amounts are in dollars, rounded to the cent. The tool does not scale the extras with the guest count.

Worked example

You invite 80 guests at 32 per guest, and the caterer adds 450 for staff and delivery. Food: 80 × 32 = 2,560. Add the extras: 2,560 + 450 = $3,010.00. True cost per person: 3,010 ÷ 80 = 37.625, shown as $37.63. So the real price is about 5.63 more per head than the 32 quoted per plate, which is the figure to compare with other caterers' quotes.

Try this example →

Common mistakes

  • Typing a percentage into Extra fees. If a caterer adds a 20 % service charge, work out the amount first (20 % of the food bill) and type that amount in, because entering 20 adds just 20 to the total.
  • Forgetting that extras are a fixed amount. If the guest count changes, a per-guest fee such as service charge or rentals will change too, so re-enter the extras for the new number.
  • Entering a half count such as 80.5 guests. Guests must be a whole number, so round to the number of people who will be billed.
  • Comparing quotes by the plate price alone. One caterer may include service and tax in the per-guest price and another may not, so compare the true cost per person.
  • Ignoring a minimum guarantee. Many caterers bill for a minimum head count, so the guest count you enter should be the number you will actually be charged for.

About this calculator

Catering budgets are rarely just “price per plate times guest count” — the real total is (per-person rate × guest count) plus the extras that caterers commonly add on top: service staff fees, delivery or setup charges, equipment rental, taxes, and a gratuity or service charge that’s often 18-22% of the food subtotal (this calculator takes extras as one flat amount, so work out the percentage yourself and include it). Leaving any of those out is the single most common way event budgets go over.

Event planners and anyone organizing a wedding, corporate event or large party use this fuller calculation specifically to avoid the sticker shock of a final invoice that’s noticeably higher than the quoted per-person price, since caterers typically quote the base food cost up front and itemize service fees separately. Knowing the true per-person cost — food plus every add-on divided by guest count — is also what lets planners compare quotes from different caterers on a genuinely apples-to-apples basis.

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