cociana

How much to buy

Quantity Calculator

Guest count, service style and menu shape turned into a shopping list in kilos, litres and pieces, with the corrections professionals apply for buffets, long nights and hot weather.

What it does

Catering quantities are not recipe quantities. A kitchen buys per guest and per service style, then corrects for the things that change appetite: how long people stand, how hot it is, whether they serve themselves and how many courses came before. This planner uses the same per head figures a professional kitchen works from, and shows the correction it applied.

How to use it

  • Set the guest count and the service style
  • Choose the courses your menu actually has
  • Adjust for children, heat and a late night
  • Copy the list into your shopping or into an email to your chef

Notes

  • Quantities are raw purchase weights, not cooked yields
  • Fish on the bone and meat on the bone carry a 45 per cent loss, which is already included
  • Always buy the centrepiece one size larger: a bigger fish or joint costs less per head and cooks better