Calculator

Event Drinks Quantity Calculator

Plan event stock requirements from attendance, service assumptions and category mix.

Attendance and pace
Category mix
Container sizes

Results

Enter your assumptions and NodeTools will show the result here.

This calculator estimates stock requirements from the assumptions entered. It is not a recommendation for individual alcohol consumption. Follow licensing conditions and responsible-service practices.

What this calculator does

Event Drinks Quantity Calculator turns hospitality assumptions into a clear planning estimate using decimal arithmetic and explicit VAT inputs.

How to use it

Enter the values from your supplier invoice, menu plan or stock count. Check the VAT fields carefully before relying on the result.

  • Use net values when you are comparing trading performance.
  • Use VAT-inclusive values when matching till prices or supplier invoices.
  • Review the detailed breakdown before copying or exporting the result.

Formula

Total servings = expected guests x planned drinks per guest x (1 + safety buffer percentage).

Common mistakes

The most common mistakes are mixing margin with markup, ignoring wastage, and comparing VAT-inclusive sales with VAT-exclusive costs.

Frequently asked questions

The result is a planning estimate, not tax or accounting advice. If your VAT treatment is unusual, confirm it with a qualified adviser.

Disclaimer

This calculator estimates stock requirements from the assumptions entered. It is not a recommendation for individual alcohol consumption. Follow licensing conditions and responsible-service practices.