What this calculator does
Party drink planner works out total drinks needed for a party, split across beer, wine and spirits. Enter your own figures above and the answer updates as you type: nothing is fixed in the code, so the result reflects exactly the numbers you supply.
The formula this calculator evaluates is printed under the tool and explained below, so you can check the working by hand or reuse it in a spreadsheet.
The formula
Formulatotal drinks = guests × hours × drinks/person/hour; beer = total × beer%; wine = remainder × wine%; spirits = what’s left
The inputs explained
| Field | What to enter |
|---|---|
| Guests | A number. Starts at 30. |
| Party length (hours) | A number, measured in hours. Starts at 4. |
| Drinks per person per hour | A number. Starts at 1. |
| Share as beer (%) | A number, measured in %. Starts at 40. |
| Share of the rest as wine (%) | A number, measured in %. Starts at 60. |
Worked examples
Every figure in the tables below is produced by this page’s own calculator at build time, so the numbers and the tool always agree. Select any row to load that scenario.
How the answer changes with guests
Every other input is held at the calculator’s starting values while guests varies. Select any row to load that scenario into the calculator.