What this calculator does
Event tent size works out floor area and footprint needed for a party or event tent, by seating style. 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
FormulaArea = guests × ft² per person for the chosen seating style; length = area ÷ tent width, rounded up to the width
The inputs explained
| Field | What to enter |
|---|---|
| Guests | A number. Starts at 80. |
| Seating style | Choose from Theatre seating (7 ft²/person), Conference seating (8 ft²/person), Formal dinner seating (12 ft²/person), Casual mixed seating (10 ft²/person), Cocktail, standing (8 ft²/person). |
| Standard tent width (ft) | A number, measured in ft. Starts at 20. |
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.