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Calcimator

Party Supplies Calculator

Calculate exactly how many plates, cups, napkins, utensils, tablecloths, and trash bags you need for your event.

Inputs

hours

Results

Plates

100

Cups160
Napkins150
Forks100
Knives75
Spoons75
Tablecloths7
Trash Bags14
How to Use This Calculator
  1. Enter the Number of Guests attending your event.
  2. Set Event Duration in hours so the calculator can scale cups and napkins for drink refills.
  3. Select the Meal Type — Full Meal, Light Snacks/Appetizers, or Dessert Only — to set plates and cutlery counts.
  4. Review the outputs: Plates, Cups, Napkins, Forks, Knives, Spoons, Tablecloths, and Trash Bags.
  5. Add a 10–15% buffer when purchasing disposable supplies to cover spills and unexpected guests.

How the result changes with Number of Guests

Number of GuestsPlates
55110
178356
327654
451902

What each input means

Number of Guests
Total number of guests attending the event.
Event Duration
How long the event will last in hours.
Meal Type
Type of food being served determines supply quantities.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    Number of Guests = 50, Event Duration = 4, Meal Type = 1 = 3 input(s) provided
  2. Calculate Plates
    Plates
    100 = 100
  3. Calculate Cups
    Cups
    160 = 160
  4. Calculate Napkins
    Napkins
    150 = 150

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