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Ultimate BBQ Food Calculator for 20 People Easy Perfect Portions Guide

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A practical and tested BBQ food calculator designed to help you perfectly portion proteins, sides, and drinks for 20 people, ensuring no food waste and happy guests.

Ingredients

  • Beef burgers – about 1/3 pound (150g) per person
  • Boneless chicken thighs – roughly 1/4 pound (110g) per person
  • Pork ribs – allocate about 1/3 pound (150g) per person
  • Hot dogs or sausages – 1 per person (about 4 oz / 115g each)
  • Potato salad – 1/2 cup (120ml) per person
  • Coleslaw – 1/3 cup (80ml) per person
  • Baked beans – 1/3 cup (80ml) per person
  • Corn on the cob – 1/2 ear per person
  • Fresh garden salad – 1 cup (240ml) per person
  • Burger buns – 1 per burger (20 total)
  • Hot dog buns – 1 per hot dog (20 total)
  • Optional: Garlic bread slices – 1-2 per person
  • Ketchup, mustard, mayonnaise – 1 bottle each (about 12 oz / 350g)
  • Pickles and sliced onions – 1/2 cup (120ml) each
  • Cheese slices – 1 per burger
  • BBQ sauce – 1/2 cup (120ml), plus extra for dipping ribs
  • Soft drinks or iced tea – approx. 2 cups (480ml) per person
  • Water – 1 cup (240ml) per person
  • Optional: Beer or cocktails – plan 1-2 drinks per adult

Instructions

  1. Calculate your portions using the ingredient quantities for 20 people, adjusting for vegetarians or kids as needed.
  2. The night before, season beef burgers with salt, pepper, and spices; marinate chicken thighs with olive oil, garlic, and herbs; wrap ribs in foil with BBQ sauce to tenderize overnight.
  3. Prepare potato salad, coleslaw, and baked beans a few hours before guests arrive and keep refrigerated.
  4. Preheat grill about 30 minutes before cooking, setting up a medium-high heat zone for burgers and hot dogs and a cooler side for ribs and chicken.
  5. Place foil-wrapped ribs on indirect heat and cook for 1.5 to 2 hours, turning occasionally.
  6. Grill chicken thighs for 6-8 minutes per side and burgers for 4-5 minutes per side, using a meat thermometer to ensure proper doneness (165°F for chicken, 160°F for beef).
  7. Lightly toast burger and hot dog buns on the grill for 1-2 minutes before serving.
  8. Grill hot dogs for 3-4 minutes, turning often to avoid burning.
  9. Arrange all proteins, sides, and condiments on platters or buffet tables and encourage guests to build their own plates.
  10. Rest cooked meats for 5 minutes covered with foil before serving to lock in juices.

Notes

Do not overcrowd the grill to ensure even cooking. Use a meat thermometer to avoid undercooking or overcooking meats. Let meats rest before serving. Prepare sides ahead and keep refrigerated. Have extra condiments and buns on hand. For non-grill cooking, ribs can be baked at 300°F for 2.5 hours covered, then broiled briefly.

Nutrition

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