BBQ Quantity Calculator — Food & Fuel for Your Barbecue
Calculate exactly how much food, fuel, and supplies you need for your BBQ.
Total number of people attending
Total duration of the event or activity
Meal time
Adults % as a percentage
Teens % as a percentage
Children % as a percentage
How We Calculate This
The calculator uses guest age mix to work out effective portions:
- Adults: 1 full portion (~300g meat)
- Teenagers: 0.85 of an adult portion
- Children: 0.5 of an adult portion
Dinner BBQs get a 15% uplift over lunch. Veggie options default to 15% of guests.
Frequently Asked Questions
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Last updated: March 2026
All calculations are estimates. Adjust quantities based on your guests and event type.