Estimate grate area and how many round burger patties will fit with a little elbow room.
| Area | – |
| Patties (fit) | – |
Use this grill size calculator before you invite people over: you know the cooking surface and the size of your patties, and you do not want a second shift.
Grate area is width × depth. Each patty is a circle (πr²). The fit count leaves about 30% slack for tongs and flare-ups, then rounds down. A kettle’s usable grate is less than the lid’s full circle. Lengths can be centimetres or inches; area follows that choice (cm² or in²).
Grate width: Left-to-right cooking grate. 60 cm is a medium gas grill.
Grate depth: Front-to-back of the grate. 40 cm is a typical shallow box.
Patty diameter: Patty diameter. 10 cm is a standard burger; smash burgers are wider and thinner.
Area: Cooking-grate area.
Patties (fit): How many round patties fit with the 30% spacing allowance.
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