[header] How to buy a charcoal grill [title] Determine the size of the grill you need. [substeps] Charcoal grills come in many sizes-from the tiny hibachi to huge kettle grills. To determine the best size for you, think about the kinds and amount of food that you'll be cooking. 
You may simply be cooking burgers for 2 or you may be cooking for a crowd. Unless you are in the market for a hibachi-style grill, you should consider at least 300 square inches (762 square cm) of cooking space.