Potatoes can weigh anywhere from 1/10 pound to 1/2 pound, depending on their size. If you’re making mashed potatoes, figure you will need 1/3 to 1/2 pound of potatoes per person. You may want to add a bit extra, however, as most people tend to pile on the mashed potatoes. With that in mind, here’s a general guide for how many potatoes you’ll need, if everyone consumes 3/4 pound: 4 people – 3 pounds (6 large potatoes) 6 people – 4.5 pounds (9 large potatoes) 12 people – 9 pounds (18 large potatoes) If you’re making roasted potatoes, figure you will need 1/2 pound of potatoes per person. If each person eats 1/2 pound, here’s how many potatoes you’ll need: 4 people – 2 pounds (4 large potatoes) 6 people – 3 pounds (6 large potatoes) 12 people – 6 pounds (12 large potatoes) If you’re making baked potatoes, figure each person will eat one large (1/2 pound) potato. Based on everyone consuming 1/2 pound, here’s how much you’ll need to get: 4 people – 2 pounds (4 large potatoes) 6 people – 3 pounds (6 large potatoes) 12 people – 6 pounds (12 large potatoes) Of course, be sure to buy a few extra potatoes if you’re hoping to have Thanksgiving leftovers for the week to come! Next up: How Much Pasta Do You Need for Dinner?