Niman Ranch USDA Choice Chuck Roast weigh approximately 2.5 lbs each. To receive 2 Chuck Roasts with your order, please add 5 lbs to your cart. For three roasts, please add 7.5 lbs to your cart, and so on for each additional roast. If the weight increment is between those increments, we will do our best, but we will automatically round DOWN to the next whole roast when necessary.