Demitasse Cup + Saucer: 4 Ounce Dinner Plate: 10.25″ Diameter Luncheon Plate: 9.5″ Diameter Salad + Dessert Plate: 7.75″ Diameter Bread + Butter Plate: 6.75″ Diameter Soup Plate: 8.75″ Diameter Coffee Cup + Saucer: 8 Ounce