Food ALettuce, iceberg, rawServing 100 g (100 g) lettuce, cup shredded (72 g) lettuce, cup, chopped (1/2" pieces, loosely packed) (57 g) lettuce, head, large (755 g) lettuce, head, medium (6" dia) (539 g) lettuce, head, small (324 g) lettuce, leaf, large (15 g) lettuce, leaf, medium (8 g) lettuce, leaf, small (5 g) lettuce, NLEA Serving (89 g)