Food ALettuce, iceberg (incl. crisphead types), 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)