Food AOnions, cooked, boiled, drained, without saltServing 100 g (100 g) onions, cup (210 g) onions, tbsp chopped (15 g) onions, large (128 g) onions, slice, large (1/4" thick) (32 g) onions, medium (94 g) onions, slice, medium (1/8" thick) (12 g) onions, small (60 g) onions, slice, thin (8 g)