One potato, two potato, small potato, medium potato

Have you ever wondered what a medium potato was? How about a medium onion? What might be medium to one is probably quite different for another person.

Celery 1 bunch = (2 pounds) = 3 C diced
Eggs = 5 whole (lg) = 1 C
Eggs = 1 Large = 2 ounces
Egg Whites = 6 XL, 8L, 10-11 Med = 1 C
Egg Yolks = 12-14 yolks = 1 C
Small Onion = ½ C Diced
Medium Onion = 3/4 C Diced
Large Onion = 1 C Diced
Small Potato = ¼ pound = ½ C + 2 T Diced
Medium Potato = 1/3 pound = 2/3 C Diced
Large Potato = ½ pound = 1 C Diced

I hope this helps a little with recipe conversions and when recipes call for 2 lg potatoes instead of 2C diced potatoes.