When you begin out cooking, measuring whatever exactly can be a large concern, i m sorry is why start cooks may be put off through recipes that list vague amounts like “a pinch of salt,” or “one tool onion.” despite “pinch” has been pretty much standardized—it’s agreed ~ above to be an 1/8th that a teaspoon—a “medium” onion is a tiny harder to pen down.

You are watching: How much is a medium onion

This is component of The Grown up Kitchen, Skillet’s collection designed come answer your most straightforward culinary questions and also fill in any gaps that might be missing in your home chef education. 


Why Roasting vegetables Is the Best means to chef ThemThere space a the majority of “correct” methods to cook vegetables but—though I’m not a substantial fan the culinary…

Read more

The great news is this: It’s it s okay if she a little imprecise v your onion. Uneven ingredients supplied in baking, no culinary chemistry reactions room hinging on how much onion you’re using. The is, however, nice to have actually guidelines, specifically when you just beginning out, so right here are some approximations come make sure you’re not adding too much or too small onion in your dish:

Small: A small onion have to weigh about 4 ounces, should fit pretty quickly in your hand, and should yield about 1/2 cup once chopped.Medium: A medium onion is around twice as huge as a tiny one, weighing that at roughly 8 ounces and yielding (you guessed it) about a cup once chopped.Large: large onions space three times bigger than little onions (12 ounces), and should provide you around 1 1/2 cup of chopped onion when you acquire at it with a knife.

See more: What Does The Ride Of The Valkyries Star Wars, A Field Guide To “Star Wars” Musical Leitmotifs


Obviously, that unlikely that you’re going to find onions the are specifically 4, 8, or 12 ounces, however things favor this are why I always recommend that everyone own a kitchen scale. However if you nothing yet have actually a scale, i wouldn’t concern too much; one extra ounce or 2 of onion no going to damage your soup or meatloaf or whatever. Extra onion never damaged anything.

Why not provide a far better frame of recommendation than weight due to the fact that most civilization would no bother doing this? For instance you can say that a tool onion is around the size of a baseball, if a big onion is about the dimension of a softball.