Convert Onion from Ounces to Whole Onions

Use the tool below to convert onion from Ounces to Whole Onions.

More about measuring Onion

How many onions are in an ounce?

An ounce of onions is about 0.26 of a medium onion, based on a medium onion of 110 g. Small onions push that figure up and large ones bring it down, so set the size selector to match what you have, then read the exact count above.

Related Onion Ingredients

Already chopping? The chopped onion converter moves straight between cups, grams, and spoons of prepped onion. See our Chopped Onion converter.

Need a milder, more delicate allium? Shallots (20–60 g) suit dressings and pan sauces. See our Shallot converter.

Spring onions (10–25 g) are tender and herbaceous, great raw or as a garnish. See our Spring Onion converter.

Mincing garlic for the same dish? Garlic cloves (2–7 g) bring pungent bite where onion brings sweet body. See how many cloves are in an ounce.

Want a crisp, peppery bite? Radishes (8–25 g) are sharp and crunchy, good raw in slaws or quick pickles. See our Radish converter.

Out of onion? See onion substitutes →

No scale? The tool below gives a good estimate, but for exact bakes a digital kitchen scale removes the guesswork.

Weigh it exact, get a scale

Onion converter tool

Enter an amount, pick your units, and set the size for counting whole onions.

Size applies to whole onions (small / medium / large).

Result

0.26 onions

Onion Calculators & Kitchen Tools

Working with onion? These tools handle the jobs a converter cannot.

  • Oven to Air Fryer Converter Match the temperature and time when you swap the oven for an air fryer, fan oven, or slow cooker.
  • Recipe Scaler Scale any recipe up or down and keep every ingredient in ratio.

Common Onion conversions

Quick reference for onion at medium size. Switch the size in the converter above for small or large.

Ouncesonions
1 oz0.26 onions
2 oz0.52 onions
4 oz1.03 onions
8 oz2.06 onions
16 oz4.12 onions
32 oz8.25 onions

Frequently Asked Questions

How many onions is 1 ounce?
An ounce of onions is about 0.26 of a medium onion, since a medium onion weighs 110 g. With small onions that figure is about 0.4 and with large onions about 0.19. Set the size selector to match what you have, then read the exact count above. The converter runs both ways for any weight. Open the onion converter
How many onions is 8 ounces?
8 ounces of onions is about 2 medium onions. Size changes that count: with small onions it is nearer 3 and with large ones about 2, since a small onion weighs around 70 g, a medium one 110 g and a large one 150 g. Set the size selector above to match yours, then read the exact count for any amount of onion.
How much do 3 onions weigh in ounces?
3 medium onions weigh about 11.64 ounces, since a medium onion is around 110 g. Small onions come to roughly 7.41 ounces and large ones about 15.87 ounces, so size moves the total. Set the size selector above to match your onion, then read the exact weight for any count.