Convert Onion from Whole Onions to Pounds
Use the tool below to convert onion from Whole Onions to Pounds.
How much does an onion weigh in pounds?
A medium, or average, onion weighs about 0.24 lb (110 g), so four medium onions come to roughly 0.97 lb. A small onion is about 0.15 lb and a large one about 0.33 lb. Set the size selector to match what you have for an exact weight.
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 what one medium clove is in pounds.
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 →
Onion converter tool
Enter an amount, pick your units, and set the size for counting whole onions.
Result
0.24 lbOnion 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.
| onions | Pounds |
|---|---|
| 1 onion | 0.24 lb |
| 2 onions | 0.49 lb |
| 3 onions | 0.73 lb |
| 4 onions | 0.97 lb |
| 5 onions | 1.21 lb |
| 6 onions | 1.46 lb |
For the reverse conversion, see how many onions are in a pound.
Frequently Asked Questions
- How much does a medium onion weigh in pounds?
- A medium onion weighs about 0.24 lb (3.88 oz, 110 g). A small one is about 0.15 lb and a large one about 0.33 lb, so the pound total shifts with size. Set the size selector to match the onions you actually have before trusting a per-pound count, since the same weight in pounds maps to a different number of whole onions at each size. Open onion converter
- How many pounds is 2 onions?
- 2 onions are about 0.49 pounds. The ratio is fixed, so one medium onion is 0.24 pounds and the figure scales in a straight line as you multiply or divide. Scaling a recipe up or down keeps the same proportion, so work from whichever amount your recipe lists. Use the converter above for any other quantity of onion.
- How many pounds is 3 onions?
- 3 onions are about 0.73 pounds. The ratio is fixed, so one medium onion is 0.24 pounds and the figure scales in a straight line as you multiply or divide. Scaling a recipe up or down keeps the same proportion, so work from whichever amount your recipe lists. Use the converter above for any other quantity of onion.