Convert Onion from Cups (chopped)
Use the tool below to convert onion from Cups (chopped) to the measurement that you need.
How much is a cup of onions?
A cup of onions is 167 grams, about 1.52 medium onions. 0.5 cups of onions is 83.5 grams and 2 cups of onions is 334 grams. Use the converter below for any amount.
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 shallots in cups.
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 cloves in cups.
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 measuring cups? The tool below gets you close, and a measuring cup set keeps every batch the same.
Scoop it right, get measuring cupsOnion converter tool
Enter an amount, pick your units, and set the size for counting whole onions.
Result
1 cupOnion 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.
- Volume Converter Switch between cups, tablespoons, teaspoons and millilitres for any ingredient.
Common Onion conversions
Quick reference for onion at medium size. Switch the size in the converter above for small or large.
| Cups (chopped) | onions |
|---|---|
| 0.25 cups | 0.38 onions |
| 0.5 cups | 0.76 onions |
| 0.75 cups | 1.14 onions |
| 1 cup | 1.52 onions |
| 1.5 cups | 2.28 onions |
| 2 cups | 3.04 onions |
| 3 cups | 4.55 onions |
Onion conversion chart
The chart below shows how whole onions (medium size) convert to cups, grams and ounces.
| cups | onions | cups (US) | g | oz | lb | kg |
|---|---|---|---|---|---|---|
| 0.25 cups | 0.38 onions | 0.26 cups (US) | 41.75 g | 1.47 oz | 0.09 lb | 0.04 kg |
| 0.5 cups | 0.76 onions | 0.52 cups (US) | 83.5 g | 2.95 oz | 0.18 lb | 0.08 kg |
| 1 cup | 1.52 onions | 1.04 cups (US) | 167 g | 5.89 oz | 0.37 lb | 0.17 kg |
| 1.5 cups | 2.28 onions | 1.57 cups (US) | 250.5 g | 8.84 oz | 0.55 lb | 0.25 kg |
| 2 cups | 3.04 onions | 2.09 cups (US) | 334 g | 11.78 oz | 0.74 lb | 0.33 kg |
Frequently Asked Questions
- How much is a cup of onions?
- A cup of onions is 167 grams, or about 1.52 medium onions. The ratio is fixed, so 0.5 cups of onions is 83.5 grams and 2 cups of onions is 334 grams. Use the converter above for any amount, or the chart above for the most common quantities. Open the onion converter
- How much is a cup of onions in grams?
- A cup of onions is 167 grams. The conversion scales in a straight line, so 0.5 cups of onions is 83.5 grams and 2 cups of onions is 334 grams. Multiply or divide that figure to match whatever your recipe needs, or use the converter above for an exact reading at any amount.
- How do I convert cups to US cups for any recipe?
- Switching between metric cups and US cups is a fixed volume ratio that applies to any ingredient, since one US cup is 240 ml and one metric cup is 250 ml. The volume converter at the link below covers cups, US cups, millilitres, tablespoons and teaspoons in both directions. Cups to US cups converter
Onion measurement options
Choose from the following measurements to convert to