Convert Spring Onion from Cups (chopped) to Whole Spring onions
Spring Onion converter
Use the tool below to convert spring onion from Cups (chopped) to Whole Spring onions.
Spring onion size ranges from a slim 10 g stalk to a plump 25 g one (2.5 times the weight). Setting the size below keeps three spring onions consistent whether you have spindly salad onions or fat bunching onions.
How many spring onions are in a cup?
One cup of chopped spring onion needs about 6.67 medium spring onions. With small spring onions that rises to roughly 10, and with large spring onions it drops to about 4. Enter the cups your recipe asks for to read off how many whole spring onions to chop.
Out of spring onion? See spring onion substitutes →
Need a stronger onion flavour? Standard onions (70–150 g) are larger with bold, layered sweetness. See how many onions are in a cup.
Shallots (20–60 g) are more delicate than spring onions and better suited to dressings and pan sauces. See how many shallots are in a cup.
No measuring cups? The tool below gets you close, and a measuring cup set keeps every batch the same.
Scoop it right, get measuring cupsEnter an amount, pick your units, and set the size for counting whole spring onions.
Result
6.67 spring onionsCommon Spring Onion conversions
Quick reference for spring onion at medium size. Switch the size in the converter above for small or large.
| Cups (chopped) | spring onions |
|---|---|
| 0.25 cups | 1.67 spring onions |
| 0.5 cups | 3.33 spring onions |
| 0.75 cups | 5 spring onions |
| 1 cup | 6.67 spring onions |
| 1.5 cups | 10 spring onions |
| 2 cups | 13.33 spring onions |
| 3 cups | 20 spring onions |
For the reverse conversion, see what one medium spring onion is in cups.
Spring Onion conversion chart
The chart below shows how whole spring onions (medium size) convert to cups, grams and ounces.
| cups | spring onions | cups (US) | g | oz | lb | kg |
|---|---|---|---|---|---|---|
| 0.25 cups | 1.67 spring onions | 0.26 cups (US) | 25 g | 0.88 oz | 0.06 lb | 0.03 kg |
| 0.5 cups | 3.33 spring onions | 0.52 cups (US) | 50 g | 1.76 oz | 0.11 lb | 0.05 kg |
| 1 cup | 6.67 spring onions | 1.04 cups (US) | 100 g | 3.53 oz | 0.22 lb | 0.1 kg |
| 1.5 cups | 10 spring onions | 1.56 cups (US) | 150 g | 5.29 oz | 0.33 lb | 0.15 kg |
| 2 cups | 13.33 spring onions | 2.08 cups (US) | 200 g | 7.05 oz | 0.44 lb | 0.2 kg |
Spring Onion varieties and best uses
The conversions above are the same whatever variety you use; the difference is what each is good for. Here is how the common spring onion varieties compare.
| Variety | Best for |
|---|---|
| Scallion (green onion) | All-purpose use raw or cooked: mild, crisp, and fresh; the standard supermarket spring onion. |
| Welsh onion (negi) | Stir-fries and cooked dishes: more pungent and heat-tolerant than common scallions. |
| Bunching onion | Asian dishes and pickling: slightly bulbous base, bold flavour, very versatile. |
Which should I pick?
For most recipes (stir-fries, salads, soups, and garnishes) a standard scallion (green onion) is the default: mild, fresh, and edible from root to tip. Welsh onions are more pungent and hold up better to heat; use them when you want stronger flavour in cooked dishes. Bunching onions have a slightly bulbous base and bolder flavour: the everyday choice in many Asian cuisines.
Frequently Asked Questions
- How many cups is one medium spring onion?
- One medium spring onion (about 15 g) gives roughly 0.15 cups of chopped flesh. A small one (around 10 g) yields about 0.1 cups and a large one (around 25 g) about 0.25 cups, so set the size selector to match the spring onions you actually have before you trust the figure. Open spring onion converter
- How much does a medium spring onion weigh?
- A medium spring onion weighs about 15 g, with a small one around 10 g and a large one near 25 g. That range changes the weight of any recipe that counts spring onions by the piece, so set the size selector to match what you actually have before trusting a cup or gram figure.
- How much does an average spring onion weigh?
- An average spring onion is the same as a medium one: about 15 g. A small spring onion is lighter at around 10 g and a large one heavier at about 25 g, so the size you actually have changes the total for any recipe that counts spring onions by the piece rather than by weight.
- Which spring onion variety should I use?
- For most recipes (stir-fries, salads, soups, and garnishes) a standard scallion (green onion) is the default: mild, fresh, and edible from root to tip. Welsh onions are more pungent and hold up better to heat; use them when you want stronger flavour in cooked dishes. Bunching onions have a slightly bulbous base and bolder flavour: the everyday choice in many Asian cuisines.
- How much does a large spring onion weigh?
- A large spring onion weighs about 25 g, noticeably more than a medium, or average, one at 15 g or a small one at 10 g. Set the size selector to large to convert cups, grams and ounces for the bigger spring onions you actually have on the counter.
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