Convert Spring Onion from US cups (chopped) to Kilograms
Spring Onion converter
Use the tool below to convert spring onion from US cups (chopped) to Kilograms.
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 kg is a US cup of spring onions?
A US cup of spring onions is about 0.1 kg. Half that is about 0.05 kg and double about 0.19 kg, so the ratio scales in a straight line. Use the converter above for any amount, or the chart below for the most common quantities.
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 our Onion converter.
Shallots (20–60 g) are more delicate than spring onions and better suited to dressings and pan sauces. See our Shallot converter.
No measuring cups? The tool below gets you close, and a measuring cup set keeps every batch the same.
Enter an amount, pick your units, and set the size for counting whole spring onions.
Result
0.1 kgCommon Spring Onion conversions
Quick reference for spring onion at medium size. Switch the size in the converter above for small or large.
| US cups (chopped) | Kilograms |
|---|---|
| 0.25 cups (US) | 0.02 kg |
| 0.5 cups (US) | 0.05 kg |
| 0.75 cups (US) | 0.07 kg |
| 1 cup (US) | 0.1 kg |
| 1.5 cups (US) | 0.14 kg |
| 2 cups (US) | 0.19 kg |
| 3 cups (US) | 0.29 kg |
Spring Onion conversion chart
The chart below shows how whole spring onions (medium size) convert to cups, grams and ounces.
| cups (US) | kg | spring onions | cups | g | oz | lb |
|---|---|---|---|---|---|---|
| 0.25 cups (US) | 0.02 kg | 1.6 spring onions | 0.24 cups | 24 g | 0.85 oz | 0.05 lb |
| 0.5 cups (US) | 0.05 kg | 3.2 spring onions | 0.48 cups | 48 g | 1.69 oz | 0.11 lb |
| 1 cup (US) | 0.1 kg | 6.4 spring onions | 0.96 cups | 96 g | 3.39 oz | 0.21 lb |
| 1.5 cups (US) | 0.14 kg | 9.6 spring onions | 1.44 cups | 144 g | 5.08 oz | 0.32 lb |
| 2 cups (US) | 0.19 kg | 12.8 spring onions | 1.92 cups | 192 g | 6.77 oz | 0.42 lb |
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 kg is a US cup of spring onions?
- A US cup of spring onions is about 0.1 kg of spring onion. The density of chopped spring onion is fixed, so the ratio holds at any amount: double the US cups and you double the kg. Use the converter above for any quantity, or the chart below for the most common amounts. Open the spring onion converter
- How many US cups of spring onions is 0.1 kg?
- 0.1 kg of spring onions is about 1.04 US cups. The conversion works the same in reverse, so you can switch between US cups and kg without changing the result. This helps when a recipe lists one unit but you would rather measure the other. Use the converter above for any amount.
- 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.
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