Flours & Starches
Convert cups of tapioca starch to grams
One cup of tapioca starch weighs about 120 g, and half a cup comes to roughly 60 g. Enter any amount below to convert it, or use the chart further down as a quick reference while you cook.
1 cup of tapioca starch =
120 g
- oz
- 4.23
- kg
- 0.12
- lb
- 0.265
Tapioca Starch: 120 g per US cup · FAO / INFOODS density database. Tapioca starch and tapioca flour are the same product; both are very light and static-prone.
Full tapioca starch chart →Tapioca Starch at a glance
Every number on this page comes from a single figure: 120 grams per US cup (FAO / INFOODS density database).
- 1 cup
- 120 g
- 1 tablespoon
- 7.5 g
- 1 teaspoon
- 2.5 g
- 1 cup in ounces
- 4.23 oz
- 100 g in cups
- 0.833 cups
- Density
- 0.51 g/ml
cups to grams chart for tapioca starch
Print it, screenshot it, or bookmark this page — these are the amounts recipes ask for most often.
| Cups (US) | Grams | Ounces (weight) | Pounds |
|---|---|---|---|
| 1/8 cup | 15 g | 0.529 oz | 0.033 lb |
| 1/4 cup | 30 g | 1.06 oz | 0.066 lb |
| 1/3 cup | 40 g | 1.41 oz | 0.088 lb |
| 1/2 cup | 60 g | 2.12 oz | 0.132 lb |
| 2/3 cup | 80 g | 2.82 oz | 0.176 lb |
| 3/4 cup | 90 g | 3.17 oz | 0.198 lb |
| 1 cup | 120 g | 4.23 oz | 0.265 lb |
| 1 1/2 cup | 180 g | 6.35 oz | 0.397 lb |
| 2 cup | 240 g | 8.47 oz | 0.529 lb |
| 3 cup | 360 g | 12.7 oz | 0.794 lb |
| 4 cup | 480 g | 16.9 oz | 1.06 lb |
How this conversion is calculated
Volume-to-weight conversions are only as good as the density behind them. We treat tapioca starch as 120 g per US customary cup, which works out to 0.507 g/ml. From there:
- Your cups figure is converted into millilitres or grams using standard unit sizes (cup = 237 ml).
- The density above bridges volume and weight in whichever direction you need.
- The result is rounded the way a cook would round it — to the nearest gram, or to a usable fraction such as 7/8 cups.
Measuring tapioca starch accurately
Tapioca starch and tapioca flour are the same product; both are very light and static-prone.
If a recipe matters to you — bread, macarons, anything with a tight hydration or ratio — weigh it. A £10 digital scale removes the single largest source of variation in home baking, and it is faster than washing three measuring cups.
When cups are fine
- Liquids measured in a proper jug, where volume is the honest unit anyway.
- Forgiving savoury cooking: soups, stews, stir-fries, marinades.
- Small amounts of leaveners and spices, as long as you use level spoons.
Frequently asked questions
How many grams are in 1 cup of tapioca starch?
1 cup of tapioca starch is 120 g. This is based on a density of 120 g per US cup.
How many grams are in 2 cups of tapioca starch?
2 cups of tapioca starch is 240 g, and 60 g for half a cup.
How much is 100 g of tapioca starch in cups?
100 g of tapioca starch is about 7/8 cups. Weight is always the more reliable measurement, so use a scale when the recipe gives grams.
Why do other sites give a different number for tapioca starch?
Tapioca starch and tapioca flour are the same product; both are very light and static-prone.
Do UK and Australian cups give the same result?
No. A US customary cup is 236.6 ml, a metric cup used in Australia and New Zealand is 250 ml, and an old UK imperial cup is 284 ml. Our default is the US cup, but you can pick metric cups in the converter.