150g Sourdough Starter in Cups
150 grams of sourdough starter is ⅔ cup — 227g per US cup. A single loaf typically uses a starter weight in this range, at 15-25% of the flour weight.
How many cups is 150g of sourdough starter?
150 grams of sourdough starter equals:
Measuring by hand? That is 10 tablespoons + 1¾ teaspoons.
This assumes an active 100% hydration starter. A stiff starter is denser and a very loose one lighter, so the cup reading drifts either way.
Grams to Cups Converter
Quick select
150 grams of Sourdough Starter is about ⅔ cup, using a 236.588 millilitre cup at 227 grams per cup.
Reading
- cups
- 0.66
- tbsp
- 10.6
- tsp
- 31.7
See the full 150g to cups guide →
See 150g sourdough starter to cups →
US customary cup (236.588ml) · 227g per cup
Dedicated conversion guides use the default US customary cup.
Applies to this page only — the database value (227g per US cup) is unchanged.
150g of sourdough starter vs other ingredients
Grams measure weight and cups measure volume, so the same 150 grams fills a different amount of cup for every ingredient:
| Ingredient | 150g in cups | g per cup |
|---|---|---|
| Sourdough Starter | ⅔ cup | 227 |
| All-Purpose Flour | 1¼ cups | 125 |
| Granulated Sugar | ¾ cup | 200 |
| Butter | ⅔ cup | 227 |
See all 150g conversions on the 150 grams to cups chart.
Nearby sourdough starter amounts
Full ladder on the sourdough starter grams to cups chart.
Frequently Asked Questions
How many cups is 150g of sourdough starter?
150 grams of sourdough starter is ⅔ cup. In kitchen measures that is 10 tablespoons + 1¾ teaspoons, worked out from 227 grams per US cup.
How many grams are in 1 cup of sourdough starter?
One US cup of sourdough starter weighs about 227 grams, one tablespoon about 14.19 grams, and one teaspoon about 4.73 grams. This page divides 150 grams by that cup weight.
Is 150g of sourdough starter the same as 150g of all-purpose flour?
No. 150g of sourdough starter is ⅔ cup, while 150g of all-purpose flour is 1¼ cups. Same weight on the scale, different volume in the cup, because the two have different densities.
How do I measure 150g of sourdough starter without a scale?
Use 10 tablespoons + 1¾ teaspoons. This assumes an active 100% hydration starter. A stiff starter is denser and a very loose one lighter, so the cup reading drifts either way.
Is it better to weigh sourdough starter or measure it in cups?
Weighing is more accurate, especially in baking, because it removes the variation in how the sourdough starter is packed into the cup. If you have no scale, use the cup figure above and keep your measuring method consistent across the whole recipe.