Sourdough starter cups to grams chart
1 US cup of sourdough starter (stirred down) weighs 227 g, or 8 oz. That is 107 g heavier than a cup of all-purpose flour (120 g). The weight is from King Arthur Baking, checked in November 2026.
US cups | Grams | Ounces |
|---|---|---|
¼ cup | 57 | 2 |
⅓ cup | 76 | 2.7 |
½ cup | 114 | 4 |
⅔ cup | 151 | 5.3 |
¾ cup | 170 | 6 |
1 cup | 227 | 8 |
1 ½ cups | 341 | 12 |
2 cups | 454 | 16 |
Sourdough starter grams to cups chart
The closest measure you can scoop with cups and spoons, and the exact amount in cups.
Grams | Kitchen measure | Cups |
|---|---|---|
50 g | 3 tablespoons plus 1 ½ teaspoons | 0.22 |
100 g | ¼ cup plus 3 tablespoons | 0.44 |
125 g | ½ cup plus 2 teaspoons | 0.55 |
150 g | ⅔ cup | ⅔ |
200 g | ¾ cup plus 2 tablespoons | 0.88 |
250 g | 1 cup plus 2 tablespoons | 1.1 |
500 g | 2 ¼ cups | 2.2 |
Sourdough starter in tablespoons and teaspoons
1 tablespoon of sourdough starter weighs 14 g and 1 teaspoon weighs 4.5 g. A cup is 16 tablespoons or 48 teaspoons.
Grams | Tablespoons | Teaspoons |
|---|---|---|
5 g | 0.35 | 1.06 |
10 g | 0.7 | 2 ⅛ |
15 g | 1.06 | 3.17 |
25 g | 1 ¾ | 5 ⅓ |
50 g | 3 ½ | 10 ½ |
100 g | 7 | 21 |
How do you measure a cup of sourdough starter?
Press the sourdough starter into the cup so that no air pockets are left, then level the top.
More conversions
All 103 ingredients in one place: the cups to grams converter.
Starting from a weight: the grams to cups converter.
Small amounts: grams to tablespoons and teaspoons.
Flours and starches: All-purpose flour, Bread flour, Cake flour, Pastry flour, Self-rising flour.











