Sourdough starter

100 grams sourdough starter to cups

100 g of sourdough starter is ⅓ cup + 1½ tbsp in US cups.

100 grams of sourdough starter in cups

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100 g of sourdough starter is

⅓ cup + 1½ tbsp

0.43 cups 6.8 tbsp 3.53 oz 101 ml

234 g per cup · Source: King Arthur Baking

Ingredient
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Flours

Sugars

Dairy and fats

Grains, pasta and pulses

Liquids, syrups and oils

Baking extras

Fruit and nuts

Other

Cup size

100 grams sourdough starter to cups in every unit

100 g of sourdough starter in cups, spoons, ounces and ml
UnitAmount
US customary cups0.43
US legal cups0.42
Metric cups0.40
Imperial cups0.36
US tablespoons6.8
Ounces (weight)3.53
Milliliters101

100 g of sourdough starter is 1 tbsp less than ½ cup. 100 g is the same weight as ½ cup of granulated sugar.

The sourdough starter cup weights cover every amount from 10 g to 1 kg.

How to convert 100 g of sourdough starter to cups

  1. Divide by the weight of 1 cup: 100 ÷ 234 = 0.43 US cups.
  2. Fill the ⅓ cup measure.
  3. Add 1½ tablespoons.
  4. Press the sourdough starter into the measure to push out air pockets, level it, then scrape it out with a spatula.
Approximate. 1 cup weighs 227 to 241 g. The weight depends on hydration (the ratio of water to flour) and on how bubbly the starter is.

Questions people ask

How many tablespoons is 100 g of sourdough starter?

100 g of sourdough starter fills 6.8 US tablespoons (101 ml), at 234 g per cup.

Is it better to weigh sourdough starter than to use cups?

Yes. 100 g on a scale is the same every time. In a cup, sourdough starter traps air, and some always stays behind on the sides. Published weights for a cup of sourdough starter run from 227 to 241 g.

How many metric cups is 100 g of sourdough starter?

In 250 ml metric cups, 100 g of sourdough starter is 0.40 cups. That is slightly less than 0.43 US cups, because a metric cup holds more.

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