Cups & Temps

How many grams in a cup of baking soda?

One US cup of baking soda weighs about 221 grams (7.8 oz). A tablespoon is about 14 g and a teaspoon about 4.6 g.

1 cup
221 gDerived from USDA FDC SR Legacy 175040 'Leavening agents…
1 tablespoon
14 g1/16 cup
1 teaspoon
4.6 g1/48 cup
100 grams
0.452 cup7.24 tablespoons

Weights from USDA FoodData Central and King Arthur Baking. Checked .

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221grams

1 cup of baking soda = 221 grams

    Baking soda cups to grams chart

    CupsGramsOunces
    1/8 cup27.6 g0.974 oz
    1/4 cup55.2 g1.95 oz
    1/3 cup73.7 g2.6 oz
    1/2 cup110 g3.9 oz
    2/3 cup147 g5.2 oz
    3/4 cup166 g5.85 oz
    1 cup221 g7.8 oz
    1 1/2 cups332 g11.7 oz
    2 cups442 g15.6 oz
    3 cups663 g23.4 oz
    4 cups884 g31.2 oz

    Baking soda grams to cups

    GramsCupsTablespoons
    25 g0.113 cups ≈ 1/8 cup1.81 tbsp
    50 g0.226 cups3.62 tbsp
    100 g0.452 cups7.24 tbsp
    125 g0.566 cups9.05 tbsp
    150 g0.679 cups10.9 tbsp
    200 g0.905 cups14.5 tbsp
    250 g1.13 cups ≈ 1 1/8 cup18.1 tbsp
    300 g1.36 cups21.7 tbsp
    400 g1.81 cups29 tbsp
    500 g2.26 cups36.2 tbsp
    1000 g4.52 cups72.4 tbsp

    How we got 221 g

    Derived from USDA FDC SR Legacy 175040 'Leavening agents, baking soda': 1 tsp = 4.6 g; x 48 = ~221 g.

    • King Arthur (1/2 tsp = 3 g, i.e. 6 g/tsp, x48): 288 g per cup

    Fine powder; sources disagree on teaspoon weight (4.6 vs 6 g).

    tsp grams: 4.6

    Questions people ask

    1 tsp baking soda in grams?

    About 4.6 g in 1 teaspoon of baking soda.

    How many cups is 100 grams of baking soda?

    About 0.452 cups (7.24 tablespoons).

    How many grams is 1/2 cup of baking soda?

    About 110 grams.

    Sources