Baking Soda: How Many Grams in a Cup?

Baking soda is 3-4 times stronger than baking powder. A measurement error here is fatal: too little means no rise; too much results in a terrible, soapy metallic taste. Being a fine powder prone to clumping, gram-level precision is your safety net.

Quick convert

  • US cup = 236.588 mL
  • 1 tbsp = 14.787 mL
  • 1 tsp = 4.929 mL

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Based on the measured density of Baking Soda (0.933 g/mL). Values rounded; real weight varies by brand, packing and temperature. Full sources in the tool on ChefSolver.

Reference table

Baking Soda — cups to grams
Cupsg
1/8 cup28
1/4 cup55
1/3 cup74
1/2 cup110
2/3 cup147
3/4 cup166
1 cup221
1 1/2 cups331
2 cups441

FAQ

Why weigh such small amounts?
Because baking soda is potent. A teaspoon can weigh between 4g and 7g depending on how packed it is. That 3g difference is enough to ruin the taste of a batch of cookies.

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