Grams to Cups: Baking soda

1 cup of baking soda weighs about 221 grams. Convert any amount between grams, cups and spoons below.

g
⇄
½cup
Quick:

100 g of baking soda = ½ cup (0.45 exactly)

7 ¼Tablespoons
21 ¾Teaspoons
107Milliliters
3.62Fluid ounces

How much does 1 cup of baking soda weigh?

One US cup of baking soda weighs about 221 grams (7.8 oz). A tablespoon holds about 13.8 g and a teaspoon about 4.6 g.

AmountBaking soda in grams
1 cup221 g
¾ cup166 g
⅔ cup147 g
½ cup110 g
⅓ cup74 g
¼ cup55 g
1 tablespoon13.8 g
1 teaspoon4.6 g

Grams to cups baking soda chart

GramsCupsDecimal cups
25 g⅛ cup0.11
50 g¼ cup0.23
75 g⅓ cup0.34
100 g½ cup0.45
125 g⅝ cup0.57
150 g⅔ cup0.68
200 g⅞ cup0.90
250 g1 ⅛ cups1.13
300 g1 ⅜ cups1.36
400 g1 ¾ cups1.81
500 g2 ¼ cups2.26
750 g3 ⅜ cups3.39
1000 g4 ½ cups4.52

How to measure baking soda

baking soda is used in small amounts, so measure it with level measuring spoons. Small errors in leaveners and salt change a recipe more than errors in flour or sugar.

Baking soda compared with other baking extras

Different baking extras weigh different amounts per cup, so never swap one for another by volume without converting.

Ingredient1 cup in grams
Table salt292 g
Baking powder192 g

Frequently asked questions

How many grams are in a cup of baking soda?

One US cup of baking soda is about 221 grams.

How many cups is 100 grams of baking soda?

100 grams of baking soda is about ½ cup (0.45 cups).

How many cups is 250 grams of baking soda?

250 grams of baking soda is about 1 ⅛ cups (1.13 cups).

How many grams in a tablespoon of baking soda?

A level tablespoon of baking soda weighs about 13.8 grams.

Other ingredients

Last updated: November 2026. Values use the US cup (236.6 ml) and the spoon-and-level method for dry ingredients.