15g Baking Soda in Cups
15 grams of baking soda is ⅞ tbsp — 288g per US cup. A normal recipe dose: half a teaspoon to a teaspoon, weighed here to the gram because a heaped spoon can leave a soapy aftertaste.
How many cups is 15g of baking soda?
15 grams of baking soda equals:
Measuring by hand? That is 2½ teaspoons.
Baking soda is roughly four times stronger than baking powder, so measure it in level teaspoons and never substitute one for the other by volume.
Grams to Cups Converter
Quick select
15 grams of Baking Soda is about 0.05 cups, using a 236.588 millilitre cup at 288 grams per cup.
Reading
- cups
- 0.05
- tbsp
- 0.8
- tsp
- 2.5
See the full 15g to cups guide →
US customary cup (236.588ml) · 288g per cup
Dedicated conversion guides use the default US customary cup.
Applies to this page only — the database value (288g per US cup) is unchanged.
15g of baking soda vs other ingredients
Grams measure weight and cups measure volume, so the same 15 grams fills a different amount of cup for every ingredient:
| Ingredient | 15g in cups | g per cup |
|---|---|---|
| Baking Soda | ⅞ tbsp | 288 |
| All-Purpose Flour | 1⅞ tbsp | 125 |
| Granulated Sugar | 1¼ tbsp | 200 |
| Butter | 1 tbsp | 227 |
See all 15g conversions on the 15 grams to cups chart.
Nearby baking soda amounts
Full ladder on the baking soda grams to cups chart.
Frequently Asked Questions
How many cups is 15g of baking soda?
15 grams of baking soda is ⅞ tbsp, because one US cup weighs 288 grams.
How many grams are in 1 cup of baking soda?
One US cup of baking soda weighs about 288 grams, one tablespoon about 18 grams, and one teaspoon about 6 grams. This page divides 15 grams by that cup weight.
Is 15g of baking soda the same as 15g of all-purpose flour?
No. 15g of baking soda is ⅞ tbsp, while 15g of all-purpose flour is 1⅞ tbsp. Same weight on the scale, different volume in the cup, because the two have different densities.
How do I measure 15g of baking soda without a scale?
Use 2½ teaspoons. Baking soda is roughly four times stronger than baking powder, so measure it in level teaspoons and never substitute one for the other by volume.
Is it better to weigh baking soda or measure it in cups?
Weighing is more accurate, especially in baking, because it removes the variation in how the baking soda is packed into the cup. If you have no scale, use the cup figure above and keep your measuring method consistent across the whole recipe.