How many grams in a teaspoon of cream of tartar?
1 teaspoon of cream of tartar weighs 3 g. 1 tablespoon: 9 g Weights are for cream of tartar (powder), in US customary teaspoons.
Convert any amount
= 3 g
Fractions work too, like 1/2 or 1 1/2.
Teaspoons to grams
| Teaspoons | Grams |
|---|---|
| ⅛ tsp | 0.4 g |
| ¼ tsp | 0.8 g |
| ½ tsp | 1.5 g |
| ¾ tsp | 2.3 g |
| 1 tsp | 3 g |
| 1 ½ tsp | 4.5 g |
| 2 tsp | 6 g |
| 3 tsp | 9 g |
Grams to teaspoons
| Grams | US measure |
|---|---|
| 1 g | ≈ ⅜ tsp |
| 2 g | ≈ ⅝ tsp |
| 3 g | 1 tsp |
| 5 g | ≈ 1 ⅝ tsp |
| 10 g | ≈ 1 tbsp + ½ tsp |
| 15 g | 1 tbsp + 2 tsp |
Rounded to amounts you can measure; ≈ marks a rounded answer.
Measuring cream of tartar
Small spoon measures vary; weigh if the recipe is sensitive.
These weights are for cream of tartar (powder). A different form, or a cup filled another way, weighs differently, so weigh it if the recipe gives grams.
Source
USDA FoodData Central, food 175041: “Leavening agents, cream of tartar”, 1 tsp = 3 g (USDA FoodData Central SR Legacy, April 2018). Other amounts are calculated with 1 cup = 16 tablespoons = 48 teaspoons. Data version 2026-10-23.1, reviewed 23 October 2026.
How every weight is chosen, converted and rounded: sources and method.
Scaling a recipe?
Paste the ingredients into the recipe scaler to double, halve or resize every amount at once. The guides to cutting a recipe in half and doubling a recipe turn the results into cups and spoons you can measure.