How many grams in a teaspoon of active dry yeast?
1 teaspoon of active dry yeast weighs 4 g.1 tablespoon: 12 g
Weights are for active dry yeast (dry granules), in US customary teaspoons.
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= 4 g
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Teaspoons to grams
| Teaspoons | Grams |
|---|---|
| ⅛ tsp | 0.5 g |
| ¼ tsp | 1 g |
| ½ tsp | 2 g |
| ¾ tsp | 3 g |
| 1 tsp | 4 g |
| 1 ½ tsp | 6 g |
| 2 tsp | 8 g |
| 3 tsp | 12 g |
Grams to teaspoons
| Grams | US measure |
|---|---|
| 1 g | ¼ tsp |
| 2 g | ½ tsp |
| 3 g | ¾ tsp |
| 5 g | 1 ¼ tsp |
| 10 g | 2 ½ tsp |
| 15 g | ≈ 1 tbsp + 1 tsp |
Rounded to amounts you can measure; ≈ marks a rounded answer.
Measuring active dry yeast
A standard US packet holds 2¼ teaspoons, about 7 g.
These weights are for active dry yeast (dry granules). A different form, or a cup filled another way, weighs differently, so weigh it if the recipe gives grams.
Source
USDA FoodData Central, food 175043: “Leavening agents, yeast, baker's, active dry”, 1 tsp = 4 g (USDA FoodData Central SR Legacy, April 2018). Other amounts are calculated with 1 cup = 16 tablespoons = 48 teaspoons. Data version 2026-10-17.1, reviewed 16 October 2026.
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