Agar-Agar Powder vs Baking Soda
Density, calorie, and weight differences — and whether they can substitute for each other.
Substitution Verdict
Density difference: 50.3%. Significant difference — not a 1:1 substitute, recipe may need rebalancing.
Calories per 100 g: Agar-Agar Powder 306 kcal vs Baking Soda 0 kcal. Difference: 306 kcal — Agar-Agar Powder is higher.
Weight Conversions (per Spoon and Cup)
| Measure | Agar-Agar Powder | Baking Soda |
|---|---|---|
| 1 tablespoon | 8 g | 14 g |
| 1 teaspoon | 2.7 g | 4.6 g |
| 1 cup | 130 g | 220 g |
| Density | 0.55 g/ml | 0.92 g/ml |
Measuring Tips
Setting ratio: 7 g agar-agar powder : 600 ml liquid for firm but not hard texture. Different from gelatin — agar sets at room temperature, gelatin needs refrigeration. Vegan/vegetarian alternative to gelatin.
Baking soda is 3-4x stronger than baking powder. Rule of thumb: 1/4 tsp baking soda per 125 g flour. Requires acidic ingredient in recipe (yogurt, buttermilk, vinegar, lemon, natural cocoa). DON'T swap 1:1 with baking powder.
Frequently Asked Questions
Can Agar-Agar Powder be substituted for Baking Soda?▾
Significant difference — not a 1:1 substitute, recipe may need rebalancing. Density of Agar-Agar Powder is 0.55 g/ml; Baking Soda is 0.92 g/ml — a 50.3% difference. But flavor, moisture, and chemistry can still differ — verify suitability for the specific recipe.
How many grams in 1 tablespoon of Agar-Agar Powder vs Baking Soda?▾
1 tbsp Agar-Agar Powder ≈ 8 g. 1 tbsp Baking Soda ≈ 14 g. By weight: 1 tbsp Agar-Agar Powder = 0.57 tbsp Baking Soda.
Which has more calories, Agar-Agar Powder or Baking Soda?▾
Per 100 g: Agar-Agar Powder 306 kcal, Baking Soda 0 kcal. Agar-Agar Powder has 306 more kcal.
What is Agar-Agar Powder typically used for?▾
Agar-Agar Powder is commonly used in: pudding, jelly, vegan gelatin, Asian desserts. Source: usda-fdc.
What is Baking Soda typically used for?▾
Baking Soda is commonly used in: brownies, cookies, acidic batters, meat tenderizer. Source: usda-fdc.