Baking Soda vs Agar-Agar Powder
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: Baking Soda 0 kcal vs Agar-Agar Powder 306 kcal. Difference: 306 kcal — Agar-Agar Powder is higher.
Weight Conversions (per Spoon and Cup)
| Measure | Baking Soda | Agar-Agar Powder |
|---|---|---|
| 1 tablespoon | 14 g | 8 g |
| 1 teaspoon | 4.6 g | 2.7 g |
| 1 cup | 220 g | 130 g |
| Density | 0.92 g/ml | 0.55 g/ml |
Measuring Tips
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.
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.
Frequently Asked Questions
Can Baking Soda be substituted for Agar-Agar Powder?▾
Significant difference — not a 1:1 substitute, recipe may need rebalancing. Density of Baking Soda is 0.92 g/ml; Agar-Agar Powder is 0.55 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 Baking Soda vs Agar-Agar Powder?▾
1 tbsp Baking Soda ≈ 14 g. 1 tbsp Agar-Agar Powder ≈ 8 g. By weight: 1 tbsp Baking Soda = 1.75 tbsp Agar-Agar Powder.
Which has more calories, Baking Soda or Agar-Agar Powder?▾
Per 100 g: Baking Soda 0 kcal, Agar-Agar Powder 306 kcal. Agar-Agar Powder has 306 more kcal.
What is Baking Soda typically used for?▾
Baking Soda is commonly used in: brownies, cookies, acidic batters, meat tenderizer. Source: usda-fdc.
What is Agar-Agar Powder typically used for?▾
Agar-Agar Powder is commonly used in: pudding, jelly, vegan gelatin, Asian desserts. Source: usda-fdc.