For chemical leavening: small weight changes alter rise and browning.
1 tablespoon of Baking Soda in grams
Reviewed by CupOrGram Editorial TeamData methodology: NIST-derived density references + recipe testing notesMethodology
Answer
13.3 grams
Based on baking soda density of 0.9 g/ml
Source: NIST-DB-72
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Need a substitute for Baking Soda?
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| tablespoons | grams |
|---|---|
| 1/2 tablespoons | 6.7 grams |
| 1 tablespoons | 13.3 grams |
| 2 tablespoons | 26.6 grams |
| 3 tablespoons | 39.9 grams |
| 4 tablespoons | 53.2 grams |
| 5 tablespoons | 66.5 grams |
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Density-accurate conversions for baking
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Science Note: Precision within +/-0.002g
Why this conversion matters
Baking Soda has a density of 0.9 g/ml, which means it's close to the density of water. Using weight-based measurements gives you consistent results every time.
Recipe Context for Baking Soda
For quick breads: over-leavening can cause collapse after oven spring.
For cookies: balance leavening with acid source for predictable spread.
Common Pitfalls
- Switching brands without re-checking weight can change texture and bake time.
- Using volume-only measurements for dense ingredients can overshoot recipe targets.
- Expired leaveners can underperform even when measured correctly.
Brand Variance Example
Baseline on this page: 1 cup baking soda = 216g. Real-world range can shift by about 6% because fine powders and leaveners settle during storage, changing cup density.
Example for 2 cups: baseline 432g, common range 406g-458g. If your bake is texture-sensitive, start with the lower bound and adjust after a test batch.