How Much Is 31.5 Tablespoons of Baking Soda in Ounces?
31.5 tablespoons of baking soda equals 15.28 oz. Baking soda has a density of 220g per cup (13.75g per tablespoon), which means it's relatively light compared to other common cooking ingredients. For comparison, 31.5 tablespoons of honey would be 23.61 oz.
Formula and Step-by-Step
- Start with 31.5 tablespoons of baking soda
- 1 tablespoon of baking soda = 13.75g
- 31.5 × 13.75 = 433.13g
- Convert grams to ounces: 433.13 ÷ 28.3495 = 15.28 oz
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Measuring Tip
Leavener measurements are critical because even small differences affect rise and texture. When possible, weigh baking soda rather than relying on volume.
Baking Soda at Different Amounts
How baking soda scales across common tablespoons measurements. Your amount (31.5 tablespoons) is highlighted.
For reference, 31.5 tablespoons of baking soda (433.13g) is close in weight to a loaf of bread (450g).
Other Amounts of Baking Soda
| Tablespoons | US Ounces | Metric Tablespoon | Australian Tablespoon |
|---|---|---|---|
| 1 tablespoon | 0.49 oz | 0.49 oz | 0.66 oz |
| 2 tablespoons | 0.97 oz | 0.98 oz | 1.31 oz |
| 3 tablespoons | 1.46 oz | 1.48 oz | 1.97 oz |
| 4 tablespoons | 1.94 oz | 1.97 oz | 2.62 oz |
| 5 tablespoons | 2.43 oz | 2.46 oz | 3.28 oz |
| 6 tablespoons | 2.91 oz | 2.95 oz | 3.94 oz |
| 8 tablespoons | 3.88 oz | 3.94 oz | 5.25 oz |
| 10 tablespoons | 4.85 oz | 4.92 oz | 6.56 oz |
| 12 tablespoons | 5.82 oz | 5.90 oz | 7.87 oz |
| 16 tablespoons | 7.76 oz | 7.87 oz | 10.50 oz |
| 31.5 tablespoons | 15.28 oz | 15.50 oz | 20.66 oz |
Understanding the Units
What is a Tablespoon?
A tablespoon (tbsp) is a US customary unit of volume equal to 14.787 milliliters, 3 teaspoons, or 1/16 of a cup. It is commonly used for measuring smaller amounts of ingredients.
What is an Ounce?
An ounce (oz) is a US customary unit of weight equal to 28.3495 grams or 1/16 of a pound. In cooking, "ounces" refers to weight (avoirdupois ounces), not fluid ounces which measure volume.