How Much Is 4 Ounces of Baking Soda in Tablespoons?
4 ounces of baking soda equals 8.25 tbsp. Baking soda has a density of 220g per cup. A lighter ingredient like flour (125g/cup) would fill more volume at the same weight, which is why ingredient-specific conversions matter.
Formula and Step-by-Step
- Start with 4 ounces of baking soda
- Convert ounces to grams: 4 × 28.35 = 113.40g
- 1 cup of baking soda = 220g
- 113.40g ÷ 220g/cup = 0.52 cups × 16 = 8.25 tablespoons
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Measuring Tip
Baking soda can clump or settle during storage. Stir or sift before measuring by volume for consistent results.
Baking Soda at Different Amounts
How baking soda scales across common ounces measurements. Your amount (4 ounces) is highlighted.
Other Amounts of Baking Soda
| Ounces | US Tablespoons | Metric Tablespoon | Australian Tablespoon |
|---|---|---|---|
| 1 ounce | 2.06 tbsp | 2.03 tbsp | 1.52 tbsp |
| 2 ounces | 4.12 tbsp | 4.07 tbsp | 3.05 tbsp |
| 3 ounces | 6.19 tbsp | 6.10 tbsp | 4.57 tbsp |
| 4 ounces | 8.25 tbsp | 8.13 tbsp | 6.10 tbsp |
| 5 ounces | 10.31 tbsp | 10.16 tbsp | 7.62 tbsp |
| 6 ounces | 12.37 tbsp | 12.20 tbsp | 9.15 tbsp |
| 8 ounces | 16.49 tbsp | 16.26 tbsp | 12.20 tbsp |
| 10 ounces | 20.62 tbsp | 20.33 tbsp | 15.24 tbsp |
| 12 ounces | 24.74 tbsp | 24.39 tbsp | 18.29 tbsp |
| 16 ounces | 32.99 tbsp | 32.52 tbsp | 24.39 tbsp |
Understanding the Units
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.
What is a Tablespoon?
A tablespoon is roughly the volume of a large soup spoon. In precise terms, 1 US tablespoon equals 14.787 ml, which is very close to the 15 ml metric standard used in most of the world. Three teaspoons make one tablespoon.