How Much Is 128 Teaspoons of Baking Powder in Ounces?

Q: How many ounces is 128 teaspoons of baking powder?

128 teaspoons of baking powder converts to approximately 21.63 oz.

128 teaspoons of baking powder equals 21.63 oz. Baking powder has a density of 230g per cup (4.79g per teaspoon), which means it's relatively light compared to other common cooking ingredients. For comparison, 128 teaspoons of honey would be 31.98 oz.

128 teaspoons of baking powder

21.63oz

Result using all teaspoon standards info

21.63 oz (US) 21.95 oz (Metric Teaspoon) 25.98 oz (Imperial Teaspoon)

Try: 0.25 teaspoons = 0.04 oz 0.5 teaspoons = 0.08 oz 1 teaspoon = 0.17 oz 1.5 teaspoons = 0.25 oz

Compare: 128 teaspoons active dry yeast = 13.55 oz 128 teaspoons baking soda = 20.69 oz 128 teaspoons black pepper = 10.91 oz

Convert a different ingredient

128 teaspoons of baking powder is also

613.33 g (grams)

Teaspoons of Baking Powder info

Ounces

21.63

Formula and Step-by-Step

teaspoons × 4.79g/tsp ÷ 28.3495g/oz = ounces

Start with 128 teaspoons of baking powder
1 teaspoon of baking powder = 4.79g
128 × 4.79 = 613.33g
Convert grams to ounces: 613.33 ÷ 28.3495 = 21.63 oz

The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.

Measuring Tip

Baking powder can clump or settle during storage. Stir or sift before measuring by volume for consistent results.

Baking Powder at Different Amounts

How baking powder scales across common teaspoons measurements. Your amount (128 teaspoons) is highlighted.

For reference, 128 teaspoons of baking powder (613.33g) is close in weight to a basketball (624g).

Other Amounts of Baking Powder

Teaspoons	US Ounces	Metric Teaspoon	Imperial Teaspoon
0.25 teaspoons	0.04 oz	0.04 oz	0.05 oz
0.5 teaspoons	0.08 oz	0.09 oz	0.10 oz
1 teaspoon	0.17 oz	0.17 oz	0.20 oz
1.5 teaspoons	0.25 oz	0.26 oz	0.30 oz
2 teaspoons	0.34 oz	0.34 oz	0.41 oz
3 teaspoons	0.51 oz	0.51 oz	0.61 oz
4 teaspoons	0.68 oz	0.69 oz	0.81 oz
5 teaspoons	0.85 oz	0.86 oz	1.01 oz
6 teaspoons	1.01 oz	1.03 oz	1.22 oz
8 teaspoons	1.35 oz	1.37 oz	1.62 oz
128 teaspoons	21.63 oz	21.95 oz	25.98 oz

Understanding the Units

What is a Teaspoon?

One teaspoon holds about 5 milliliters. There are 3 teaspoons in a tablespoon and 48 teaspoons in a cup. Teaspoon accuracy matters most with leaveners like baking powder and baking soda, where small differences affect rise and texture.

What is an Ounce?

Ounces are commonly used in US recipes for cheese, meat, chocolate, and other ingredients sold by weight. Many kitchen scales offer both gram and ounce readings.

Frequently Asked Questions

How many ounces is 128 teaspoons of baking powder? expand_more

About 21.63 oz, based on baking powder having a density of 230g per cup. The exact amount depends on how the ingredient is measured and the specific product.

What is the formula for converting teaspoons of baking powder to ounces? expand_more

Multiply the number of teaspoons by 4.79 (grams per teaspoon for baking powder), then divide by 28.3495 to convert grams to ounces. For 128 teaspoons: 128 × 4.79 = 613.33g, then 613.33 ÷ 28.3495 = 21.63 oz.

How do I measure baking powder accurately? expand_more

For the most accurate results, weigh baking powder on a kitchen scale. If measuring by volume, spoon the ingredient into the measuring spoon and level it off with a straight edge rather than scooping directly.

Why do different sources give different weights for baking powder? expand_more

Weight-per-cup values vary because of differences in how the ingredient is measured (spooned vs scooped), grind size, moisture content, and settling during storage. Our values use standardized measurement methods from established culinary references.