How many gram is 1 ounce of active dry yeast?

1 ounce of active dry yeast weighs approximately 28 gram. This is based on a density of 0.52 g/ml for active dry yeast.

How do I measure active dry yeast accurately?

For the most accurate measurement of active dry yeast, use a kitchen scale. Volume measurements can vary based on how the ingredient is packed.

Why should I weigh active dry yeast instead of using cups?

Weighing active dry yeast gives more consistent results than volume measurements. A cup of active dry yeast can vary by 10-20% depending on how it's measured (spooned vs scooped). Professional bakers always weigh ingredients for this reason.

Why does active dry yeast have a specific cup-to-gram conversion?

Active Dry Yeast has a density of 0.52 g/ml, meaning each milliliter weighs 0.52 grams. Different ingredients have different densities—for example, flour is lighter than sugar—which is why each needs its own conversion factor.

Active Dry Yeast

Ounce to Gram

Ingredient

Amount

From

Result

28g

high confidence USDA source

Active Dry Yeast — Quick Reference

Common ounce to gram conversions

Active Dry Yeast: Ounce to Gram conversion table
Ounce	Gram
1oz	28g
2oz	57g
3oz	85g
4oz	113g
5oz	142g
6oz	170g
8oz	227g
10oz	283g

Based on active dry yeast density of 0.52 g/ml (spooned method). Source: USDA FoodData Central.

Understanding Active Dry Yeast Conversions

The Math Behind This Conversion

To convert 1 ounces of active dry yeast to grams, multiply by 28.3495 (the number of grams per ounce). So 1oz × 28.3495 = 28.3g.

Measurement Tip

Active Dry Yeast is a high-impact ingredient—even small measurement errors can significantly affect your baking. Always use proper measuring spoons (not regular cutlery) and level off with a straight edge. Too much active dry yeast can cause over-rising and collapse, while too little results in dense baked goods.

About Our Data

The density value of 0.52 g/ml for active dry yeast is from the USDA FoodData Central database (ID: 172840). This measurement was taken with active dry yeast spooned into the measuring cup and leveled.

View source data on USDA FoodData Central (ID: 172840)

Frequently Asked Questions

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