Yeast Converter

Enter the yeast amount and choose how it is measured.

Select the yeast type used by the original recipe and the type you have available.

The converter shows the target amount in grams. Dry-yeast results also include packets, teaspoons, tablespoons, and weight ounces. Fresh-yeast results use weight measurements.

Use grams when possible because weighing is more repeatable than filling a spoon.

This calculator derives dry-yeast teaspoon values from the common 7-gram packet convention of approximately 2.25 teaspoons per packet.

For example, 3.5 grams is approximately 1.125 teaspoons, 7 grams is approximately 2.25 teaspoons, and 11 grams is approximately 3.536 teaspoons.

These are practical household conversions rather than laboratory density measurements. A scale is more reliable when the recipe provides yeast by weight.

The calculator treats one standard dry-yeast packet as 7 grams or approximately 2.25 teaspoons.

Using 3 teaspoons per tablespoon, the same reference amount is approximately 0.75 tablespoon.

A 7-gram packet converts mathematically to approximately 0.247 avoirdupois ounce. Packaging commonly rounds the ounce declaration to one-quarter ounce.

Packet, sachet, and envelope sizes vary by product and country, so use the printed net weight when it differs from 7 grams.

For ordinary hand- or mixer-made dough, the calculator uses a 1:1 quantity substitution between active dry and instant yeast.

The amount may remain the same, but instant yeast can begin fermenting faster and active dry yeast can take longer to reach the same rise.

Bread-machine programs, rapid-rise products, and package-specific recipes can require a different amount or method. Follow their directions when provided.

Fresh yeast is also called cake yeast or compressed yeast.

This calculator uses a practical home-baking reference in which active dry or instant yeast is fresh yeast multiplied by 0.33. The reverse conversion divides dry yeast by the same factor.

Fresh-yeast ratios are not universal. Baking references and manufacturers publish different equivalents based on yeast type, product, cake size, and recipe method.

Use the recipe or manufacturer ratio when one is supplied, especially for commercial formulas, bread machines, rapid-rise products, or an old recipe that names a cake without giving its weight.

The live converter supports active dry, instant, and fresh or cake yeast.

Rapid-rise and bread-machine yeast are often instant-style products, but their intended rise method can differ. Use Instant yeast for quantity comparison, then follow the package directions.

Sourdough starter is not a direct yeast measurement because it also contributes flour, water, acidity, and a different fermentation schedule.

Packets, teaspoons, and tablespoons are convenient for common household recipes, but weight is more repeatable.

The calculator derives teaspoon values from the common 7-gram and 2.25-teaspoon packet convention. Tablespoons are then calculated as 3 teaspoons each.

Tablespoon standards can vary by location, so use the recipe's gram weight when precision matters or when a local tablespoon differs from the 3-teaspoon convention.

A small scale is especially useful for partial packets, long fermentation, large batches, and recipes requiring only a small yeast quantity.

The calculator does not determine how much yeast a dough needs.

The appropriate amount also depends on flour weight, dough temperature, fermentation time, sugar, salt, fat, and the recipe method.

It does not test yeast activity or predict rise time.

The calculation runs entirely in the browser.

The entered quantity and selected yeast types are not uploaded, added to the page URL, or permanently stored.