Convert yeast weights between fresh, instant and active dry.
The amount is first normalized to instant yeast using each type's strength, then expanded to the target type. Yeast types differ sharply in strength and moisture, so straight substitution can under- or over-ferment a dough.
Yeast Conversion
Convert to instant, then out: fresh = 3x, active dry = 1.33x instant
Convert to instant, then out: fresh = 3x, active dry = 1.33x instant The amount is first normalized to instant yeast using each type's strength, then expanded to the target type.
Yeast types differ sharply in strength and moisture, so straight substitution can under- or over-ferment a dough.
This calculator takes 3 inputs: Yeast amount, From type, To type. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.