Fresh Yeast to Dry Yeast
Swap fresh yeast for active dry or instant at the right weight.
About Fresh Yeast to Dry Yeast
Dry yeasts are much stronger per gram than the moist fresh cake, so weights shrink to roughly a third or two-fifths. Using fresh-yeast grams straight into dry recipes over-leavens the dough and changes the whole rise schedule.
Formula
Fresh Yeast to Dry Yeast
Active dry = fresh x 0.4; instant = fresh x 1/3
- 0.4
- Rough active dry amount for one unit of fresh yeast
Worked example
With the default values below, Fresh Yeast to Dry Yeast returns Active Dry Yeast of 10.00. Change any input above and every figure here is recalculated in your browser.
Inputs used
- Fresh yeastminimum 0 g
- 25 g
Results
- Active Dry Yeast
- 10.00 g
- Instant Yeast
- 8.25 g
- Note
- Fresh yeast is about 70% water and short-lived; keep it refrigerated and use within two weeks
Step by step
- 1Values used
- 2Fresh Yeast to Dry Yeast
- 3Active Dry Yeast= 10.00 g
- 4Instant Yeast= 8.25 g
- 5Note= Fresh yeast is about 70% water and short-lived; keep it refrigerated and use within two weeks
Assumptions and limits
- The result is derived only from the single input listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
- Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How is Fresh Yeast to Dry Yeast calculated?
Active dry = fresh x 0.4; instant = fresh x 1/3 Dry yeasts are much stronger per gram than the moist fresh cake, so weights shrink to roughly a third or two-fifths.
Why does Fresh Yeast to Dry Yeast matter?
Using fresh-yeast grams straight into dry recipes over-leavens the dough and changes the whole rise schedule.
What values do I need to enter?
This calculator takes 1 input: Fresh yeast. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.