Skip to content
Cooking Calculators

Yeast Conversion Calculator

Verified formula Updated Jun 2026 Private — runs on your device

Enter details
g
Verified formula Private

Instant yeast

7.50

Fresh yeast
30.00

For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.

How to use the Yeast Conversion Calculator

The Yeast Conversion Calculator works out your instant yeast, along with 1 related figure in an instant. Enter active dry yeast and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.

  1. Enter the active dry yeast.
  2. Read off your instant yeast, together with fresh yeast — the calculator updates automatically, with no button to press.

Formula

The Yeast Conversion Calculator uses the formula:

Instant yeast = Active dry yeast × 0.75

Worked example

For example, with active dry yeast of 10 g, the instant yeast is 7.50.

Inputs used
Active dry yeast 10 g
Results
Instant yeast 7.50
Fresh yeast 30.00

Results are estimates for educational use, not professional advice.

Frequently asked questions

Use about 75% as much instant yeast. So 10 g of active dry yeast equals about 7.5 g of instant yeast.

Fresh yeast is roughly three times the weight of active dry yeast. 10 g of active dry equals about 30 g fresh.

No. Instant yeast can be mixed straight into the flour, while active dry yeast is often dissolved in warm water first.

They are close approximations. Yeast strength varies by brand, so adjust proofing time based on how your dough rises.

The Yeast Conversion Calculator uses the formula: Instant yeast = Active dry yeast × 0.75. For example, with active dry yeast of 10 g, the instant yeast is 7.50.

Enter the active dry yeast. Read off your instant yeast, together with fresh yeast — the calculator updates automatically, with no button to press.

Related calculators