✨ Free Printable Sheet #017 • Packet to Grams & Teaspoons • Water Proofing Temps

Yeast Conversion Chart (Instant, Active Dry & Fresh)

Active Dry Yeast, Instant Yeast, and Fresh Compressed Yeast can be swapped effortlessly using the 1 : 0.75 : 3 weight ratio and adjusting your liquid temperature.

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Standard Packet Size	Active Dry Yeast (100%)	Instant / Rapid-Rise (75%–100%)	Fresh Cake Yeast (300% by Weight)
1/2 Standard Packet	1 1/8 tsp (3.5 g / 0.12 oz)	7/8 tsp (2.8 g) [or 1 tsp 1:1]	10.5 g (0.37 oz crumbled)
1 Standard US Packet (1/4 oz)	2 1/4 tsp (7 g / 0.25 oz)	1 3/4 tsp (5.3 g) [or 2 1/4 tsp 1:1]	21 g (0.75 oz / 1 small cube)
1.5 Packets	1 tbsp + 3/8 tsp (10.5 g)	2 1/2 tsp (8 g)	31.5 g (1.1 oz)
2 Standard Packets	4 1/2 tsp / 1.5 tbsp (14 g)	3 1/2 tsp (10.5 g)	42 g (1.5 oz)
3 Standard Packets	2 tbsp + 3/4 tsp (21 g)	5 1/4 tsp (16 g)	63 g (2.25 oz)
1 Tablespoon (3 tsp)	9.3 grams (0.33 oz)	9.3 grams (if swapping 1:1)	28 grams (1.0 oz)

Yeast Variety	Ideal Liquid Temp (°F / °C)	Thermal Death Point	How to Mix Into Dough
Active Dry Yeast	105°F – 110°F (40°C–43°C)	138°F+ (59°C) Kills Yeast	Dissolve in warm water + pinch of sugar for 5–8 min until foamy
Instant / Bread Machine Yeast	120°F – 130°F (49°C–54°C)	140°F+ (60°C) Kills Yeast	Whisk directly into dry flour; no water blooming needed
Fresh Compressed Cake Yeast	90°F – 95°F (32°C–35°C)	130°F+ (54°C) Kills Yeast	Crumble into lukewarm water/milk and stir until creamy
Wild Sourdough Starter (100% Hyd)	75°F – 82°F (24°C–28°C)	120°F+ Weakens Bacteria	Disperse fed, bubbly starter into room-temperature water

Fermentation Style	Instant Yeast (Grams & Tsp)	Room Temp Bulk Rise (72°F)	Flavor & Crumb Result
Fast 1-Hour Dinner Rolls	7 g (2 1/4 tsp — 1.4%)	45 – 60 minutes	Mild yeasty aroma, very soft uniform crumb
Standard Loaf / Pizza Dough	4 g to 5 g (1.5 tsp — 0.9%)	60 – 90 minutes	Balanced flavor, reliable rise
Artisan Overnight Poolish / Cold Ferment	1 g to 1.5 g (1/3 tsp — 0.25%)	2 hrs room temp + 18–24 hrs fridge	Complex sourdough-like depth, blistered crust

💡 Chef's Pro Tip: How to test if an old jar of yeast is still alive: Stir 1/2 cup of 110°F warm water with 1 teaspoon of sugar and 2 1/4 teaspoons of yeast. If it doesn't build a 1/2-inch foam cap in 10 minutes, toss it!

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Yeast Conversion Chart (Instant, Active Dry & Fresh) Printable PDF Preview

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The 1:1 Modern Swap vs. Traditional 25% Reduction

In everyday home baking, you can swap Instant Yeast and Active Dry Yeast 1:1 by volume (1 tsp for 1 tsp), knowing Instant Yeast will rise 15–20 minutes faster.

Frequently Asked Questions

Where should I store opened jars or bricks of yeast?

Store opened jars of Active Dry or Instant Yeast in an airtight container in the freezer for 2+ years of full rising power.

Why didn't my bread dough rise at all?

Either the liquid was above 138°F, the yeast was expired, or your kitchen is too cold.