Fleischmann's & Red Star Calibrated
Half Packet Yeast in Grams — Exact Weight of 1/2 Packet Yeast
Verified bread baking conversion for Active Dry, Instant (RapidRise), and Fresh Compressed Yeast.
Instant Yeast Multi-Unit Calculator
Dough Science & Fermentation Guide
Half a packet of yeast weighs exactly 3.54 grams (approx. 3.5g, or 1 1/8 teaspoons / 1/8 ounce).
3.5g of yeast provides gentle, slow leavening for 2 cups (250g) of flour, preventing excessive ballooning in thin-crust pizza doughs.
Universal Yeast Conversion Matrix
Fast conversion across packets, grams, teaspoons, and fresh cake yeast.
| Measure | Dry Grams | Teaspoons | Tablespoons | Fresh Equivalent |
|---|---|---|---|---|
| 1/4 Packet | 1.75g | approx. 1/2 tsp | 1/6 tbsp | 5.2g |
| 1/2 Packet | 3.5g | approx. 1 1/8 tsp | 1/3 tbsp | 10.5g |
| 1 Full Packet (Standard US) | 7.0g | 2 1/4 tsp (2.25 tsp) | 3/4 tbsp | 21.0g |
| 1 1/2 Packets | 10.5g | approx. 3 3/8 tsp | 1 1/8 tbsp | 31.5g |
| 2 Packets | 14.0g | 4 1/2 tsp | 1 1/2 tbsp | 42.0g |
| 1 Teaspoon | 3.1g | 1.0 tsp | 1/3 tbsp | 9.3g |
| 2 Teaspoons | 6.2g | 2.0 tsp | 2/3 tbsp | 18.6g |
| 1 Tablespoon (3 tsp) | 9.3g | 3.0 tsp | 1.0 tbsp | 28.0g |
| 2 Tablespoons | 18.6g | 6.0 tsp | 2.0 tbsp | 56.0g |
| 5 Grams | 5.0g | approx. 1 5/8 tsp | 1/2 tbsp | 15.0g |
| 10 Grams | 10.0g | approx. 3 1/4 tsp | 1 tbsp | 30.0g |
| 15 Grams | 15.0g | approx. 4 7/8 tsp | 1 5/8 tbsp | 45.0g |
| 20 Grams | 20.0g | approx. 6 1/2 tsp | 2 1/8 tbsp | 60.0g |
| 1 Ounce (28.35g) | 28.35g | approx. 9 1/8 tsp | 3.0 tbsp (4 packets) | 85.0g |
Yeast Pro-Tips & Fermentation Rules
Exact Weight
1/2 packet = 3.5 grams (0.125 oz).
Teaspoon Count
3.5g = 1 1/8 level teaspoons.
Flour Capacity
3.5g yeast is ideal for 2 cups of flour.
Frequently Asked Questions
How many grams is half a packet of yeast?
Half a packet of yeast weighs exactly 3.5 grams (0.125 oz).
How many teaspoons is 3.5 grams of yeast?
3.5 grams of yeast equals 1 1/8 level teaspoons.
What fraction of an ounce is half a packet of yeast?
Half a packet of yeast is 1/8 ounce (0.125 oz).
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