Fleischmann's & Red Star Calibrated
Half Packet Yeast in Teaspoons — How Much is 1/2 Packet?
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 contains 1.125 teaspoons (approx. 1 1/8 teaspoons, or 3.5 grams / 0.125 ounces).
Half a packet is the standard portion for small-batch single pizza doughs, pita bread, or slow cold-fermented overnight sandwich loaves.
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
Teaspoon Measurement
1/2 packet = 1 1/8 teaspoons (1 tsp + 1/8 tsp).
Gram Weight
1/2 packet = 3.5 grams.
Storing Remaining Yeast
Fold the packet top over twice, secure with a paperclip, and refrigerate for up to 4 weeks.
Frequently Asked Questions
How many teaspoons is half a packet of yeast?
Half a packet of yeast contains 1 1/8 teaspoons (1.125 tsp, or 3.5 grams).
How many grams in half a packet of yeast?
Half a packet of yeast weighs 3.5 grams.
How long can I store an open half packet of yeast?
Fold the packet tightly and store in the refrigerator for up to 4 weeks, or in the freezer for 6 months.
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