A US liquid gallon equals 4 US quarts, or exactly 3.785411784 liters.
Gallon to Teaspoon
Convert Gallon to Teaspoon instantly. Free online cooking unit converter with exact formula, conversion table and FAQ.
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Convert cooking volume and mass units used in recipes and nutrition workflows.
Context values
Some unit families need one extra value for a physically accurate result.
A US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes.
tsp = gal × 768
Results update instantly for Gallon to Teaspoon conversions.
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Formula
tsp = gal × 768
gal = tsp × 0.001302083333
Conversion table
| 1 gal | 768 tsp |
| 5 gal | 3840 tsp |
| 10 gal | 7680 tsp |
| 20 gal | 15360 tsp |
| 50 gal | 38400 tsp |
| 100 gal | 76800 tsp |
| 500 gal | 384000 tsp |
| 1000 gal | 768000 tsp |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the gallon (gal). A US liquid gallon equals 4 US quarts, or exactly 3.785411784 liters.
What is the destination unit in this conversion?
The destination unit is the teaspoon (tsp). A US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes.
How do I convert gallon to teaspoon?
Multiply the gallon value by 768. For example, 10 gal × 768 = 7680 tsp.
Is the gallon to teaspoon conversion exact?
Yes. This conversion uses a fixed factor defined for cooking measurement standards, so results are consistent every time.
Where is this conversion commonly used?
It's used when following recipes, adjusting ingredient quantities, or converting between US customary and metric cooking measurements.
Can I convert teaspoon back to gallon?
Yes. Multiply the teaspoon value by 0.001302083333 to get gallon.
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About this conversion
This page converts gallon (gal) to teaspoon (tsp) within the cooking converter.
A US liquid gallon equals 4 US quarts, or exactly 3.785411784 liters. A US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes.
The formula is tsp = gal × 768, based on each unit's fixed relationship to the cooking converter's reference units.
Results are consistent because the conversion relies on a fixed numerical ratio rather than an estimate.
Use the calculator above for instant results, or the table below for common gallon values already converted to teaspoon.