A US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes.
Teaspoon to Gallon
Convert Teaspoon to Gallon 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 liquid gallon equals 4 US quarts, or exactly 3.785411784 liters.
gal = tsp × 0.001302083333
Results update instantly for Teaspoon to Gallon conversions.
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Formula
gal = tsp × 0.001302083333
tsp = gal × 768
Conversion table
| 1 tsp | 0.001302 gal |
| 5 tsp | 0.00651 gal |
| 10 tsp | 0.013021 gal |
| 20 tsp | 0.026042 gal |
| 50 tsp | 0.065104 gal |
| 100 tsp | 0.130208 gal |
| 500 tsp | 0.651042 gal |
| 1000 tsp | 1.302083 gal |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the teaspoon (tsp). A US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes.
What is the destination unit in this conversion?
The destination unit is the gallon (gal). A US liquid gallon equals 4 US quarts, or exactly 3.785411784 liters.
How do I convert teaspoon to gallon?
Multiply the teaspoon value by 0.001302083333. For example, 10 tsp × 0.001302083333 = 0.013021 gal.
Is the teaspoon to gallon 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 gallon back to teaspoon?
Yes. Multiply the gallon value by 768 to get teaspoon.
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About this conversion
This page converts teaspoon (tsp) to gallon (gal) within the cooking converter.
A US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes. A US liquid gallon equals 4 US quarts, or exactly 3.785411784 liters.
The formula is gal = tsp × 0.001302083333, 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 teaspoon values already converted to gallon.