Quick answer: 1 Teaspoon in Gallon
1 tsp equals 0.00130208 gal. To convert Teaspoon to Gallon, multiply by 0.00130208 using the free calculator above — no signup needed.
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About Cooking Converter
The Cooking Converter converts between 9 different units, including Cup, Milliliter, Tablespoon, Teaspoon, Fluid Ounce. The base unit is the Cup, and every other unit on this page is defined as an exact multiple of it. Type any value into the calculator above to convert instantly — free, unlimited, no signup and nothing to install.
Common equivalents: 1 Cup = 236.588236 Milliliter, 16 Tablespoon, 48 Teaspoon.
Scale of this category: the smallest unit is the Milliliter (ml) and the largest is the Gallon (gal).
Last updated: 2026-09-15
Cooking conversion factors
| Unit | Symbol | Value in Cup |
|---|---|---|
| Cup | cup | 1 cup = 1 cup |
| Milliliter | ml | 1 ml = 0.00422675 cup |
| Tablespoon | tbsp | 1 tbsp = 0.0625 cup |
| Teaspoon | tsp | 1 tsp = 0.0208333 cup |
| Fluid Ounce | fl oz | 1 fl oz = 0.125 cup |
| Pint | pt | 1 pt = 2 cup |
| Quart | qt | 1 qt = 4 cup |
| Liter | L | 1 L = 4.226753 cup |
| Gallon | gal | 1 gal = 16 cup |
Worked Examples
See exactly how the conversion works with real numbers, step by step.
How much is 1 Teaspoon in Gallon?
- Multiply 1 by the conversion factor 0.00130208
- 1 Teaspoon = 0.00130208 Gallon
How much is 100 Teaspoon in Gallon?
- Multiply 100 by the conversion factor 0.00130208
- 100 Teaspoon = 0.130208 Gallon
How much is 1000 Teaspoon in Gallon?
- Multiply 1000 by the conversion factor 0.00130208
- 1000 Teaspoon = 1.302083 Gallon
Quick Conversion Reference Table
| Teaspoon (tsp) | Gallon (gal) |
|---|---|
| 1 tsp (Teaspoon) | 0.00130208 gal (Gallon) |
| 2 tsp (Teaspoon) | 0.00260417 gal (Gallon) |
| 5 tsp (Teaspoon) | 0.00651042 gal (Gallon) |
| 10 tsp (Teaspoon) | 0.0130208 gal (Gallon) |
| 20 tsp (Teaspoon) | 0.0260417 gal (Gallon) |
| 50 tsp (Teaspoon) | 0.0651042 gal (Gallon) |
| 100 tsp (Teaspoon) | 0.130208 gal (Gallon) |
| 500 tsp (Teaspoon) | 0.651042 gal (Gallon) |
| 1000 tsp (Teaspoon) | 1.302083 gal (Gallon) |
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FAQ
How much is 1 Teaspoon in Gallon?
1 Teaspoon = 0.00130208 Gallon.
How do I convert Teaspoon to Gallon?
Enter your value in Teaspoon into the converter above and the result in Gallon appears instantly. 1 tsp equals 0.00130208 gal — just multiply your value by 0.00130208.
What is the formula for Teaspoon to Gallon?
The formula is: value in Gallon = value in Teaspoon × 0.00130208. For example, 100 tsp × 0.00130208 = 0.130208 gal.
Is this Teaspoon to Gallon converter free and accurate?
Yes. This Teaspoon to Gallon converter is 100% free, uses the exact international conversion factor (0.00130208), and works on any device with no signup.
How do I convert Gallon back to Teaspoon?
To convert back, divide by 0.00130208 (or multiply by 768). You can also use our dedicated How Many Teaspoon in 1 Gallon? page for instant results.
Do I need to download an app or sign up?
No. The converter runs entirely in your browser — nothing to install, no account, no fees. It even keeps working offline once the page has loaded.
Which Cooking units are supported?
This converter supports 9 units: Cup, Milliliter, Tablespoon, Teaspoon, Fluid Ounce, Pint, Quart, Liter, Gallon.