Teaspoon (US) to Gallon (US) Converter
Convert Teaspoon (US) (tsp) to Gallon (US) (gal) instantly. 1 tsp = 0.001302 gal.
Volume Converter
40 units available
1 tsp = 0.001302 gal
Formula:
gal = tsp × 0.0013020833With your value: 1 tsp = 0.00130208 gal
How big is that?
Everyday references on a logarithmic scale, all expressed in teaspoon (us) so you can sanity-check the result.
Other Teaspoon (US) to Gallon (US) conversions
Teaspoon (US) to Gallon (US) Conversion Table
| Teaspoon (US) (tsp) | Gallon (US) (gal) |
|---|---|
| 0.5 | 0.000651 |
| 1 | 0.001302 |
| 2 | 0.002604 |
| 5 | 0.00651 |
| 10 | 0.013021 |
| 15 | 0.019531 |
| 20 | 0.026042 |
| 25 | 0.032552 |
| 50 | 0.065104 |
| 100 | 0.130208 |
| 250 | 0.325521 |
| 500 | 0.651042 |
| 1000 | 1.302083 |
Gallon (US) to Teaspoon (US) Conversion Table
| Gallon (US) (gal) | Teaspoon (US) (tsp) |
|---|---|
| 0.5 | 384 |
| 1 | 768 |
| 2 | 1,536 |
| 5 | 3,840 |
| 10 | 7,680 |
| 15 | 11,520 |
| 20 | 15,360 |
| 25 | 19,200 |
| 50 | 38,400 |
| 100 | 76,800 |
| 250 | 192,000 |
| 500 | 384,000 |
| 1000 | 768,000 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Teaspoon (US) (tsp)
Volume
Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Gallon (US) (gal)
Volume
The US liquid gallon is exactly 231 cubic inches = 3.785 411 784 L.
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Teaspoon (US) to Gallon (US)
To convert from Teaspoon (US) (tsp) to Gallon (US) (gal), multiply the value by 0.0013020833.
Formula: gal = tsp × 0.0013020833
Reverse: tsp = gal × 768
Step-by-Step Example
- Start with your value in Teaspoon (US). For example: 5 tsp
- Multiply by the conversion factor: 5 x 0.0013020833
- The result is: 0.00651 gal
About Teaspoon (US)
The US teaspoon equals approximately 4.93 mL. It is one of the most common cooking measurements.
Common uses: cooking, medicine dosage, baking.
About Gallon (US)
The US gallon equals approximately 3.785 liters and is the standard unit for fuel and large liquid volumes in the United States.
Fun Fact: The US gallon is about 20% smaller than the imperial (UK) gallon.
Common uses: fuel (US), beverages, swimming pools.
Frequently Asked Questions
How many Gallon (US) are in 1 Teaspoon (US)?
There are exactly 0.0013020833 Gallon (US) in 1 Teaspoon (US). This means the conversion factor from Teaspoon (US) to Gallon (US) is 0.0013020833.
What is the formula to convert Teaspoon (US) to Gallon (US)?
The formula to convert Teaspoon (US) to Gallon (US) is: gal = tsp × 0.0013020833. For example, to convert 10 Teaspoon (US) to Gallon (US), you would multiply 10 by 0.0013020833.
What is a Teaspoon (US)?
The US teaspoon equals approximately 4.93 mL. It is one of the most common cooking measurements.
What is a Gallon (US)?
The US gallon equals approximately 3.785 liters and is the standard unit for fuel and large liquid volumes in the United States.
What are the common uses of Teaspoon (US)?
The Teaspoon (US) is commonly used in cooking, medicine dosage, baking.
Related Volume Conversions
Cite this page
UnitConvertLab. (2026). Teaspoon (US) to Gallon (US) converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/teaspoon_us-to-gallon_us