How to convert US teaspoons to US gallons
gal = tsp × 0.001302083333Because one US gallon equals 768 US teaspoons, you can also divide: gal = tsp ÷ 768.
An US teaspoon is smaller than an US gallon: it takes 768 US teaspoons to make one US gallon.
Worked examples
- 1 US teaspoon1 tsp × 0.001302083333 = 0.001302083333 gal
- 5 US teaspoons5 tsp × 0.001302083333 = 0.006510416667 gal
- 10 US teaspoons10 tsp × 0.001302083333 = 0.01302083333 gal
- 20 US teaspoons20 tsp × 0.001302083333 = 0.02604166667 gal
- 100 US teaspoons100 tsp × 0.001302083333 = 0.1302083333 gal
US teaspoons to US gallons conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| US teaspoons (tsp) | US gallons (gal) |
|---|---|
| 0.1 tsp | 0.00013020833 gal |
| 0.25 tsp | 0.00032552083 gal |
| 0.5 tsp | 0.00065104167 gal |
| 1 tsp | 0.0013020833 gal |
| 2 tsp | 0.0026041667 gal |
| 3 tsp | 0.00390625 gal |
| 4 tsp | 0.0052083333 gal |
| 5 tsp | 0.0065104167 gal |
| 6 tsp | 0.0078125 gal |
| 7 tsp | 0.0091145833 gal |
| 8 tsp | 0.010416667 gal |
| 9 tsp | 0.01171875 gal |
| 10 tsp | 0.013020833 gal |
| US teaspoons (tsp) | US gallons (gal) |
|---|---|
| 12 tsp | 0.015625 gal |
| 15 tsp | 0.01953125 gal |
| 20 tsp | 0.026041667 gal |
| 25 tsp | 0.032552083 gal |
| 30 tsp | 0.0390625 gal |
| 40 tsp | 0.052083333 gal |
| 50 tsp | 0.065104167 gal |
| 75 tsp | 0.09765625 gal |
| 100 tsp | 0.13020833 gal |
| 250 tsp | 0.32552083 gal |
| 500 tsp | 0.65104167 gal |
| 1,000 tsp | 1.3020833 gal |
About the units
US teaspoon (tsp)
One third of a US tablespoon: about 4.93 mL. Medicine spoons are usually a rounded 5 mL. One US teaspoon equals 0.000004928921594 cubic meters (m³).
US gallon (gal)
Defined as 231 cubic inches, exactly 3.785411784 L. US fuel, milk and paint are sold by the gallon. Four quarts or 128 US fluid ounces. One US gallon equals 0.003785411784 cubic meters (m³).
Frequently asked questions
How many US gallons are in one US teaspoon?
There are 0.001302083333 US gallons in one US teaspoon, and this value is exact by definition.
How do I convert US teaspoons to US gallons?
Multiply the number of US teaspoons by 0.001302083333. For example, 10 tsp × 0.001302083333 = 0.01302083333 gal.
How many US teaspoons are in one US gallon?
One US gallon equals 768 US teaspoons. That is the reverse factor, 1 ÷ 0.001302083333.
What is 10 US teaspoons in US gallons?
10 tsp = 0.01302083333 gal.
Is this tsp to gal converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.