Convert US Gallon (gal) to Teaspoon (tsp) instantly. Enter any value — result updates live.
Converting US Gallon to Teaspoon is a common volume conversion. One us gallon (gal) equals 768 teaspoon (tsp). US gallons are used for fuel, beverages, and liquid storage in the United States.
This conversion is commonly needed for home brewing and winemaking, cooking and baking recipes, fuel and vehicle maintenance. Teaspoons are the smallest common cooking measurement, also used for medicine dosing.
To put us gallon in perspective: a fish tank (10–20 gal). In teaspoon, common references include a teaspoon of baking soda.
A US gallon (3.785 L) is different from an Imperial gallon (4.546 L), which can cause confusion in international recipes.
The teaspoon's modern volume (about 4.93 mL in the US) was standardized in the early 20th century specifically to make recipe scaling and medicine dosing more consistent.
People frequently convert between us gallon and teaspoon for:
| US Gallon (gal) | Teaspoon (tsp) |
|---|---|
| 1 gal | 768 tsp |
| 2 gal | 1,536 tsp |
| 5 gal | 3,840 tsp |
| 10 gal | 7,680 tsp |
| 15 gal | 12,000 tsp |
| 20 gal | 15,000 tsp |
| 25 gal | 19,000 tsp |
| 30 gal | 23,000 tsp |
| 50 gal | 38,000 tsp |
| 100 gal | 77,000 tsp |
| 200 gal | 150,000 tsp |
| 500 gal | 380,000 tsp |
| 1000 gal | 770,000 tsp |