Gallons to Teaspoons
Convert gallons to teaspoons instantly — one gallon is 768 teaspoons.
| Gallons | Teaspoons |
|---|---|
| 1 gal | 768 tsp |
| 2 gal | 1536 tsp |
| 3 gal | 2304 tsp |
| 5 gal | 3840 tsp |
| 10 gal | 7680 tsp |
| 25 gal | 19200 tsp |
| 50 gal | 38400 tsp |
| 100 gal | 76800 tsp |
How to use
- Enter a value in the Gallons field.
- The Teaspoons figure appears immediately — no button to press.
- Typing in the Teaspoons field converts back to Gallons the same way.
- Use the reference table for the values that come up most often.
Gallons to Teaspoons formula
Converting gallons to teaspoons is a single multiplication by 768.
tsp = gal × 768
Put another way, one gallon is exactly 768 teaspoons.
Why this factor: the gallon and the teaspoon are both defined against the liter, so dividing one definition by the other gives 768 directly. Both definitions are set out in full below.
To go the other way, divide by 768 — or use the Teaspoons to Gallons converter, which is the same calculation reversed.
Worked example
Take 2 gal and multiply by the factor 768: the result is 1536 tsp.
2 gal × 768 = 1536 tsp
The converter above does this for any value you type, in either direction.
What is a gallon?
A US liquid gallon is the standard large-volume unit in the United States.
Definition: Defined as exactly 231 cubic inches, which works out to exactly 3.785411784 liters.
Where it is used: Fuel sales, milk and beverage containers, and paint in the US.
Worth knowing: The imperial gallon used in the UK and Canada is about 20% larger, at 4.54609 L — so 'miles per gallon' figures are not comparable between the two.
What is a teaspoon?
A US teaspoon is the smallest common cooking measure, one third of a tablespoon.
Definition: Exactly one sixth of a US fluid ounce, so about 4.9289 milliliters — conventionally rounded to 5 mL.
Where it is used: Recipes, spice and leavening quantities, and liquid medicine doses.
Gallons vs Teaspoons
The gallon and the teaspoon belong to the same family of units, so converting between them is usually a matter of shifting a decimal point or applying a small whole-number factor.
Frequently asked questions
How many teaspoons are in a gallon?
One gallon equals 768 teaspoons.
What is the formula to convert gallons to teaspoons?
Multiply the number of gallons by 768. To reverse it, divide by 768 instead.
How do I convert teaspoons back to gallons?
Divide by 768, which is the same as multiplying by 0.00130208333.
How many teaspoons are in 10 gallons?
10 gal works out to 7680 tsp.
Is there anything to watch out for with gallons?
The imperial gallon used in the UK and Canada is about 20% larger, at 4.54609 L — so 'miles per gallon' figures are not comparable between the two.
How is the gallon defined?
Defined as exactly 231 cubic inches, which works out to exactly 3.785411784 liters.