US gallons to teaspoons
teaspoons = US gallons × 768
Reverse: teaspoons to US gallons
How to convert US gallons to teaspoons
One US gallon is 768 teaspoons, so multiply the number of US gallons by 768. For example, 20 US gallons is 20 × 768 = 15,360 teaspoons. To go back, divide by the same number, or multiply by 0.00130208.
Quick estimate
Multiplying by about 800 gets within 4.2% of the exact answer, which is enough to check that a result makes sense.
Where it comes up
Volume conversions come up in recipes, fuel economy, drink and bottle sizes, garden and pool water, and engine sizes.
| US gallons | teaspoons |
|---|---|
| 1 gal | 768 tsp |
| 2 gal | 1,536 tsp |
| 3 gal | 2,304 tsp |
| 4 gal | 3,072 tsp |
| 5 gal | 3,840 tsp |
| 6 gal | 4,608 tsp |
| 7 gal | 5,376 tsp |
| 8 gal | 6,144 tsp |
| 9 gal | 6,912 tsp |
| 10 gal | 7,680 tsp |
| 11 gal | 8,448 tsp |
| 12 gal | 9,216 tsp |
| 13 gal | 9,984 tsp |
| 14 gal | 10,752 tsp |
| 15 gal | 11,520 tsp |
| 16 gal | 12,288 tsp |
| 17 gal | 13,056 tsp |
| 18 gal | 13,824 tsp |
| 19 gal | 14,592 tsp |
| 20 gal | 15,360 tsp |
| 25 gal | 19,200 tsp |
| 30 gal | 23,040 tsp |
| 40 gal | 30,720 tsp |
| 50 gal | 38,400 tsp |
| 60 gal | 46,080 tsp |
| 70 gal | 53,760 tsp |
| 75 gal | 57,600 tsp |
| 80 gal | 61,440 tsp |
| 90 gal | 69,120 tsp |
| 100 gal | 76,800 tsp |
| 120 gal | 92,160 tsp |
| 150 gal | 115,200 tsp |
| 200 gal | 153,600 tsp |
| 250 gal | 192,000 tsp |
| 300 gal | 230,400 tsp |
| 400 gal | 307,200 tsp |
| 500 gal | 384,000 tsp |
| 750 gal | 576,000 tsp |
| 1,000 gal | 768,000 tsp |
| 1,500 gal | 1,152,000 tsp |
| 2,000 gal | 1,536,000 tsp |
| 5,000 gal | 3,840,000 tsp |
| 10,000 gal | 7,680,000 tsp |
Questions
How many teaspoons are in a US gallon?
768 teaspoons.
How do I convert US gallons to teaspoons in a spreadsheet?
Put the value in A1 and type =A1*768, then fill the formula down the column.
Are the values in the table exact?
They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.