US gallon to US teaspoon Converter
1 gal = 768 tsp — convert instantly with formula and table.
Use the converter above for an immediate result — it recalculates on every keystroke and works offline once the page has loaded.
Quick answer: one us gallon equals 768 US teaspoons. So to convert US gallons to US teaspoons, multiply by 768.
How to convert US gallons to US teaspoons
US teaspoons = US gallons × 768
The US gallon is exactly 3.785411784 liters. American fuel prices are quoted per gallon, making this one of the most practical conversions for travelers.
The US teaspoon is defined as exactly 4.92892159375 ml — one third of a tablespoon — and anchors small quantities in American recipes.
US gallon to US teaspoon conversion table
| US gallon (gal) | US teaspoon (tsp) |
|---|---|
| 0.01 gal | 7.68 tsp |
| 0.1 gal | 76.8 tsp |
| 0.25 gal | 192 tsp |
| 0.4 gal | 307.2 tsp |
| 0.75 gal | 576 tsp |
| 1.25 gal | 960 tsp |
| 1.75 gal | 1,344 tsp |
| 2.5 gal | 1,920 tsp |
| 3.5 gal | 2,688 tsp |
| 4.5 gal | 3,456 tsp |
| 6 gal | 4,608 tsp |
| 8 gal | 6,144 tsp |
| 10 gal | 7,680 tsp |
| 12 gal | 9,216 tsp |
| 14 gal | 10,752 tsp |
| 16 gal | 12,288 tsp |
| 18 gal | 13,824 tsp |
| 20 gal | 15,360 tsp |
| 24 gal | 18,432 tsp |
| 26 gal | 19,968 tsp |
| 30 gal | 23,040 tsp |
| 35 gal | 26,880 tsp |
| 45 gal | 34,560 tsp |
| 55 gal | 42,240 tsp |
| 65 gal | 49,920 tsp |
| 75 gal | 57,600 tsp |
| 85 gal | 65,280 tsp |
| 95 gal | 72,960 tsp |
| 110 gal | 84,480 tsp |
| 125 gal | 96,000 tsp |
| 175 gal | 134,400 tsp |
| 250 gal | 192,000 tsp |
| 350 gal | 268,800 tsp |
| 450 gal | 345,600 tsp |
| 600 gal | 460,800 tsp |
| 750 gal | 576,000 tsp |
| 900 gal | 691,200 tsp |
| 1,500 gal | 1,152,000 tsp |
| 2,500 gal | 1,920,000 tsp |
| 10,000 gal | 7,680,000 tsp |
Need the opposite direction? Use the US teaspoon to US gallon converter, or read our complete guide to volume conversions for every formula in one place.
Frequently asked questions
How many US teaspoons are in one us gallon?
One us gallon equals 768 US teaspoons. Multiply any us gallon value by 768 to get US teaspoons.
What is 10 US gallons in US teaspoons?
10 US gallons equal 7,680 US teaspoons (10 × 768).
Is the us gallon to us teaspoon conversion exact?
The conversion factor used here (768) is based on the internationally agreed definitions of both units, so results are exact up to rounding of the final decimal places.
Is my data stored when I use this converter?
No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.