Convert Gallons (US) to Teaspoons (US)
One gallon (US) equals 768 teaspoons (us). Type any value to convert gallons (us) to teaspoons (us) instantly — with a full reference table below.
Convert Gallons (US) to Teaspoons (US)
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How to convert Gallons (US) to Teaspoons (US)
To convert gallons (us) to teaspoons (us), multiply by 768. One gallon (US) equals 768 tsp, and one teaspoon (US) equals 0.00130208 gal.
- Take the value in gallons (us) — for example 7.5 gal.
- Multiply by 768 (the number of teaspoons (us) in one gallon (US)).
- 7.5 × 768 = 5,760 tsp.
Quick mental estimate: Multiply the number of gallons (us) by 768 — that is exact.
Gallons (US) to Teaspoons (US) conversion table
| Gallons (US) | Teaspoons (US) |
|---|---|
| 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 |
| 8 gal | 6,144 tsp |
| 10 gal | 7,680 tsp |
| 12 gal | 9,216 tsp |
| 16 gal | 12,288 tsp |
| 20 gal | 15,360 tsp |
| 24 gal | 18,432 tsp |
| 32 gal | 24,576 tsp |
| 50 gal | 38,400 tsp |
| 100 gal | 76,800 tsp |
| Teaspoons (US) | Gallons (US) |
|---|---|
| 1 tsp | 0.00130208 gal |
| 2 tsp | 0.00260417 gal |
| 3 tsp | 0.00390625 gal |
| 4 tsp | 0.00520833 gal |
| 5 tsp | 0.00651042 gal |
| 6 tsp | 0.0078125 gal |
| 8 tsp | 0.0104167 gal |
| 10 tsp | 0.0130208 gal |
| 12 tsp | 0.015625 gal |
| 16 tsp | 0.0208333 gal |
| 20 tsp | 0.0260417 gal |
| 24 tsp | 0.03125 gal |
| 32 tsp | 0.0416667 gal |
| 50 tsp | 0.0651042 gal |
| 100 tsp | 0.130208 gal |
About converting Gallons (US) to Teaspoons (US)
Gallons (US) (gal) and Teaspoons (US) (tsp) are both units of volume. The exact factor is 1 gal = 768 tsp, so multiply by 768 to go from gallons (us) to teaspoons (us) (or divide to go back).
The conversion runs entirely in your browser. Need the reverse? Use the Teaspoons (US) to Gallons (US) converter, or the full unit converter for every unit at once.
Real-world volume in gallons (us) and teaspoons (us)
| Example | Gallons (US) | Teaspoons (US) |
|---|---|---|
| A US soda can (12 fl oz) | 0.09375 gal | 72 tsp |
| A wine bottle | 0.198129 gal | 152.1631 tsp |
| A US gallon of milk | 1 gal | 768 tsp |
| A typical car fuel tank | ≈ 13.2086 gal | ≈ 10,144.21 tsp |
| A typical bathtub | ≈ 39.62581 gal | ≈ 30,432.62 tsp |
“≈” marks typical values; the rest are defined or measured figures.
The units
The US liquid gallon: 231 cubic inches, exactly 3.785411784 L. (The UK imperial gallon is larger: 4.54609 L.)
Used for: US fuel and milk.
A third of a tablespoon, 4.92892159375 mL — medicine spoons round this to 5 mL.
Used for: Recipes and medicine doses.
US customary volumes are exact by definition: the US gallon is 231 cubic inches, which is exactly 3.785411784 litres.