Convert US gallons to Teaspoon (US)
Americas · Cooking Measures · active · modern
Conventional value The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact.
1 US gallon = 768 Teaspoon (US)
Teaspoon (US) = US gallons × 768.00025
Convert any amount
US gallons to Teaspoon (US) table
| US gallons | Teaspoon (US) |
|---|---|
| 0.25 US gallons | 192 Teaspoon (US) |
| 0.5 US gallons | 384 Teaspoon (US) |
| 1 US gallon | 768 Teaspoon (US) |
| 2 US gallons | 1,536 Teaspoon (US) |
| 3 US gallons | 2,304 Teaspoon (US) |
| 4 US gallons | 3,072 Teaspoon (US) |
| 5 US gallons | 3,840 Teaspoon (US) |
| 10 US gallons | 7,680 Teaspoon (US) |
| 20 US gallons | 15,360 Teaspoon (US) |
| 25 US gallons | 19,200 Teaspoon (US) |
| 50 US gallons | 38,400 Teaspoon (US) |
| 100 US gallons | 76,800 Teaspoon (US) |
About the Teaspoon (US)
US teaspoon = 4.93ml.
- Symbol
- tsp
- Value in SI
- 1 Teaspoon (US) = 0.00492892 litre
- Typical use
- cooking
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI litre. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other cooking measures units in the Americas family, least settled first. If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
Related conversions
Frequently asked
How many Teaspoon (US) are in a US gallon?
1 US gallon = 768 Teaspoon (US). Multiply the number of US gallons by 768.00025 to get Teaspoon (US).
What is Teaspoon (US) used for?
US teaspoon = 4.93ml. It is classified as active and dates from the modern period.
Is the Teaspoon (US) value exact?
Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI litre, so the arithmetic itself introduces no rounding beyond the digits shown.
How reliable is this Teaspoon (US) conversion?
Conventional value — The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert US gallons to Teaspoon (US). UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/us-gallon-to-tsp-us
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