Gallons (UK) to Teaspoons (US) converter

To convert gallons (UK) to teaspoons (US), enter the value in the first field. The result in teaspoons (US) is calculated automatically using the exact conversion factor.

1 UK gal ≈ 922.329542788 US tsp
1 US tsp ≈ 0.0010842111779 UK gal

Formula: US tsp ≈ UK gal × 922.329542788
UK gal ≈ US tsp × 0.0010842111779

Definitions: 1 UK gal = 4.54609 L; 1 US tsp = 1/3 US tbsp

The imperial (UK) gallon is defined as exactly 4.54609 liters, about 20% larger than the US liquid gallon. It survives in British fuel-economy figures (miles per gallon) and is the base of the imperial system of capacity, in which the pint, quart, peck and bushel are all defined relative to it.

The US teaspoon is one third of a US tablespoon, about 4.93 mL. It is the teaspoon of American recipes, while nutrition labels and medicine dosing in the United States round it to 5 mL.

See the conversion table with commonly used values, handy for quick reference or study.