Gallon (US) to Teaspoon (UK) Converter
Unit Converter
Instant · Precise · Universal
47 units available
6 categories total
How to Convert Gallon (US) to Teaspoon (UK)
To liters: multiply by 3.785. To UK gallons: multiply by 0.832674. To cubic meters: multiply by 0.003785.
1 US gal = 4 US qt = 8 US pt = 16 US cups = 128 US fl oz = 3.785411784 L.
For example, 1 Gallon (US) (gal (US)) = 639.49356 Teaspoon (UK) (tsp (UK)).
Gallon (US) to Teaspoon (UK) — Common Values
| Gallon (US) (gal (US)) | Teaspoon (UK) (tsp (UK)) |
|---|---|
| 0.1 | 63.949356 |
| 0.5 | 319.74678 |
| 1 | 639.49356 |
| 2 | 1278.98712 |
| 5 | 3197.4678 |
| 10 | 6394.9356 |
| 25 | 15987.339 |
| 50 | 31974.678 |
| 100 | 63949.356 |
| 500 | 319746.78 |
| 1000 | 639493.56 |
About Gallon (US) (gal (US))
Definition
The US gallon is a unit of volume equal to 128 US fluid ounces, or approximately 3.785 liters, used for large liquid volumes.
Mathematical Relationship
1 US gal = 4 US qt = 8 US pt = 16 US cups = 128 US fl oz = 3.785411784 L.
Conversion Formula
To liters: multiply by 3.785. To UK gallons: multiply by 0.832674. To cubic meters: multiply by 0.003785.
Practical Applications
Fuel prices ($/gal), milk jugs, water cooler bottles, swimming pool chemicals, and paint quantities.
Interesting Facts
The US gallon is smaller than the UK gallon: 3.785 L vs. 4.546 L. This means UK fuel economy figures look better by number!
Common Mistakes
Confusing US and UK gallons — UK gallons are 20% larger. Fuel economy (mpg) differs significantly between the two systems.
Educational Tips
1 gallon ≈ 3.8 liters ≈ a large milk jug. 4 quarts = 1 gallon. A gallon of water weighs about 8.3 pounds.
About Teaspoon (UK) (tsp (UK))
Definition
The UK teaspoon is a unit of culinary volume equal to approximately 5.919 milliliters, slightly larger than its US counterpart.
Mathematical Relationship
1 UK tsp ≈ 5.919 mL. Approximately 1.2 times the US teaspoon (4.929 mL).
Conversion Formula
To mL: multiply by 5.919. To US teaspoons: multiply by 1.201. To metric teaspoons: multiply by 1.184.
Practical Applications
Traditional British recipes, Commonwealth cooking, and older pharmaceutical dosing in the UK.
Interesting Facts
The UK teaspoon is about 20% larger than the US teaspoon. A recipe calling for 5 UK teaspoons would need 6 US teaspoons.
Common Mistakes
Assuming UK and US teaspoons are the same — the UK teaspoon is about 20% larger. This matters in precise baking.
Educational Tips
Modern UK recipes increasingly use metric (5 mL teaspoons). When following older UK recipes, a UK tsp ≈ 6 mL.