Convert Teaspoons to Gallons

1 tsp = 0.00130208 gal

1 tsp = 0.00130208 gal

teaspoons (tsp) gallons (gal)
0.5 0.000651042
1 0.00130208
2 0.00260417
5 0.00651042
10 0.0130208
25 0.0325521
50 0.0651042
100 0.130208
250 0.325521
500 0.651042
1000 1.3021

To convert teaspoons to gallons, multiply the value by the conversion factor:

1 tsp = 0.00130208 gal

For example: 10 tsp = 0.0130208 gal

The Conversion Formula

To convert teaspoons to gallons, multiply the value by the conversion factor: 1 tsp = 0.00130208 gal. For a worked example, suppose you need to convert 25 tsp to gallons: 25 × 0.00130208 = 0.0325521 gal. To convert in the opposite direction, divide by 0.00130208, or equivalently multiply by 768.

About teaspoons

The teaspoon (tsp) began as a spoon for stirring tea but became a critical unit of measure for potent ingredients like salt, baking powder, and spices. In the US, it is 1/6th of a fluid ounce (approx. 4.9 mL). The metric teaspoon is exactly 5 mL. This similarity means US and metric teaspoons are often interchangeable for home cooking without issues. teaspoons are commonly used in Spices and seasonings, Baking powder/soda, Vanilla extract, and Medicine (5 mL typically), Sugar in coffee.

A capful of vanilla extract is about 1 teaspoon.

About gallons

The gallon is a unit with a split personality. The US Gallon (approx. 3.785 L) is based on the pre-1824 English wine gallon. The Imperial Gallon (approx. 4.546 L) used in the UK is about 20% larger. This divergence happened when Britain updated its standards in 1824, but the newly independent US stuck with the old wine gallon. Today, the US gallon is the standard for fuel and milk in the United States. gallons are commonly used in Gasoline sales (US), Milk jugs (US), Paint buckets, and Water consumption tracking, Aquarium sizes.

A large milk jug in the US is 1 gallon.

When Would You Convert teaspoons to gallons?

Converting between teaspoons and gallons is one of the most common volume conversions. You might need this conversion when working with international specifications, following instructions written for a different measurement system, or comparing values across different standards. Having the conversion factor (1 tsp = 0.00130208 gal) memorized or bookmarked can save time in professional and everyday contexts alike.