Conversion formula

The conversion factor from teaspoons to gallons is 0.0013020833333325, which means that 1 teaspoon is equal to 0.0013020833333325 gallons:

1 tsp = 0.0013020833333325 gal

To convert 1.5 teaspoons into gallons we have to multiply 1.5 by the conversion factor in order to get the volume amount from teaspoons to gallons. We can also form a simple proportion to calculate the result:

1 tsp → 0.0013020833333325 gal

1.5 tsp → V_(gal)

Solve the above proportion to obtain the volume V in gallons:

V_(gal) = 1.5 tsp × 0.0013020833333325 gal

V_(gal) = 0.0019531249999987 gal

The final result is:

1.5 tsp → 0.0019531249999987 gal

We conclude that 1.5 teaspoons is equivalent to 0.0019531249999987 gallons:

1.5 teaspoons = 0.0019531249999987 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 512.00000000035 × 1.5 teaspoons.

Another way is saying that 1.5 teaspoons is equal to 1 ÷ 512.00000000035 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one point five teaspoons is approximately zero point zero zero two gallons:

1.5 tsp ≅ 0.002 gal

An alternative is also that one gallon is approximately five hundred twelve times one point five teaspoons.

Conversion table

teaspoons to gallons chart

For quick reference purposes, below is the conversion table you can use to convert from teaspoons to gallons