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 15.8 teaspoons into gallons we have to multiply 15.8 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

15.8 tsp → V_(gal)

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

V_(gal) = 15.8 tsp × 0.0013020833333325 gal

V_(gal) = 0.020572916666653 gal

The final result is:

15.8 tsp → 0.020572916666653 gal

We conclude that 15.8 teaspoons is equivalent to 0.020572916666653 gallons:

15.8 teaspoons = 0.020572916666653 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 48.607594936742 × 15.8 teaspoons.

Another way is saying that 15.8 teaspoons is equal to 1 ÷ 48.607594936742 gallons.

Approximate result

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

15.8 tsp ≅ 0.021 gal

An alternative is also that one gallon is approximately forty-eight point six zero eight times fifteen point eight 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