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 660 teaspoons into gallons we have to multiply 660 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

660 tsp → V_(gal)

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

V_(gal) = 660 tsp × 0.0013020833333325 gal

V_(gal) = 0.85937499999942 gal

The final result is:

660 tsp → 0.85937499999942 gal

We conclude that 660 teaspoons is equivalent to 0.85937499999942 gallons:

660 teaspoons = 0.85937499999942 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 1.1636363636372 × 660 teaspoons.

Another way is saying that 660 teaspoons is equal to 1 ÷ 1.1636363636372 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred sixty teaspoons is approximately zero point eight five nine gallons:

660 tsp ≅ 0.859 gal

An alternative is also that one gallon is approximately one point one six four times six hundred sixty 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