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 668 teaspoons into gallons we have to multiply 668 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

668 tsp → V_(gal)

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

V_(gal) = 668 tsp × 0.0013020833333325 gal

V_(gal) = 0.86979166666608 gal

The final result is:

668 tsp → 0.86979166666608 gal

We conclude that 668 teaspoons is equivalent to 0.86979166666608 gallons:

668 teaspoons = 0.86979166666608 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 1.1497005988032 × 668 teaspoons.

Another way is saying that 668 teaspoons is equal to 1 ÷ 1.1497005988032 gallons.

Approximate result

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

668 tsp ≅ 0.87 gal

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