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 662 teaspoons into gallons we have to multiply 662 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

662 tsp → V_(gal)

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

V_(gal) = 662 tsp × 0.0013020833333325 gal

V_(gal) = 0.86197916666608 gal

The final result is:

662 tsp → 0.86197916666608 gal

We conclude that 662 teaspoons is equivalent to 0.86197916666608 gallons:

662 teaspoons = 0.86197916666608 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 1.1601208459222 × 662 teaspoons.

Another way is saying that 662 teaspoons is equal to 1 ÷ 1.1601208459222 gallons.

Approximate result

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

662 tsp ≅ 0.862 gal

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