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 489 teaspoons into gallons we have to multiply 489 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

489 tsp → V_(gal)

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

V_(gal) = 489 tsp × 0.0013020833333325 gal

V_(gal) = 0.63671874999957 gal

The final result is:

489 tsp → 0.63671874999957 gal

We conclude that 489 teaspoons is equivalent to 0.63671874999957 gallons:

489 teaspoons = 0.63671874999957 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 1.5705521472403 × 489 teaspoons.

Another way is saying that 489 teaspoons is equal to 1 ÷ 1.5705521472403 gallons.

Approximate result

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

489 tsp ≅ 0.637 gal

An alternative is also that one gallon is approximately one point five seven one times four hundred eighty-nine 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