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 1089 teaspoons into gallons we have to multiply 1089 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

1089 tsp → V_(gal)

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

V_(gal) = 1089 tsp × 0.0013020833333325 gal

V_(gal) = 1.417968749999 gal

The final result is:

1089 tsp → 1.417968749999 gal

We conclude that 1089 teaspoons is equivalent to 1.417968749999 gallons:

1089 teaspoons = 1.417968749999 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.70523415978009 × 1089 teaspoons.

Another way is saying that 1089 teaspoons is equal to 1 ÷ 0.70523415978009 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one thousand eighty-nine teaspoons is approximately one point four one eight gallons:

1089 tsp ≅ 1.418 gal

An alternative is also that one gallon is approximately zero point seven zero five times one thousand 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