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 999 teaspoons into gallons we have to multiply 999 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

999 tsp → V_(gal)

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

V_(gal) = 999 tsp × 0.0013020833333325 gal

V_(gal) = 1.3007812499991 gal

The final result is:

999 tsp → 1.3007812499991 gal

We conclude that 999 teaspoons is equivalent to 1.3007812499991 gallons:

999 teaspoons = 1.3007812499991 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.76876876876929 × 999 teaspoons.

Another way is saying that 999 teaspoons is equal to 1 ÷ 0.76876876876929 gallons.

Approximate result

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

999 tsp ≅ 1.301 gal

An alternative is also that one gallon is approximately zero point seven six nine times nine hundred ninety-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