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 138.7 teaspoons into gallons we have to multiply 138.7 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

138.7 tsp → V_(gal)

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

V_(gal) = 138.7 tsp × 0.0013020833333325 gal

V_(gal) = 0.18059895833321 gal

The final result is:

138.7 tsp → 0.18059895833321 gal

We conclude that 138.7 teaspoons is equivalent to 0.18059895833321 gallons:

138.7 teaspoons = 0.18059895833321 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 5.5371304974803 × 138.7 teaspoons.

Another way is saying that 138.7 teaspoons is equal to 1 ÷ 5.5371304974803 gallons.

Approximate result

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

138.7 tsp ≅ 0.181 gal

An alternative is also that one gallon is approximately five point five three seven times one hundred thirty-eight point seven 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