Conversion formula

The conversion factor from tablespoons to gallons is 0.0039062500000132, which means that 1 tablespoon is equal to 0.0039062500000132 gallons:

1 tbsp = 0.0039062500000132 gal

To convert 15 tablespoons into gallons we have to multiply 15 by the conversion factor in order to get the volume amount from tablespoons to gallons. We can also form a simple proportion to calculate the result:

1 tbsp → 0.0039062500000132 gal

15 tbsp → V_(gal)

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

V_(gal) = 15 tbsp × 0.0039062500000132 gal

V_(gal) = 0.058593750000198 gal

The final result is:

15 tbsp → 0.058593750000198 gal

We conclude that 15 tablespoons is equivalent to 0.058593750000198 gallons:

15 tablespoons = 0.058593750000198 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 17.066666666609 × 15 tablespoons.

Another way is saying that 15 tablespoons is equal to 1 ÷ 17.066666666609 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that fifteen tablespoons is approximately zero point zero five nine gallons:

15 tbsp ≅ 0.059 gal

An alternative is also that one gallon is approximately seventeen point zero six seven times fifteen tablespoons.

Conversion table

tablespoons to gallons chart

For quick reference purposes, below is the conversion table you can use to convert from tablespoons to gallons