Conversion formula

The conversion factor from teaspoons to tablespoons is 0.33333333333198, which means that 1 teaspoon is equal to 0.33333333333198 tablespoons:

1 tsp = 0.33333333333198 tbsp

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

1 tsp → 0.33333333333198 tbsp

15 tsp → V_(tbsp)

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

V_(tbsp) = 15 tsp × 0.33333333333198 tbsp

V_(tbsp) = 4.9999999999797 tbsp

The final result is:

15 tsp → 4.9999999999797 tbsp

We conclude that 15 teaspoons is equivalent to 4.9999999999797 tablespoons:

15 teaspoons = 4.9999999999797 tablespoons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 tablespoon is equal to 0.20000000000081 × 15 teaspoons.

Another way is saying that 15 teaspoons is equal to 1 ÷ 0.20000000000081 tablespoons.

Approximate result

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

15 tsp ≅ 5 tbsp

An alternative is also that one tablespoon is approximately zero point two times fifteen teaspoons.

Conversion table

teaspoons to tablespoons chart

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