Conversion formula

The conversion factor from tablespoons to teaspoons is 3.0000000000122, which means that 1 tablespoon is equal to 3.0000000000122 teaspoons:

1 tbsp = 3.0000000000122 tsp

To convert 150 tablespoons into teaspoons we have to multiply 150 by the conversion factor in order to get the volume amount from tablespoons to teaspoons. We can also form a simple proportion to calculate the result:

1 tbsp → 3.0000000000122 tsp

150 tbsp → V_(tsp)

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

V_(tsp) = 150 tbsp × 3.0000000000122 tsp

V_(tsp) = 450.00000000183 tsp

The final result is:

150 tbsp → 450.00000000183 tsp

We conclude that 150 tablespoons is equivalent to 450.00000000183 teaspoons:

150 tablespoons = 450.00000000183 teaspoons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 0.0022222222222132 × 150 tablespoons.

Another way is saying that 150 tablespoons is equal to 1 ÷ 0.0022222222222132 teaspoons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one hundred fifty tablespoons is approximately four hundred fifty teaspoons:

150 tbsp ≅ 450 tsp

An alternative is also that one teaspoon is approximately zero point zero zero two times one hundred fifty tablespoons.

Conversion table

tablespoons to teaspoons chart

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