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 1500 tablespoons into teaspoons we have to multiply 1500 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

1500 tbsp → V_(tsp)

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

V_(tsp) = 1500 tbsp × 3.0000000000122 tsp

V_(tsp) = 4500.0000000183 tsp

The final result is:

1500 tbsp → 4500.0000000183 tsp

We conclude that 1500 tablespoons is equivalent to 4500.0000000183 teaspoons:

1500 tablespoons = 4500.0000000183 teaspoons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 0.00022222222222132 × 1500 tablespoons.

Another way is saying that 1500 tablespoons is equal to 1 ÷ 0.00022222222222132 teaspoons.

Approximate result

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

1500 tbsp ≅ 4500 tsp

An alternative is also that one teaspoon is approximately zero times one thousand five hundred 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