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 21.5 tablespoons into teaspoons we have to multiply 21.5 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

21.5 tbsp → V_(tsp)

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

V_(tsp) = 21.5 tbsp × 3.0000000000122 tsp

V_(tsp) = 64.500000000262 tsp

The final result is:

21.5 tbsp → 64.500000000262 tsp

We conclude that 21.5 tablespoons is equivalent to 64.500000000262 teaspoons:

21.5 tablespoons = 64.500000000262 teaspoons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 0.015503875968929 × 21.5 tablespoons.

Another way is saying that 21.5 tablespoons is equal to 1 ÷ 0.015503875968929 teaspoons.

Approximate result

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

21.5 tbsp ≅ 64.5 tsp

An alternative is also that one teaspoon is approximately zero point zero one six times twenty-one point five 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