## 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 15.5 tablespoons into teaspoons we have to multiply 15.5 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

15.5 tbsp → V(tsp)

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

V(tsp) = 15.5 tbsp × 3.0000000000122 tsp

V(tsp) = 46.500000000189 tsp

The final result is:

15.5 tbsp → 46.500000000189 tsp

We conclude that 15.5 tablespoons is equivalent to 46.500000000189 teaspoons:

15.5 tablespoons = 46.500000000189 teaspoons

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 0.021505376343999 × 15.5 tablespoons.

Another way is saying that 15.5 tablespoons is equal to 1 ÷ 0.021505376343999 teaspoons.

## Approximate result

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

15.5 tbsp ≅ 46.5 tsp

An alternative is also that one teaspoon is approximately zero point zero two two times fifteen 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

tablespoons (tbsp) teaspoons (tsp)
16.5 tablespoons 49.5 teaspoons
17.5 tablespoons 52.5 teaspoons
18.5 tablespoons 55.5 teaspoons
19.5 tablespoons 58.5 teaspoons
20.5 tablespoons 61.5 teaspoons
21.5 tablespoons 64.5 teaspoons
22.5 tablespoons 67.5 teaspoons
23.5 tablespoons 70.5 teaspoons
24.5 tablespoons 73.5 teaspoons
25.5 tablespoons 76.5 teaspoons