## 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 18 tablespoons into teaspoons we have to multiply 18 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

18 tbsp → V(tsp)

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

V(tsp) = 18 tbsp × 3.0000000000122 tsp

V(tsp) = 54.000000000219 tsp

The final result is:

18 tbsp → 54.000000000219 tsp

We conclude that 18 tablespoons is equivalent to 54.000000000219 teaspoons:

18 tablespoons = 54.000000000219 teaspoons

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 0.018518518518443 × 18 tablespoons.

Another way is saying that 18 tablespoons is equal to 1 ÷ 0.018518518518443 teaspoons.

## Approximate result

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

18 tbsp ≅ 54 tsp

An alternative is also that one teaspoon is approximately zero point zero one nine times eighteen 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)
19 tablespoons 57 teaspoons
20 tablespoons 60 teaspoons
21 tablespoons 63 teaspoons
22 tablespoons 66 teaspoons
23 tablespoons 69 teaspoons
24 tablespoons 72 teaspoons
25 tablespoons 75 teaspoons
26 tablespoons 78 teaspoons
27 tablespoons 81 teaspoons
28 tablespoons 84 teaspoons