We did the math and this is how many teaspoons are in 4 1/2 tablespoons:

4 1/2 Tablespoons (tbsp) = 13.5 Teaspoons (tsp)

.50

Quick answer

Equals to 13.5 teaspoons

4 1/2 Tablespoons is equal to 13.5 Teaspoons since one tablespoon equals three teaspoons. So, all you do is multiply the number of tablespoons by 3, and voilà! You've got the equivalent amount in teaspoons.

1 Tablespoons = 3 Teaspoons
4 1/2 * 3 = 13.5

Conversion chart

Handy Conversion Table

I thought since you came here looking for that conversion, you were probably also looking for a quick table... right?

So I prepared this handy little conversion table for tablespoons to teaspoons

Tablespoons (tbsp)	Teaspoons (tsp)
½ tbsp	1 ½ tsp
1 tbsp	3 tsp
1 ½ tbsp	4 ½ tsp
2 tbsp	6 tsp
2 ½ tbsp	7 ½ tsp
3 tbsp	9 tsp
3 ½ tbsp	10 ½ tsp
4 tbsp	12 tsp
4 ½ tbsp	13 ½ tsp
5 tbsp	15 tsp
5 ½ tbsp	16 ½ tsp
6 tbsp	18 tsp
6 ½ tbsp	19 ½ tsp
7 tbsp	21 tsp
7 ½ tbsp	22 ½ tsp
8 tbsp	24 tsp
8 ½ tbsp	25 ½ tsp
9 tbsp	27 tsp
9 ½ tbsp	28 ½ tsp
10 tbsp	30 tsp

Useful pages

More tablespoons conversions

The formula

Converting the units

Remember the magic number! 🪄 3 teaspoons fill up 1 tablespoon. It's a simple rule that keeps kitchen measurements consistent.

To switch tablespoons to teaspoons, you must simply triple the number of tablespoons and you will get the number of teaspoons.

N of tablespoons * 3 = N of teaspoons
or
Teaspoons = Tablespoons * 3