Skip to content

Tablespoons to teaspoons (tbsp to tsp)

1 tbsp = 3 tsp. Enter any value below to convert tablespoons to teaspoons instantly, or use the volume converter for every other unit.

Maintained by Jairo TunisseLast updated Editorial policy

1 tbsp = 3 tsp

tsp = tbsp × 3
1 tsp = 0.3333333333 tbsp

Convert volume

Common volume conversions

1 tsp4.928921594 mL
1 tbsp14.78676478 mL
1 fl oz29.57352956 mL
1 cup236.5882365 mL
1 pt0.473176473 L
1 qt0.946352946 L
1 gal3.785411784 L
1 imp gal4.54609 L

Tablespoons to teaspoons conversion table

Tablespoons to teaspoons
Tablespoons, US (tbsp)Teaspoons, US (tsp)
0.5 tbsp1.5 tsp
1 tbsp3 tsp
1.5 tbsp4.5 tsp
2 tbsp6 tsp
3 tbsp9 tsp
4 tbsp12 tsp
8 tbsp24 tsp
16 tbsp48 tsp

The formula

tsp = tbsp × 3

1 US tbsp = ½ US fl oz = 14.78676478125 mL. 1 US tsp = ⅓ US tbsp = 4.92892159375 mL. These are exact definitions, so the only rounding is in the displayed result (10 significant digits).

When you need it

Tablespoons to teaspoons is a scaling conversion for recipes: halving a recipe that calls for 1 tablespoon leaves you with 1½ teaspoons. A US tablespoon is exactly 3 US teaspoons.

Frequently asked questions

How do I convert tablespoons to teaspoons?

Multiply the value in tablespoons by 3 (or divide by 0.3333333333). For example, 2 tbsp = 6 tsp.

How many teaspoons are in one tablespoon?

1 tbsp = 3 tsp.

How many teaspoons are in 1/4 cup?

12 teaspoons, since 1/4 cup is 4 tablespoons of 3 teaspoons each.

Is an Australian tablespoon different?

Yes. Australia uses a 20 mL tablespoon (4 teaspoons); the US tablespoon is about 14.8 mL.