Teaspoons to Tablespoons
Convert teaspoons to tablespoons instantly — one teaspoon is 0.333333 tablespoons.
| Teaspoons | Tablespoons |
|---|---|
| 1 tsp | 0.333333 tbsp |
| 2 tsp | 0.666667 tbsp |
| 3 tsp | 1 tbsp |
| 5 tsp | 1.666667 tbsp |
| 10 tsp | 3.333333 tbsp |
| 25 tsp | 8.333333 tbsp |
| 50 tsp | 16.666667 tbsp |
| 100 tsp | 33.333333 tbsp |
How to use
- Enter a value in the Teaspoons field.
- The Tablespoons figure appears immediately — no button to press.
- Typing in the Tablespoons field converts back to Teaspoons the same way.
- Use the reference table for the values that come up most often.
Teaspoons to Tablespoons formula
To convert teaspoons to tablespoons, multiply by 0.333333333.
tbsp = tsp × 0.333333333
Put another way, one teaspoon is exactly 1/3 of a tablespoon.
Why this factor: the teaspoon and the tablespoon are both defined against the liter, so dividing one definition by the other gives 0.333333333 directly. Both definitions are set out in full below.
To go the other way, divide by 0.333333333 — or use the Tablespoons to Teaspoons converter, which is the same calculation reversed.
Worked example
Start with 8 tsp. Multiply by 0.333333333 to get 2.666667 tbsp.
8 tsp × 0.333333333 = 2.666667 tbsp
The converter above does this for any value you type, in either direction.
What is a teaspoon?
A US teaspoon is the smallest common cooking measure, one third of a tablespoon.
Definition: Exactly one sixth of a US fluid ounce, so about 4.9289 milliliters — conventionally rounded to 5 mL.
Where it is used: Recipes, spice and leavening quantities, and liquid medicine doses.
What is a tablespoon?
A US tablespoon is a standard cooking measure equal to three teaspoons.
Definition: Exactly half a US fluid ounce, so about 14.7868 milliliters.
Where it is used: American recipes, medication dosing instructions, and nutrition labeling.
Worth knowing: Australian tablespoons are 20 mL, not 15 — a real difference when scaling a recipe.
Teaspoons vs Tablespoons
The teaspoon and the tablespoon belong to the same family of units, so converting between them is usually a matter of shifting a decimal point or applying a small whole-number factor.
Frequently asked questions
How many tablespoons are in a teaspoon?
One teaspoon equals 0.333333333 tablespoons.
What is the formula to convert teaspoons to tablespoons?
Multiply the number of teaspoons by 0.333333333. To reverse it, divide by 0.333333333 instead.
How do I convert tablespoons back to teaspoons?
Divide by 0.333333333, which is the same as multiplying by 3.
How many tablespoons are in 10 teaspoons?
10 tsp works out to 3.333333 tbsp.
Is there anything to watch out for with tablespoons?
Australian tablespoons are 20 mL, not 15 — a real difference when scaling a recipe.
How is the teaspoon defined?
Exactly one sixth of a US fluid ounce, so about 4.9289 milliliters — conventionally rounded to 5 mL.