Convert Tablespoon (tbsp) to Teaspoon (tsp) instantly. Enter any value — result updates live.
Converting Tablespoon to Teaspoon is a common volume conversion. One tablespoon (tbsp) equals 3.00001 teaspoon (tsp). Tablespoons are used in cooking and baking recipes, especially in the United States.
This conversion is commonly needed for home brewing and winemaking, cooking and baking recipes, fuel and vehicle maintenance. Teaspoons are the smallest common cooking measurement, also used for medicine dosing.
To put tablespoon in perspective: a tablespoon of olive oil. In teaspoon, common references include a teaspoon of vanilla extract.
A tablespoon was historically defined in the UK as exactly 3 teaspoons, a ratio still used today even though exact volumes have been standardized differently across countries.
The teaspoon's modern volume (about 4.93 mL in the US) was standardized in the early 20th century specifically to make recipe scaling and medicine dosing more consistent.
People frequently convert between tablespoon and teaspoon for:
| Tablespoon (tbsp) | Teaspoon (tsp) |
|---|---|
| 1 tbsp | 3.00001 tsp |
| 2 tbsp | 6.00002 tsp |
| 5 tbsp | 15 tsp |
| 10 tbsp | 30.0001 tsp |
| 15 tbsp | 45.0001 tsp |
| 20 tbsp | 60.0002 tsp |
| 25 tbsp | 75.0002 tsp |
| 30 tbsp | 90.0002 tsp |
| 50 tbsp | 150 tsp |
| 100 tbsp | 300 tsp |
| 200 tbsp | 600 tsp |
| 500 tbsp | 1,500 tsp |
| 1000 tbsp | 3,000 tsp |