US teaspoons to US tablespoons
Type a value in US teaspoons and get the result in US tablespoons, calculated exactly.
1 US teaspoons ≈ 0.3333333333 US tablespoons
Precision
Exact factorRounded for display to about 10 significant digits.
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Formula
tbsp (US) = tsp (US) ÷ 3
To convert US teaspoons to US tablespoons, divide the value by 3.
Worked examples
- 1 tsp (US) ÷ 3 ≈ 0.3333333333 tbsp (US)
- 100 tsp (US) ÷ 3 ≈ 33.33333333 tbsp (US)
- 50 tsp (US) ÷ 3 ≈ 16.66666667 tbsp (US)
This factor is exact by definition.
Conversion table
| US teaspoons (tsp (US)) | US tablespoons (tbsp (US)) |
|---|---|
| 0.25 | ≈ 0.08333333 |
| 0.5 | ≈ 0.1666667 |
| 0.75 | 0.25 |
| 1 | ≈ 0.3333333 |
| 1.5 | 0.5 |
| 2 | ≈ 0.6666667 |
| 2.5 | ≈ 0.8333333 |
| 3 | 1 |
| 4 | ≈ 1.333333 |
| 5 | ≈ 1.666667 |
| 6 | 2 |
| 8 | ≈ 2.666667 |
| 10 | ≈ 3.333333 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: US tablespoons to US teaspoons
| US tablespoons (tbsp (US)) | US teaspoons (tsp (US)) |
|---|---|
| 0.25 | 0.75 |
| 0.5 | 1.5 |
| 0.75 | 2.25 |
| 1 | 3 |
| 1.5 | 4.5 |
| 2 | 6 |
| 2.5 | 7.5 |
| 3 | 9 |
| 4 | 12 |
| 5 | 15 |
| 6 | 18 |
| 8 | 24 |
| 10 | 30 |
Unit definitions
- US teaspoons tsp (US)
- One third of a US tablespoon: exactly 4.92892159375 mL.
- US tablespoons tbsp (US)
- Half a US fluid ounce: exactly 14.78676478125 mL.
Questions people ask
US teaspoons to US tablespoons: what is the conversion factor?
One tsp (US) is ≈ 0.3333333333 tbsp (US).
How do I convert US teaspoons to US tablespoons?
Use the formula above. For example, 100 tsp (US) = ≈ 33.33333333 tbsp (US).
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.