Tablespoons to teaspoons
One tbsp equals 3 tsp. Type any number and the answer appears as you type — the maths happens in your browser.
Result
The same value in every unit
| Unit | Value |
|---|
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Common values
| tablespoons | teaspoons |
|---|---|
| 1 tbsp | 3 tsp |
| 2 tbsp | 6 tsp |
| 3 tbsp | 9 tsp |
| 5 tbsp | 15 tsp |
| 10 tbsp | 30 tsp |
| 15 tbsp | 45 tsp |
| 20 tbsp | 60 tsp |
| 25 tbsp | 75 tsp |
| 50 tbsp | 150 tsp |
| 100 tbsp | 300 tsp |
| 500 tbsp | 1500 tsp |
| 1000 tbsp | 3000 tsp |
How to use
- Enter the number of tablespoons in the field.
- The result in teaspoons updates on every keystroke.
- Use the table below for the values people look up most often.
Formula and reverse conversion
The formula
To convert by hand: tsp = tbsp × 3. Going back the other way, one tsp is 0.3333333333 tbsp.
Where the odd number comes from
The factor is not a round number because the imperial units are defined through the metric ones by international agreement: an inch is exactly 25.4 mm and a pound is exactly 0.45359237 kg. Everything else follows from those definitions.
tsp = tbsp × 3
Frequently asked questions
How many teaspoons are in one tablespoons?
One tbsp is 3 tsp.
How do I convert tablespoons to teaspoons?
Multiply by the factor: tsp = tbsp × 3.
Is the result exact?
The factors are the exact legal definitions, and up to ten significant digits are kept in the answer. Rounding happens only in the display.
How do I convert teaspoons back to tablespoons?
One tsp is 0.3333333333 tbsp — or open the reverse page linked below.