1 US tablespoon (tbsp) = 3 US teaspoons (tsp). To convert, multiply by 3: tsp = tbsp × 3. For example, 5 tbsp = 15 tsp.
tsp = tbsp × 3
US tablespoons to US teaspoons table
| US tablespoons (tbsp) | US teaspoons (tsp) |
|---|---|
| 1 | 3 |
| 2 | 6 |
| 3 | 9 |
| 4 | 12 |
| 5 | 15 |
| 10 | 30 |
| 20 | 60 |
| 25 | 75 |
| 50 | 150 |
| 100 | 300 |
| 250 | 750 |
| 500 | 1,500 |
| 1,000 | 3,000 |
The two units
US tablespoon (tbsp). Half a US fluid ounce. Metric tablespoons are 15 mL; Australian ones are 20 mL.
US teaspoon (tsp). One third of a US tablespoon. Metric teaspoons are 5 mL.
Because both units are defined in terms of the same base unit, the factor 3 is exact, not a rounded measurement.
Convert US tablespoons to other units
- US tablespoons to liters — 1 tbsp = 0.0147867648 L
- US tablespoons to milliliters — 1 tbsp = 14.78676478 mL
- US tablespoons to cubic meters — 1 tbsp = 0.0000147868 m³
- US tablespoons to US gallons — 1 tbsp = 0.00390625 gal (US)
- US tablespoons to US quarts — 1 tbsp = 0.015625 qt (US)
- US tablespoons to US pints — 1 tbsp = 0.03125 pt (US)
- US tablespoons to US cups — 1 tbsp = 0.0625 cup
- US tablespoons to US fluid ounces — 1 tbsp = 0.5 fl oz (US)
- US tablespoons to imperial gallons — 1 tbsp = 0.0032526335 gal (UK)
- US tablespoons to imperial pints — 1 tbsp = 0.0260210683 pt (UK)
- US tablespoons to cubic feet — 1 tbsp = 0.0005221897 ft³
- US tablespoons to cubic inches — 1 tbsp = 0.90234375 in³
Convert other units to US teaspoons
- US teaspoons to US tablespoons
- Liters to US teaspoons
- Milliliters to US teaspoons
- Cubic meters to US teaspoons
- US gallons to US teaspoons
- US quarts to US teaspoons
- US pints to US teaspoons
- US cups to US teaspoons
- US fluid ounces to US teaspoons
- Imperial gallons to US teaspoons
- Imperial pints to US teaspoons
- Cubic feet to US teaspoons
- Cubic inches to US teaspoons
Questions people ask
- How many US teaspoons are in a US tablespoon?
- 3, exactly.
- How do you convert US tablespoons to US teaspoons?
- tsp = tbsp × 3. It is the same as dividing by 0.3333333333.
- How do you convert US teaspoons back to US tablespoons?
- tbsp = tsp ÷ 3. See US teaspoons to US tablespoons.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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