Tablespoon (US) to Teaspoon (US)Converter
Instantly convert Tablespoon (US) (tbsp) to Teaspoon (US) (tsp). Free, accurate, and easy to use.
How to Convert Tablespoon (US) to Teaspoon (US)
To convert Tablespoon (US) (tbsp) to Teaspoon (US) (tsp), multiply your value by 3.00000812.
Example: 5 tbsp × 3.00000812 = 15.00004058 tsp
What is a Tablespoon (US)?
The US tablespoon equals approximately 14.787 milliliters, or exactly 3 US teaspoons. It is standard in American recipes for sauces, oils, butter, and medium-volume liquid ingredients. The UK metric tablespoon equals 15 mL, while the Australian tablespoon is 20 mL. Sixteen tablespoons equal exactly one US cup.
What is a Teaspoon (US)?
The US teaspoon equals approximately 4.929 milliliters, or exactly 1/3 of a US tablespoon and 1/48 of a US cup. It is the smallest standard volume unit in American cooking, used for spices, extracts, and leavening agents. The metric teaspoon used in the UK and Australia is rounded to exactly 5 mL. Three teaspoons make one US tablespoon.
Tablespoon (US) to Teaspoon (US) Conversion Table
| Tablespoon (US) (tbsp) | Teaspoon (US) (tsp) |
|---|---|
| 0.001 tbsp | 0.00300001 tsp |
| 0.01 tbsp | 0.03000008 tsp |
| 0.1 tbsp | 0.30000081 tsp |
| 0.5 tbsp | 1.50000406 tsp |
| 1 tbsp | 3.00000812 tsp |
| 2 tbsp | 6.00001623 tsp |
| 5 tbsp | 15.00004058 tsp |
| 10 tbsp | 30.00008115 tsp |
| 20 tbsp | 60.00016231 tsp |
| 50 tbsp | 150.00040577 tsp |
| 100 tbsp | 300.00081154 tsp |
| 200 tbsp | 600.00162307 tsp |
| 500 tbsp | 1500.00405768 tsp |
| 1000 tbsp | 3000.00811537 tsp |
| 5000 tbsp | 15000.04057684 tsp |
| 10000 tbsp | 30000.08115368 tsp |
| 50000 tbsp | 150000.4057684 tsp |
| 100000 tbsp | 300000.81153681 tsp |
| 1000000 tbsp | 3000008.11536807 tsp |
| 1000000000 tbsp | 3.0000e+9 tsp |
Frequently Asked Questions
How do I convert Tablespoon (US) to Teaspoon (US)?
Multiply the Tablespoon (US) value by 3.00000812. Formula: tsp = tbsp × 3.00000812. Example: 10 tbsp = 30.00008115 tsp.
How many Teaspoon (US) are in one Tablespoon (US)?
One Tablespoon (US) (tbsp) equals 3.00000812 Teaspoon (US) (tsp).
How many Tablespoon (US) are in one Teaspoon (US)?
One Teaspoon (US) (tsp) equals 0.33333243 Tablespoon (US) (tbsp).
What is the exact conversion factor from Tablespoon (US) to Teaspoon (US)?
The conversion factor is 3.00000812. Multiply any tbsp value by this number to get tsp. For the reverse, multiply by 0.33333243.
How do I convert Teaspoon (US) back to Tablespoon (US)?
Divide by 3.00000812, or equivalently multiply by 0.33333243. Formula: tbsp = tsp ÷ 3.00000812.
Is the Tablespoon (US)-to-Teaspoon (US) conversion internationally standardized?
Yes. Both units are defined by international standards (SI or the international yard/pound agreement), so the conversion factor 3.00000812 is exact and universally agreed upon.