Tablespoons to Teaspoons Converter
One Tablespoon equals 3 Teaspoons (1 tbsp = 3 tsp). Multiply a Tablespoon value by 3 to get the equivalent in Teaspoons. Enter a value above to calculate the result. You can also use the formula and reference table below.
Formula
tsp = tbsp × 3
Multiply the Tablespoon value by 3 to get the equivalent value in Teaspoons.
Example Conversions
1 Tablespoon (tbsp)
3 Teaspoon (tsp)
5 Tablespoon (tbsp)
15 Teaspoon (tsp)
10 Tablespoon (tbsp)
30 Teaspoon (tsp)
25 Tablespoon (tbsp)
75 Teaspoon (tsp)
100 Tablespoon (tbsp)
300 Teaspoon (tsp)
Conversion Table
| Tablespoon (tbsp) | Teaspoon (tsp) |
|---|---|
| 0.1 | 0.3 |
| 0.5 | 1.5 |
| 1 | 3 |
| 2 | 6 |
| 5 | 15 |
| 10 | 30 |
| 25 | 75 |
| 50 | 150 |
| 100 | 300 |
| 250 | 750 |
| 500 | 1500 |
| 1000 | 3000 |
How to Convert Manually
Use these steps to convert Tablespoon values to Teaspoon without the calculator.
- Write down the value in Tablespoon (tbsp) that you want to convert.
- Multiply that value by 3.
- For example, 10 Tablespoons × 3 = 30 Teaspoons.
- Label the result as Teaspoon (tsp).
Relative Size Comparison
This chart shows the visual difference in size between exactly one Tablespoon and one Teaspoon.
About Tablespoon and Teaspoon
The tablespoon is three teaspoons, about 14.79 milliliters in US recipe measure. Cooking and nutrition labels use it for oils, sauces, and medicine in the US. The teaspoon is about 4.93 milliliters in US recipe measure, one third of a tablespoon. Baking ingredients like spices, salt, and leavening are specified in teaspoons. One Tablespoon equals 3 Teaspoons (1 tbsp = 3 tsp). Tablespoon is used in recipe oil and sauce quantities and in nutrition serving sizes. Teaspoon is used in baking spices and leavening.
Precision and Rounding:US and imperial volume units share names but differ in size (an imperial gallon is about 20% larger than a US gallon), so confirm which system a figure uses before converting. Kitchen work tolerates rounding to the nearest milliliter or quarter-teaspoon; fuel, chemistry, and brewing need three or more decimal places.
Conversion factors per NIST Special Publication 811 and the BIPM SI Brochure (9th edition) (reference).
Worked Example
15Tablespoons equals45Teaspoons.
15 tbsp × 3 = 45 tsp
FAQ
How do I convert Tablespoon to Teaspoon?
Multiply the Tablespoon value by 3 to get the equivalent value in Teaspoons.
What is the formula for Tablespoon to Teaspoon?
The formula is tsp = tbsp × 3.
How many Teaspoons are in 1 Tablespoon?
1 Tablespoon equals 3 Teaspoons.
Can I convert Teaspoon back to Tablespoon?
Yes. 1 Teaspoon equals 0.3333333333 Tablespoons, and the related converter can reverse the calculation.
What are common names for Tablespoon and Teaspoon?
Tablespoon is shown as tbsp and may also be searched as tablespoons, tbs. Teaspoon is shown as tsp and may also be searched as teaspoons.
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