Quick Answer
1 tablespoon (tbsp) = 3 teaspoons (tsp), and 1 teaspoon = 0.333332 tablespoons. Tablespoons is the larger unit, so the same physical amount needs a bigger number when measured in Teaspoons. Convert either way with the live tool below or the dedicated converter pages.
Key Facts
- 1 tablespoon (tbsp) = 3 tsp
- 1 teaspoon (tsp) = 0.333332 tbsp
- Conversion is exact multiplication - no rounding in the factor
- Table below covers common values in both directions
- Dedicated converters: tbsp→tsp and tsp→tbsp pages with live tools
Frequently Asked Questions
Which is bigger, a tablespoon or a teaspoon?
One tablespoon equals 3 tsp, and one teaspoon equals 0.333332 tbsp. The unit with the larger factor is the physically bigger one.
How do I convert tablespoons to teaspoons?
Multiply by the factor: value in tsp = value in tbsp × 3. Example: 5 tbsp = 15 tsp. Reverse: divide by 3 (or multiply by 0.333332).
Why are tablespoons and teaspoons different?
They are two different units measuring the same physical quantity. A tablespoon is defined as exactly 3 tsp, and a teaspoon as exactly 0.333332 tbsp. Because the units differ in size, the number you write down for the same amount depends on which unit you use - the conversion factor itself is exact, with no rounding.
Is there a quick way to convert without a calculator?
Memorize the 1-to factor: 1 tablespoon ≈ 3 tsp. Then multiply. For 2 tbsp that's ≈ 6 tsp.