This converter turns tablespoons into teaspoons instantly, using the exact factor 1 tablespoon = 3 teaspoons. Type any number and the result updates as you go — nothing is sent to a server, so the arithmetic happens entirely in your browser.
Three teaspoons, or 14.79 millilitres in US measure. The smallest standard kitchen measure, 4.93 millilitres.
Because the relationship is a simple proportion, one multiplication does the whole job. The table further down gives pre-computed values for the amounts people look up most often, and the result panel also reports the reverse conversion so you can check the figure both ways.
The formula
tablespoons- The amount you are converting, measured in tablespoons
3- The exact number of teaspoons in one tablespoon
teaspoons- The converted result
How it works, step by step
- Enter the number of tablespoons you want to convert.
- The value is multiplied by 3, the exact conversion factor.
- The result is displayed in teaspoons, rounded for readability.
- The unrounded value and the reverse conversion appear underneath so you can verify it.
Worked examples
Converting 5 tablespoons
Multiply 5 by 3. That gives 15 teaspoons. A quick sanity check: one tablespoon is larger than one teaspoon, so the number should get bigger — and it does.
Converting 72 tablespoons
72 × 3 = 216 teaspoons. Working backwards, 216 ÷ 3 returns 72 tablespoons, which confirms the factor is applied the right way round.
How to read your score
Frequently asked questions
How many teaspoons are in one tablespoon?
Exactly 3. Every conversion on this page is that single number multiplied by your input, so the result carries no rounding error beyond what is shown.
What is the formula to convert tablespoons to teaspoons?
Teaspoons = tablespoons × 3. To reverse it, divide instead: tablespoons = teaspoons ÷ 3, which is the same as multiplying by 0.3333333333.
Is the tablespoon bigger than the teaspoon?
Yes. One tablespoon equals 3 teaspoons, so it is the larger unit.
Why does my answer differ slightly from other tablespoons to teaspoons converters?
Most differences come from rounding the factor too early. This tool keeps full double precision through the calculation and only rounds at the final display step, and it also shows the unrounded value so you can see exactly where any difference appears.
What is a tablespoon?
Three teaspoons, or 14.79 millilitres in US measure.
What is a teaspoon?
The smallest standard kitchen measure, 4.93 millilitres.
Tablespoons to teaspoons reference table
| Tablespoons | Teaspoons |
|---|---|
| 0.5 tbsp | 1.5 tsp |
| 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 |
| 75 tbsp | 225 tsp |
| 100 tbsp | 300 tsp |
| 250 tbsp | 750 tsp |
| 500 tbsp | 1,500 tsp |
| 1000 tbsp | 3,000 tsp |
Exact factor: 1 tablespoon = 3 teaspoons. Values rounded for display.