Convert tablespoons to teaspoons

1 tbsp=3.00269tsp

Use the converter below to change any tablespoons value into teaspoons instantly — with formula, conversion table, and real-world examples.

You have

Equals

3.002686

Conversion formula

Forward

teaspoons = tablespoons × 3.00269

Reverse

tablespoons = teaspoons × 0.333

Example: 10 tbsp × 3.00269 = 30.0269 tsp.

About both units

From

Tablespoon

tbsp

The US tablespoon equals 14.8 ml (sometimes rounded to 15 ml). The metric tablespoon used in Australia is 20 ml; the UK tablespoon is 17.7 ml. Most international recipes today assume 15 ml as a convenient approximation.

Real-world: Olive-oil recipes call for tablespoons of oil. Cough syrups often recommend 1 tbsp = 15 ml per dose.

Read full tablespoon reference →

Teaspoon

tsp

The teaspoon equals 4.929 ml in the US, rounded to 5 ml in most recipes and on medication labels. The relationship 3 teaspoons = 1 tablespoon is universal across US, UK and metric systems. Precision medicine and small-volume cooking rely on teaspoons.

Real-world: 1 teaspoon of sugar = 4 g = 16 calories. Salt in a recipe often ½ to 1 tsp per 500 g food.

Read full teaspoon reference →

Tablespoon to Teaspoon conversion table

Common tablespoons to teaspoons values for quick reference.

Tablespoon (tbsp)	Teaspoon (tsp)
1 tbsp	3.00269 tsp
2 tbsp	6.00537 tsp
5 tbsp	15.0134 tsp
10 tbsp	30.0269 tsp
20 tbsp	60.0537 tsp
50 tbsp	150.134 tsp
100 tbsp	300.269 tsp
200 tbsp	600.537 tsp
500 tbsp	1,501.34 tsp
1,000 tbsp	3,002.69 tsp

Tips & common mistakes

Quick tips

US tbsp = 15 ml (practical); 14.787 ml (legal); 3 teaspoons in any system.
Australian tablespoon = 20 ml — 33% larger. Adjust when using Australian recipes.
For accurate cooking, weigh dry ingredients rather than measuring by tablespoon.

Avoid these

Using an Australian tablespoon (20 ml) for a US recipe (15 ml) — 33% overshoot.
Treating teaspoon and tablespoon as interchangeable — tablespoon is 3× larger.
Using a dinner spoon from the cutlery drawer as a tablespoon — they vary widely.

Frequently asked questions

How many teaspoons in a tablespoon?

One tablespoon equals 3.00269 teaspoons.

How do I convert tablespoons to teaspoons?

Multiply the tablespoon value by 3.00269 to get the equivalent in teaspoons.

What is 100 tablespoons in teaspoons?

100 tablespoons equals 300.269 teaspoons.

Is a tablespoon bigger than a teaspoon?

Yes. 1 tablespoon equals 3.00269 teaspoons, so one tablespoon is larger.

How to convert tablespoons to teaspoons without a calculator?

Multiply by 3 for a quick estimate; use a calculator for precise results.

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