How do I convert tablespoons to teaspoons?

To convert tablespoons to teaspoons, use our converter above. Perfect for adjusting recipes between metric and imperial or scaling recipes up or down.

How accurate are these cooking conversions?

Our conversions are precise to several decimal places. For most cooking, rounding to practical measurements works fine - exact precision is rarely needed except in baking.

Tablespoon to Teaspoon Converter

Convert Tablespoons to Teaspoons instantly

From

tbsp

Result

0tsp

Teaspoon

Conversion Formula

Teaspoon = Tablespoon × 3.000008

Where:

tbsp = Tablespoon
tsp = Teaspoon

What is a Tablespoon?

The tablespoon (tbsp) is a unit of cooking in the imperial system of measurement.

What is a Teaspoon?

The teaspoon (tsp) is a unit of cooking in the imperial system of measurement.

How to Convert Tablespoon to Teaspoon

Convert tablespoons to teaspoons instantly

Quick Reference:

1 tbsp = 3.000008 tsp
1 tsp = 0.333332 tbsp

Common Tablespoon to Teaspoon Conversions

1 tbsp
= 3.00 tsp

5 tbsp
= 15.00 tsp

10 tbsp
= 30.00 tsp

25 tbsp
= 75.00 tsp

50 tbsp
= 150.00 tsp

100 tbsp
= 300.00 tsp

Conversion Reference Table

Tablespoon (tbsp)	Teaspoon (tsp)
1	3
2	6
3	9
4	12
5	15
10	30.0001
15	45.0001
20	60.0002
25	75.0002
50	150.0004
75	225.0006
100	300.0008
250	750.002
500	1,500.0041
1,000	3,000.0081

Quick reference table showing common tablespoons to teaspoons conversions.

Real-World Cooking Conversions

🍰

Baking and Pastries

Precise measurements are crucial for cakes, cookies, and bread. Converting grams to cups or ounces to milliliters ensures your baked goods turn out perfect every time.

🌍

International Recipes

Following recipes from different countries requires converting between metric and imperial. A French recipe in grams needs conversion to cups for US kitchens.

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Liquid Ingredients

Convert between milliliters, fluid ounces, cups, and tablespoons for liquids like milk, oil, and water. Essential for accurate recipe measurements.

🌾

Dry Ingredients

Flour, sugar, and spices need proper conversion between grams and cups. Weight measurements are more reliable than volume for dry ingredients.

📏

Recipe Scaling

Double or halve recipes by converting measurements. Make a family-sized batch or scale down to a single serving with accurate conversions.

👨‍🍳

Professional Cooking

Chefs use precise measurements for consistency. Converting between units helps maintain recipe standards across different kitchen setups.

Cooking Conversion FAQs

Common Conversion Mistakes

⚠Confusing the direction of conversion — always check whether you are converting from Tablespoon to Teaspoon or vice versa.
⚠Rounding too early in multi-step calculations. Keep full precision until the final result.
⚠Using outdated or approximate conversion factors. Our converter uses values traceable to international measurement standards.

Sources & Standards

Conversion factors on this page are based on definitions from the International Bureau of Weights and Measures (BIPM) and the National Institute of Standards and Technology (NIST). All factors are accurate to at least 6 decimal places.

Last updated: November 27, 2025