Tablespoon to Teaspoon Converter
Enter the value that you want to convert tablespoon (tbsp) to teaspoon (tsp) or teaspoon to tablespoon.Also written as TBSP to TSP conversion.
1 tablespoon = 3.0000000 teaspoon
Formula: teaspoon = tablespoon value × 3.0000000
TBSP to TSP — tablespoon to teaspoon
10 tablespoon = 30.00000 teaspoon
Popular Volume Converters:
Tablespoon to Teaspoon: The Essentials
The Tablespoon Explained
Tablespoon (tbsp) is a unit of volume measurement. 1 tablespoon is equal to 3.0000000 teaspoon.
Understanding the Teaspoon
Teaspoon (tsp) is a unit of volume measurement. 1 teaspoon is equal to 0.3333333 tablespoon.
Volume Measurement Systems
Volume units are particularly confusing because the US and UK gallons differ (US gallon = 3.785 L, UK gallon = 4.546 L), as do their pints, cups, and fluid ounces. Cooking, fuel economy, beverage production, and pharmaceutical compounding all require precise volume conversions. Laboratory work uses milliliters and liters while US recipes specify cups, tablespoons, and fluid ounces.
tablespoon to teaspoon metric conversion table
| 0.01 tbsp | = | 0.03000 tsp |
| 0.1 tbsp | = | 0.30000 tsp |
| 1 tbsp | = | 3.00000 tsp |
| 2 tbsp | = | 6.00000 tsp |
| 3 tbsp | = | 9.00000 tsp |
| 4 tbsp | = | 12.00000 tsp |
| 5 tbsp | = | 15.00000 tsp |
| 6 tbsp | = | 18.00000 tsp |
| 7 tbsp | = | 21.00000 tsp |
| 8 tbsp | = | 24.00000 tsp |
| 9 tbsp | = | 27.00000 tsp |
| 10 tbsp | = | 30.00000 tsp |
| 11 tbsp | = | 33.00000 tsp |
| 12 tbsp | = | 36.00000 tsp |
| 13 tbsp | = | 39.00000 tsp |
| 14 tbsp | = | 42.00000 tsp |
| 15 tbsp | = | 45.00000 tsp |
| 16 tbsp | = | 48.00000 tsp |
| 17 tbsp | = | 51.00000 tsp |
| 18 tbsp | = | 54.00000 tsp |
| 19 tbsp | = | 57.00000 tsp |
| 20 tbsp | = | 60.00000 tsp |
| 30 tbsp | = | 90.00000 tsp |
| 40 tbsp | = | 120.00000 tsp |
| 50 tbsp | = | 150.00000 tsp |
| 60 tbsp | = | 180.00000 tsp |
| 70 tbsp | = | 210.00000 tsp |
| 80 tbsp | = | 240.00000 tsp |
| 90 tbsp | = | 270.00000 tsp |
| 100 tbsp | = | 300.00000 tsp |
| 200 tbsp | = | 600.00000 tsp |
| 300 tbsp | = | 900.00000 tsp |
| 400 tbsp | = | 1200.00000 tsp |
| 500 tbsp | = | 1500.00000 tsp |
| 600 tbsp | = | 1800.00000 tsp |
| 700 tbsp | = | 2100.00000 tsp |
| 800 tbsp | = | 2400.00000 tsp |
| 900 tbsp | = | 2700.00000 tsp |
| 1000 tbsp | = | 3000.00000 tsp |
How to Convert TBSP to TSP (Tablespoon to Teaspoon)?
We can convert tablespoon to teaspoon by using an example.
Example:
Convert 20 Tablespoon to Teaspoon?
We know 1 Tablespoon = 3.0000000 teaspoon; 1 Teaspoon = 0.3333333 tablespoon.
20 tablespoon = ___tsp
20 × 3.0000000 = 60.00000 tsp (we know 1 tablespoon = 3.0000000 teaspoon)
Answer:
20 tablespoon = 60.00000 teaspoon
How to Convert Tablespoons to Teaspoons (Step-by-Step)
There are exactly 3 teaspoons in 1 tablespoon. This is perhaps the most frequently needed kitchen conversion, used dozens of times during baking for leavening agents, spices, extracts, and small liquid measurements. The relationship is exact and universal across all US recipe sources.
- Write down the number of tablespoons.
- Multiply by 3 to get teaspoons.
- The result is the equivalent in teaspoons.
- For reverse: divide teaspoons by 3 to get tablespoons.
Tablespoons to Teaspoons Conversion Chart
Complete reference for tablespoon-to-teaspoon conversions, especially useful when halving or thirding recipes:
| Tablespoon | Teaspoon |
|---|---|
| ¼ tbsp | ¾ tsp |
| ½ tbsp | 1½ tsp |
| ¾ tbsp | 2¼ tsp |
| 1 tbsp | 3 tsp |
| 1½ tbsp | 4½ tsp |
| 2 tbsp | 6 tsp |
| 3 tbsp | 9 tsp |
| 4 tbsp | 12 tsp |
Solved Examples: Tablespoons to Teaspoons
Question 1: A cookie recipe calls for 1½ tablespoons of baking powder. Express in teaspoons.
Solution:
Teaspoons = tablespoons × 3
= 1.5 × 3
= 4.5 teaspoons
Answer: 1½ tablespoons = 4½ teaspoons of baking powder.
Question 2: You are halving a recipe that calls for 1 tablespoon of vanilla. How many teaspoons?
Solution:
Half of 1 tablespoon = ½ tablespoon
Teaspoons = 0.5 × 3 = 1.5 teaspoons
Answer: Half a tablespoon = 1½ teaspoons.
Question 3: A spice blend recipe needs 2⅔ tablespoons of paprika. Convert to teaspoons.
Solution:
Teaspoons = 2.667 × 3
= 8 teaspoons
Answer: 2⅔ tablespoons = 8 teaspoons.
Question 4: Convert 5 tablespoons of sugar to teaspoons.
Solution:
Teaspoons = 5 × 3
= 15 teaspoons
Answer: 5 tablespoons = 15 teaspoons.
Practice Questions
Try solving these on your own to test your understanding:
- How many teaspoons in 4 tablespoons? (Answer: 12 tsp = ¼ cup)
- Convert 2½ tablespoons to teaspoons. (Answer: 7½ tsp)
- A recipe says ⅔ tablespoon of salt. How many teaspoons? (Answer: 2 tsp)
- How many teaspoons in 10 tablespoons? (Answer: 30 tsp)
- Convert ¾ tablespoon of cinnamon to teaspoons. (Answer: 2¼ tsp)
Baking Leaveners: Why Teaspoon Precision Matters
Baking powder and baking soda are the most measurement-sensitive ingredients in baking. Too much baking soda (bitter, soapy taste) or too little baking powder (flat, dense texture) ruins recipes. Standard amounts: 1 tsp baking powder per cup of flour for cakes, ¼ tsp baking soda per cup of flour with acidic ingredients. When a recipe says "1 tablespoon baking powder," that is 3 teaspoons — and using 4 teaspoons (just 1 extra) can cause your cake to rise too fast and collapse.
Halving and Thirding Recipes: The Teaspoon Advantage
When halving a recipe, tablespoon amounts become awkward fractions easily solved by converting to teaspoons first: half of 1 tbsp = 1½ tsp, half of 2 tbsp = 3 tsp (= 1 tbsp), half of ½ tbsp = ¾ tsp. For thirding: ⅓ of 1 tbsp = 1 tsp (exact!), ⅓ of 2 tbsp = 2 tsp, ⅓ of 3 tbsp = 3 tsp = 1 tbsp. This 3:1 ratio makes recipe math clean.
Measuring Spoon Sets: What Should You Own?
A complete measuring spoon set should include: ¼ tsp, ½ tsp, 1 tsp, ½ tbsp (1½ tsp), and 1 tbsp. Some sets add ⅛ tsp ("a pinch") and ¾ tsp. With these 5-7 spoons, you can measure any fractional tablespoon by converting to teaspoons first. For accuracy, always level dry ingredients with a straight edge and never pack them (except brown sugar, which is always packed by convention).
Key Takeaways
- 1 tablespoon = 3 teaspoons exactly.
- To halve a tablespoon: ½ tbsp = 1½ tsp.
- To third a tablespoon: ⅓ tbsp = 1 tsp (exact and convenient).
- 4 tablespoons = 12 teaspoons = ¼ cup.
- Precision matters most for leaveners (baking powder/soda) and salt.
- 1 tablespoon = 14.787 mL ≈ 15 mL; 1 teaspoon = 4.929 mL ≈ 5 mL.
Tablespoon to Teaspoon Conversion Formula
teaspoon = tablespoon × 3.0000000
1 tablespoon = 3.0000000 teaspoon
1 teaspoon = 0.3333333 tablespoon
Reverse: tablespoon = teaspoon × 0.3333333
Frequently Asked Questions
How many teaspoon are in 1 tablespoon?
There are 3.0000000 teaspoon in 1 tablespoon. To convert tablespoon to teaspoon, multiply the value by 3.0000000.
How do I convert tablespoon to teaspoon?
Multiply your tablespoon value by 3.0000000 to get the equivalent in teaspoon. For example, 5 tablespoon = 5 × 3.0000000 = 15.00000 teaspoon.
How do I convert teaspoon to tablespoon?
Multiply your teaspoon value by 0.3333333 to get the equivalent in tablespoon. Alternatively, divide by 3.0000000.
What is 10 tablespoon in teaspoon?
10 tablespoon is equal to 30.00000 teaspoon.
What is 100 tablespoon in teaspoon?
100 tablespoon is equal to 300.00000 teaspoon.