Tablespoons to Teaspoons Converter
Convert US tablespoons (tbsp) to US teaspoons (tsp)
Tablespoon (US)
Definition: The US tablespoon (symbol: tbsp or T) is a unit of volume used primarily in cooking and baking. One US tablespoon equals exactly 14.7868 milliliters, or ½ fluid ounce. There are 3 teaspoons in 1 tablespoon, and 16 tablespoons in 1 cup.
History/origin: The tablespoon as a measurement evolved from the actual spoon used at dining tables. It was standardized in the United States as exactly ½ fluid ounce (14.7868 mL) to create consistency in recipes. The tablespoon is one of the most commonly used measurements in American cooking, sitting between the teaspoon (smaller) and the cup (larger) in the hierarchy of volume measurements.
Current use: The US tablespoon is ubiquitous in American cooking and baking recipes. It's used for measuring both liquid and dry ingredients like oil, butter, sugar, spices, and flour. The tablespoon is particularly useful for medium-sized portions that are too large for teaspoons but too small for cups. Converting tablespoons to teaspoons is essential when you need smaller measurements or when recipes require precise small quantities.
Teaspoon (US)
Definition: The US teaspoon (symbol: tsp or t) is a unit of volume used primarily in cooking and baking. One US teaspoon equals exactly 4.92892 milliliters, or ⅙ fluid ounce. There are 3 teaspoons in 1 tablespoon, and 48 teaspoons in 1 cup.
History/origin: The teaspoon as a measurement evolved from the actual spoon used for stirring tea. It was standardized in the United States as exactly ⅙ fluid ounce (4.92892 mL) to create consistency in recipes. The teaspoon is one of the most commonly used measurements in American cooking, particularly for small quantities of ingredients like spices, extracts, baking powder, and salt.
Current use: The US teaspoon is ubiquitous in American cooking and baking recipes. It's the standard measurement for small quantities of both liquid and dry ingredients like vanilla extract, salt, pepper, spices, baking powder, and baking soda. The teaspoon is also commonly used in medicine for dosing liquid medications. Converting tablespoons to teaspoons is essential for recipe precision, especially when dealing with concentrated ingredients where small amounts matter.
Tablespoons to Teaspoons Conversion Table
| Tablespoons [tbsp] | Teaspoons [tsp] |
|---|---|
| 0.5 tbsp | 1.5 tsp |
| 1 tbsp | 3 tsp |
| 1.5 tbsp | 4.5 tsp |
| 2 tbsp | 6 tsp |
| 3 tbsp | 9 tsp |
| 4 tbsp | 12 tsp |
| 5 tbsp | 15 tsp |
| 8 tbsp | 24 tsp |
| 10 tbsp | 30 tsp |
| 16 tbsp | 48 tsp |
How to Convert Tablespoons to Teaspoons
Formula:
1 tbsp = 3 tsp (exact)
1 tsp = 0.333... tbsp (⅓ tbsp)
tsp = tbsp × 3
Quick Mental Math:
Multiply tbsp by 3 to get teaspoons
This is one of the easiest conversions - just triple the number!
Common Conversions:
½ tbsp = 1.5 tsp
1 tbsp = 3 tsp
1½ tbsp = 4.5 tsp
2 tbsp = 6 tsp
3 tbsp = 9 tsp
4 tbsp = 12 tsp (¼ cup)
Useful Relationships:
1 tablespoon = 3 tsp = ½ fl oz = 14.787 mL
1 cup = 16 tbsp = 48 tsp = 8 fl oz
1 teaspoon = ⅓ tbsp = ⅙ fl oz = 4.929 mL
¼ cup = 4 tbsp = 12 tsp
Examples:
Convert 1 tablespoon to teaspoons:
1 tbsp × 3 = 3 tsp
This is exactly 3 teaspoons (very common measurement)
Convert 2 tablespoons to teaspoons:
2 tbsp × 3 = 6 tsp
This is exactly 6 teaspoons (1 fluid ounce)
Convert 0.5 tablespoons to teaspoons:
0.5 tbsp × 3 = 1.5 tsp
This is 1½ teaspoons (half a tablespoon)
Convert 4 tablespoons to teaspoons:
4 tbsp × 3 = 12 tsp
This is 12 teaspoons (¼ cup)
Convert 1.5 tablespoons to teaspoons:
1.5 tbsp × 3 = 4.5 tsp
This is 4½ teaspoons