Tablespoon (US) to Teaspoon (US) Converter
Unit Converter
Instant · Precise · Universal
47 units available
6 categories total
How to Convert Tablespoon (US) to Teaspoon (US)
To mL: multiply by 14.787. To teaspoons (US): multiply by 3. To cups (US): divide by 16.
1 US tbsp = 3 US tsp = 1/2 US fl oz = 1/16 US cup ≈ 14.787 mL.
For example, 1 Tablespoon (US) (tbsp (US)) = 3.000000006 Teaspoon (US) (tsp (US)).
Tablespoon (US) to Teaspoon (US) — Common Values
| Tablespoon (US) (tbsp (US)) | Teaspoon (US) (tsp (US)) |
|---|---|
| 0.1 | 0.3000000006 |
| 0.5 | 1.500000003 |
| 1 | 3.000000006 |
| 2 | 6.000000012 |
| 5 | 15.00000003 |
| 10 | 30.00000006 |
| 25 | 75.00000015 |
| 50 | 150.0000003 |
| 100 | 300.0000006 |
| 500 | 1500.000003 |
| 1000 | 3000.000006 |
About Tablespoon (US) (tbsp (US))
Definition
The US tablespoon is a unit of culinary volume equal to 3 US teaspoons, or approximately 14.787 milliliters.
Mathematical Relationship
1 US tbsp = 3 US tsp = 1/2 US fl oz = 1/16 US cup ≈ 14.787 mL.
Conversion Formula
To mL: multiply by 14.787. To teaspoons (US): multiply by 3. To cups (US): divide by 16.
Practical Applications
Measuring butter, oil, vinegar, and sauces in cooking. Common unit for salad dressing servings and medication doses.
Interesting Facts
A tablespoon of honey weighs about 21 grams, while a tablespoon of water weighs about 14.8 grams — density matters!
Common Mistakes
Confusing with the metric tablespoon (15 mL vs. 14.79 mL). Also, leveling vs. heaping tablespoons in baking.
Educational Tips
2 tbsp = 1 fl oz (US). 16 tbsp = 1 cup. For quick metric conversion, 1 tbsp ≈ 15 mL (close enough for cooking).
About Teaspoon (US) (tsp (US))
Definition
The US teaspoon is a unit of culinary volume equal to 1/3 of a US tablespoon, or approximately 4.929 milliliters.
Mathematical Relationship
1 US tsp = 1/3 US tbsp = 1/6 US fl oz = 1/48 US cup ≈ 4.929 mL.
Conversion Formula
To mL: multiply by 4.929. To UK teaspoons: multiply by 0.832674. To tablespoons (US): divide by 3.
Practical Applications
Cooking and baking recipes, measuring medicine doses, adding spices, sugar or salt, and child medication dosing.
Interesting Facts
The US teaspoon is slightly smaller than the metric teaspoon (5 mL). The phrase 'a teaspoon of sugar' equals about 4 grams.
Common Mistakes
Using a regular eating spoon instead of a measuring teaspoon — actual teaspoons vary widely. Always use a calibrated spoon.
Educational Tips
3 tsp = 1 tbsp. 48 tsp = 1 cup. For mL conversion, remember 1 tsp ≈ 5 mL (the metric teaspoon is exactly 5 mL).