3 Teaspoon (US) to Milliliter
Quick answer
3 Teaspoon (US) (tsp) equals
14.786765 mL
To convert 3 Teaspoon (US)s to Milliliters, multiply by 4.9289215938. Therefore, 3 Teaspoon (US) (tsp) equals 14.786765 Milliliter (mL).
Formula: mL = tsp × 4.9289215938. Calculation: 3 × 4.9289215938 = 14.786765 mL.
Convert Teaspoon (US) (tsp) to Milliliter (mL) online with our free unit converter. In volume, 1 tsp = 4.928922 mL. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Teaspoon (US) to Milliliter
- Step 1 — start with the formula. mL = tsp × 4.9289215938
- Step 2 — substitute your figure. 3 tsp × 4.9289215938
- Step 3 — read the result. 3 tsp = 14.786765 mL
- Step 4 — check it in reverse. tsp = mL × 0.2028841362 returns 3 tsp, which matches the figure you started with.
Volume Converter
40 units available
3 tsp = 14.786765 mL
Formula:
mL = tsp × 4.9289215938With your value: 3 tsp = 14.78676478 mL
How big is that?
Everyday references on a logarithmic scale, all expressed in teaspoon (us) so you can sanity-check the result.
Other Teaspoon (US) to Milliliter conversions
Teaspoon (US) to Milliliter Conversion Table
| Teaspoon (US) (tsp) | Milliliter (mL) |
|---|---|
| 0.5 | 2.464461 |
| 1 | 4.928922 |
| 2 | 9.857843 |
| 5 | 24.644608 |
| 10 | 49.289216 |
| 15 | 73.933824 |
| 20 | 98.578432 |
| 25 | 123.22304 |
| 50 | 246.44608 |
| 100 | 492.892159 |
| 250 | 1,232.230398 |
| 500 | 2,464.460797 |
| 1000 | 4,928.921594 |
Milliliter to Teaspoon (US) Conversion Table
| Milliliter (mL) | Teaspoon (US) (tsp) |
|---|---|
| 0.5 | 0.101442 |
| 1 | 0.202884 |
| 2 | 0.405768 |
| 5 | 1.014421 |
| 10 | 2.028841 |
| 15 | 3.043262 |
| 20 | 4.057683 |
| 25 | 5.072103 |
| 50 | 10.144207 |
| 100 | 20.288414 |
| 250 | 50.721034 |
| 500 | 101.442068 |
| 1000 | 202.884136 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Teaspoon (US) (tsp)
Volume
Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Milliliter (mL)
Volume
Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Standards and context behind Teaspoon (US) to Milliliter
- Medical dosing
- Health agencies discourage kitchen spoons for medicine because real spoons vary from about 3 to 7 mL against the nominal 4.93 mL.
How to Convert Teaspoon (US) to Milliliter
To convert from Teaspoon (US) (tsp) to Milliliter (mL), multiply the value by 4.9289215938.
Formula: mL = tsp × 4.9289215938
Reverse: tsp = mL × 0.2028841362
Step-by-Step Example
- Start with your value in Teaspoon (US). For example: 5 tsp
- Multiply by the conversion factor: 5 x 4.9289215938
- The result is: 24.644608 mL
Teaspoon (US) and Milliliter Relationship
This conversion bridges the US Customary / Imperial and Metric (SI) measurement systems, commonly required when translating scientific data, international engineering specifications, or trade standards. Since 1 Teaspoon (US) equals approximately 4.9289 Milliliters, the Teaspoon (US) represents a larger unit interval than the Milliliter. Understanding the relationship between Teaspoon (US) and Milliliter is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Teaspoon (US)
The US teaspoon equals approximately 4.93 mL. It is one of the most common cooking measurements.
Common uses of Teaspoon (US): cooking, medicine dosage, baking.
About Milliliter
The milliliter equals one thousandth of a liter and is used for small liquid measurements.
Common uses of Milliliter: medicine dosage, cooking, chemistry.
Frequently Asked Questions
- What is 3 Teaspoon (US) in Milliliter?
- 3 Teaspoon (US) equals 14.786765 Milliliter.
- How many Milliliters are in 1 Teaspoon (US)?
- There are exactly 4.9289215938 Milliliters in 1 Teaspoon (US). This means the conversion factor from Teaspoon (US) to Milliliter is 4.9289215938.
- What is the formula to convert Teaspoon (US) to Milliliter?
- The formula to convert Teaspoon (US) to Milliliter is: mL = tsp × 4.9289215938. For example, to convert 10 Teaspoon (US)s to Milliliters, you would multiply 10 by 4.9289215938.
- What is a Teaspoon (US)?
- The US teaspoon equals approximately 4.93 mL. It is one of the most common cooking measurements.
- What is a Milliliter?
- The milliliter equals one thousandth of a liter and is used for small liquid measurements.
- What are the common uses of Teaspoon (US)?
- The Teaspoon (US) is commonly used in cooking, medicine dosage, baking.
- How many mL in a teaspoon of medicine?
- A US teaspoon is 4.92892 mL, and medicine labels typically round it to 5 mL. Use a dosing syringe rather than a kitchen spoon.
Related Volume Conversions
Cite this page
UnitConvertLab. (2026). 3 Teaspoon (US) to Milliliter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/3-teaspoon_us-to-milliliter