Quick answer: 1 Teaspoon in Milliliter
1 tsp equals 4.928922 ml. To convert Teaspoon to Milliliter, multiply by 4.928922 using the free calculator above — no signup needed.
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About Cooking Converter
The Cooking Converter converts between 9 different units, including Cup, Milliliter, Tablespoon, Teaspoon, Fluid Ounce. The base unit is the Cup, and every other unit on this page is defined as an exact multiple of it. Type any value into the calculator above to convert instantly — free, unlimited, no signup and nothing to install.
Common equivalents: 1 Cup = 236.588236 Milliliter, 16 Tablespoon, 48 Teaspoon.
Scale of this category: the smallest unit is the Milliliter (ml) and the largest is the Gallon (gal).
Last updated: 2026-09-15
Cooking conversion factors
| Unit | Symbol | Value in Cup |
|---|---|---|
| Cup | cup | 1 cup = 1 cup |
| Milliliter | ml | 1 ml = 0.00422675 cup |
| Tablespoon | tbsp | 1 tbsp = 0.0625 cup |
| Teaspoon | tsp | 1 tsp = 0.0208333 cup |
| Fluid Ounce | fl oz | 1 fl oz = 0.125 cup |
| Pint | pt | 1 pt = 2 cup |
| Quart | qt | 1 qt = 4 cup |
| Liter | L | 1 L = 4.226753 cup |
| Gallon | gal | 1 gal = 16 cup |
Worked Examples
See exactly how the conversion works with real numbers, step by step.
How much is 1 Teaspoon in Milliliter?
- Multiply 1 by the conversion factor 4.928922
- 1 Teaspoon = 4.928922 Milliliter
How much is 5 Teaspoon in Milliliter?
- Multiply 5 by the conversion factor 4.928922
- 5 Teaspoon = 24.644608 Milliliter
How much is 25 Teaspoon in Milliliter?
- Multiply 25 by the conversion factor 4.928922
- 25 Teaspoon = 123.22304 Milliliter
Quick Conversion Reference Table
| Teaspoon (tsp) | Milliliter (ml) |
|---|---|
| 1 tsp (Teaspoon) | 4.928922 ml (Milliliter) |
| 2 tsp (Teaspoon) | 9.857843 ml (Milliliter) |
| 5 tsp (Teaspoon) | 24.644608 ml (Milliliter) |
| 10 tsp (Teaspoon) | 49.289216 ml (Milliliter) |
| 20 tsp (Teaspoon) | 98.578432 ml (Milliliter) |
| 50 tsp (Teaspoon) | 246.44608 ml (Milliliter) |
| 100 tsp (Teaspoon) | 492.892159 ml (Milliliter) |
| 500 tsp (Teaspoon) | 2464.46 ml (Milliliter) |
| 1000 tsp (Teaspoon) | 4928.92 ml (Milliliter) |
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FAQ
How much is 1 Teaspoon in Milliliter?
1 Teaspoon = 4.928922 Milliliter.
How do I convert Teaspoon to Milliliter?
Enter your value in Teaspoon into the converter above and the result in Milliliter appears instantly. 1 tsp equals 4.928922 ml — just multiply your value by 4.928922.
What is the formula for Teaspoon to Milliliter?
The formula is: value in Milliliter = value in Teaspoon × 4.928922. For example, 5 tsp × 4.928922 = 24.644608 ml.
Is this Teaspoon to Milliliter converter free and accurate?
Yes. This Teaspoon to Milliliter converter is 100% free, uses the exact international conversion factor (4.928922), and works on any device with no signup.
How do I convert Milliliter back to Teaspoon?
To convert back, divide by 4.928922 (or multiply by 0.202884). You can also use our dedicated How Many Teaspoon in 1 Milliliter? page for instant results.
Do I need to download an app or sign up?
No. The converter runs entirely in your browser — nothing to install, no account, no fees. It even keeps working offline once the page has loaded.
Which Cooking units are supported?
This converter supports 9 units: Cup, Milliliter, Tablespoon, Teaspoon, Fluid Ounce, Pint, Quart, Liter, Gallon.