Convert Teaspoons to milliliters
1 teaspoon = 4.9289 milliliters · mL = tsp × 4.928921594
When you need this conversion
This conversion goes from teaspoons, a standard cooking and dosing measure of about 5 milliliters, to milliliters, used for beverages, medication, and recipe liquids. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Teaspoons to milliliters conversion table
| Teaspoons (tsp) | Milliliters (mL) |
|---|---|
| 1 tsp | 4.9289 mL |
| 2 tsp | 9.8578 mL |
| 3 tsp | 14.7868 mL |
| 5 tsp | 24.6446 mL |
| 10 tsp | 49.2892 mL |
| 15 tsp | 73.9338 mL |
| 20 tsp | 98.5784 mL |
| 25 tsp | 123.22 mL |
| 50 tsp | 246.45 mL |
| 75 tsp | 369.67 mL |
| 100 tsp | 492.89 mL |
| 250 tsp | 1,232.23 mL |
| 500 tsp | 2,464.46 mL |
| 1,000 tsp | 4,928.92 mL |
The formula
mL = tsp × 4.928921594Because both units measure volume, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Milliliters to teaspoons →Related volume conversions
- US cups to milliliters
- US fluid ounces to milliliters
- Milliliters to US cups
- Milliliters to US fluid ounces
- Liters to cubic meters
- Liters to US gallons
- Cubic meters to liters
- Cubic meters to cubic feet
- Cubic feet to cubic meters
- US gallons to liters
- Liters to milliliters
- Cubic meters to milliliters
Frequently asked questions
- How many milliliters are in a teaspoon?
- There are 4.9289 milliliters in 1 teaspoon. The formula is mL = tsp × 4.928921594.
- How do you convert teaspoons to milliliters?
- Use the formula mL = tsp × 4.928921594. For example, 10 teaspoons equals 49.2892 milliliters.
- Is the teaspoons to milliliters conversion exact?
- Yes. Teaspoons and milliliters are both units of volume, related by an exact defined factor. Displayed results are rounded for readability.
- What is tsp short for?
- tsp is the standard symbol for teaspoon. mL is the symbol for milliliter.