Convert Teaspoons to Milliliters
4 tsp = 19.7157 mL
mL = tsp × 4.9289Convert teaspoons to milliliters instantly — type in either box and it works both ways.
How to convert teaspoons to milliliters
To convert teaspoons to milliliters, multiply the number of teaspoons by 4.9289.
mL = tsp × 4.9289
Example: convert 4 tsp to mL
- 4 × 4.9289 = 19.7157
- 4 tsp = 19.7157 mL
1 tsp = 4.9289 mL and 1 mL = 0.202884 tsp.
Teaspoons to Milliliters conversion chart
| Teaspoons (tsp) | Milliliters (mL) |
|---|---|
| 0.25 tsp | 1.2322 mL |
| 0.5 tsp | 2.4645 mL |
| 1 tsp | 4.9289 mL |
| 2 tsp | 9.8578 mL |
| 3 tsp | 14.7868 mL |
| 4 tsp | 19.7157 mL |
| 5 tsp | 24.6446 mL |
| 10 tsp | 49.2892 mL |
| 20 tsp | 98.5784 mL |
| 50 tsp | 246.4461 mL |
| 100 tsp | 492.8922 mL |
Frequently asked questions
How do you convert teaspoons to milliliters?
To convert teaspoons to milliliters, multiply the number of teaspoons by 4.9289. The formula is mL = tsp × 4.9289.
How many milliliters are in one teaspoon?
1 tsp = 4.9289 mL.
How do I convert milliliters back to teaspoons?
Use the reverse formula: tsp = mL × 0.202884. For example 1 mL = 0.202884 tsp.
Is this converter free and accurate?
Yes. It is free, uses exact internationally defined conversion factors, and runs in your browser — nothing you type is sent anywhere.
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