UNITXCHANGE
Metric ↔ Imperial converter
Enter any number of teaspoons to instantly convert to millilitres. Free, fast, no sign-up.
1 US teaspoon = 4.929 ml, rounded to 5 ml in metric recipes and medicine dosing.
| Teaspoons (US) | Millilitres |
|---|---|
| 1 tsp | 4.93 ml |
| 2 tsp | 9.86 ml |
| 3 tsp | 14.79 ml |
| 4 tsp | 19.72 ml |
| 5 tsp | 24.64 ml |
| 6 tsp | 29.57 ml |
| 8 tsp | 39.43 ml |
| 10 tsp | 49.29 ml |
1 US teaspoon is 4.93 ml — metric recipes and medicine labels round it to 5 ml.
For practical purposes yes: a metric teaspoon is exactly 5 ml, a US teaspoon 4.93 ml. Medicine dosing spoons are 5 ml.
10 ml is 2 metric teaspoons (or 2.03 US teaspoons).