Millilitres to Teaspoons (ml to tsp)
1 ml = 0.2028841 tsp. Multiply millilitres by 0.2028841; the box below does it both ways.
teaspoons
5 ml = 1.0144 tsp · teaspoons to millilitres page
How to convert millilitres to teaspoons
- Take the value in millilitres.
- Multiply by 0.2028841 (because 1 ml = 0.2028841 tsp).
- Example: 5 ml × 0.2028841 = 1.0144 tsp.
- Going back: divide by 0.2028841, or multiply by 4.928922.
Where this comes up
Divide by 4.929 (US) or 5 (metric). 10 ml is about 2 tsp; 15 ml is 3 tsp, which is one tablespoon.
| ml | tsp |
|---|---|
| 1 | 0.20288 |
| 2 | 0.40577 |
| 2.5 | 0.50721 |
| 5 | 1.0144 |
| 7.5 | 1.5216 |
| 10 | 2.0288 |
| 15 | 3.0433 |
| 20 | 4.0577 |
| 25 | 5.0721 |
| 30 | 6.0865 |
| 50 | 10.1442 |
| 100 | 20.2884 |
Questions people ask
How many teaspoons are in 1 millilitre?
1 ml = 0.2028841 tsp. To convert, multiply the millilitre value by 0.2028841.
What is 15 ml in tsp?
15 ml is 3.0433 tsp.
How do I convert teaspoons back to millilitres?
Divide by 0.2028841, or multiply by 4.928922: 1 tsp = 4.928922 ml.
More volume conversions
Teaspoons to Millilitres (tsp to ml) · ml to fl oz · fl oz to ml · L to gal · gal to L · tbsp to ml · all converters
Factors are the exact international definitions; last checked 2026-10-10.