Convert millilitres to teaspoons
Enter a value in millilitres (ml) to get teaspoons (tsp). One millilitre is 0.202884 teaspoons; one teaspoon (US) is 4.9289 millilitres.
How to use the Millilitre to teaspoon (US)
- Type the number of millilitres.
- Click Convert.
- Read the result in teaspoons, plus the same value in every other volume unit.
ml to tsp formula
teaspoons = millilitres × 0.202884. To go the other way, millilitres = teaspoons × 4.9289 (see teaspoons to millilitres).
Worked example
12 ml × 0.202884 = 2.4346 tsp.
Millilitres to teaspoons conversion table
| Millilitres | Teaspoons |
|---|---|
| 0.1 ml | 0.020288 tsp |
| 0.5 ml | 0.101442 tsp |
| 1 ml | 0.202884 tsp |
| 2 ml | 0.405768 tsp |
| 3 ml | 0.608652 tsp |
| 5 ml | 1.0144 tsp |
| 10 ml | 2.0288 tsp |
| 20 ml | 4.0577 tsp |
| 25 ml | 5.0721 tsp |
| 50 ml | 10.1442 tsp |
| 100 ml | 20.2884 tsp |
| 250 ml | 50.721 tsp |
| 500 ml | 101.4421 tsp |
| 1,000 ml | 202.8841 tsp |
About the millilitre
One cubic centimetre. Drinks, medicine and recipes in the metric world.
About the teaspoon (US)
Exactly 4.92892 ml in US recipes (5 ml in metric recipes).
Related conversions
teaspoons to millilitres · millilitres to litres · millilitres to tablespoons · millilitres to US fluid ounces · millilitres to UK fluid ounces · any unit.
Frequently asked questions
How many teaspoons in a millilitre?
0.202884 teaspoons.
How many millilitres in a teaspoon (US)?
4.9289 millilitres.
Is the factor exact?
The factor 0.202884 is derived from the units' exact definitions; only the display is rounded.
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Last updated 2026-09-23.