Conversion formula
mL = tsp × 5 (Canada)
mL = tsp × 4.9289 (US)
mL = tsp × 4.9289 (US)
A teaspoon holds 5 mL in Canada and 4.9 mL in the US. It's mostly used for yeast, baking powder, salt, spices and vanilla, ingredients where a small error changes the result. It's also the standard measure for syrups and liquid medicine.
Teaspoons to millilitres chart
| Teaspoons | Canada | US |
|---|---|---|
| ¼ tsp | 1.3 mL | 1.2 mL |
| ½ tsp | 2.5 mL | 2.5 mL |
| 1 tsp | 5 mL | 4.9 mL |
| 1 ½ tsp | 7.5 mL | 7.4 mL |
| 2 tsp | 10 mL | 9.9 mL |
| 3 tsp | 15 mL | 14.8 mL |
| 4 tsp | 20 mL | 19.7 mL |
| 5 tsp | 25 mL | 24.6 mL |
To convert every measure at once, use the cooking measurement converter. For an ingredient in grams, see cups to grams.