0.421 tsp ≈ 2.4921 mL (Imperial; in US teaspoons: 0.421 US tsp = 2.0751 mL). To convert teaspoons to millilitres, multiply by 5.9193877: 0.421 × 5.9193877 = 2.4921.
How to convert teaspoons to millilitres
mL = tsp × 5.9193877
- 1 tsp = 5.9193877 mL (and 1 mL = 0.16893639 tsp).
- Multiply the amount by the factor: 0.421 × 5.9193877 = 2.4921.
- Answer: 0.421 tsp ≈ 2.4921 mL (rounded to 6 significant figures).
Teaspoons to Millilitres table
| Teaspoons (tsp) | Millilitres (mL) |
|---|---|
| 0.416 tsp | 2.4625 mL |
| 0.417 tsp | 2.4684 mL |
| 0.418 tsp | 2.4743 mL |
| 0.419 tsp | 2.4802 mL |
| 0.42 tsp | 2.4861 mL |
| 0.421 tsp | 2.4921 mL |
| 0.422 tsp | 2.498 mL |
| 0.423 tsp | 2.5039 mL |
| 0.424 tsp | 2.5098 mL |
| 0.425 tsp | 2.5157 mL |
| 0.426 tsp | 2.5217 mL |
| tsp | mL |
|---|---|
| 1 tsp | 5.9194 mL |
| 5 tsp | 29.5969 mL |
| 10 tsp | 59.1939 mL |
| 50 tsp | 295.969 mL |
| 100 tsp | 591.939 mL |
| 1,000 tsp | 5,919.39 mL |
Good to know
The tsp here is the Imperial (UK) teaspoon: 1 tsp = 0.00591939 L. A US teaspoon is 0.00492892 L.
In US teaspoons: 0.421 US tsp = 2.0751 mL.