3.4 tsp ≈ 20.1259 mL (Imperial; in US teaspoons: 3.4 US tsp = 16.7583 mL). To convert teaspoons to millilitres, multiply by 5.9193877: 3.4 × 5.9193877 = 20.1259.
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: 3.4 × 5.9193877 = 20.1259.
- Answer: 3.4 tsp ≈ 20.1259 mL (rounded to 6 significant figures).
Teaspoons to Millilitres table
| Teaspoons (tsp) | Millilitres (mL) |
|---|---|
| 2.9 tsp | 17.1662 mL |
| 3 tsp | 17.7582 mL |
| 3.1 tsp | 18.3501 mL |
| 3.2 tsp | 18.942 mL |
| 3.3 tsp | 19.534 mL |
| 3.4 tsp | 20.1259 mL |
| 3.5 tsp | 20.7179 mL |
| 3.6 tsp | 21.3098 mL |
| 3.7 tsp | 21.9017 mL |
| 3.8 tsp | 22.4937 mL |
| 3.9 tsp | 23.0856 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: 3.4 US tsp = 16.7583 mL.