18.4 tsp ≈ 108.917 mL (Imperial; in US teaspoons: 18.4 US tsp = 90.6922 mL). To convert teaspoons to millilitres, multiply by 5.9193877: 18.4 × 5.9193877 = 108.917.
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: 18.4 × 5.9193877 = 108.917.
- Answer: 18.4 tsp ≈ 108.917 mL (rounded to 6 significant figures).
Teaspoons to Millilitres table
| Teaspoons (tsp) | Millilitres (mL) |
|---|---|
| 17.9 tsp | 105.957 mL |
| 18 tsp | 106.549 mL |
| 18.1 tsp | 107.141 mL |
| 18.2 tsp | 107.733 mL |
| 18.3 tsp | 108.325 mL |
| 18.4 tsp | 108.917 mL |
| 18.5 tsp | 109.509 mL |
| 18.6 tsp | 110.101 mL |
| 18.7 tsp | 110.693 mL |
| 18.8 tsp | 111.284 mL |
| 18.9 tsp | 111.876 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: 18.4 US tsp = 90.6922 mL.