2.1 mL ≈ 0.354766 tsp (Imperial; in US teaspoons: 2.1 mL = 0.426057 US tsp). To convert millilitres to teaspoons, multiply by 0.16893639: 2.1 × 0.16893639 = 0.354766.
How to convert millilitres to teaspoons
tsp = mL × 0.16893639
- 1 mL = 0.16893639 tsp (and 1 tsp = 5.9193877 mL).
- Multiply the amount by the factor: 2.1 × 0.16893639 = 0.354766.
- Answer: 2.1 mL ≈ 0.354766 tsp (rounded to 6 significant figures).
Millilitres to Teaspoons table
| Millilitres (mL) | Teaspoons (tsp) |
|---|---|
| 1.6 mL | 0.270298 tsp |
| 1.7 mL | 0.287192 tsp |
| 1.8 mL | 0.304086 tsp |
| 1.9 mL | 0.320979 tsp |
| 2 mL | 0.337873 tsp |
| 2.1 mL | 0.354766 tsp |
| 2.2 mL | 0.37166 tsp |
| 2.3 mL | 0.388554 tsp |
| 2.4 mL | 0.405447 tsp |
| 2.5 mL | 0.422341 tsp |
| 2.6 mL | 0.439235 tsp |
| mL | tsp |
|---|---|
| 1 mL | 0.168936 tsp |
| 5 mL | 0.844682 tsp |
| 10 mL | 1.6894 tsp |
| 50 mL | 8.4468 tsp |
| 100 mL | 16.8936 tsp |
| 1,000 mL | 168.936 tsp |
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: 2.1 mL = 0.426057 US tsp.