20.5 mL ≈ 3.4632 tsp (Imperial; in US teaspoons: 20.5 mL = 4.1591 US tsp). To convert millilitres to teaspoons, multiply by 0.16893639: 20.5 × 0.16893639 = 3.4632.
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: 20.5 × 0.16893639 = 3.4632.
- Answer: 20.5 mL ≈ 3.4632 tsp (rounded to 6 significant figures).
Millilitres to Teaspoons table
| Millilitres (mL) | Teaspoons (tsp) |
|---|---|
| 20 mL | 3.3787 tsp |
| 20.1 mL | 3.3956 tsp |
| 20.2 mL | 3.4125 tsp |
| 20.3 mL | 3.4294 tsp |
| 20.4 mL | 3.4463 tsp |
| 20.5 mL | 3.4632 tsp |
| 20.6 mL | 3.4801 tsp |
| 20.7 mL | 3.497 tsp |
| 20.8 mL | 3.5139 tsp |
| 20.9 mL | 3.5308 tsp |
| 21 mL | 3.5477 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: 20.5 mL = 4.1591 US tsp.