421 mL ≈ 71.1222 tsp (Imperial; in US teaspoons: 421 mL = 85.4142 US tsp). To convert millilitres to teaspoons, multiply by 0.16893639: 421 × 0.16893639 = 71.1222.
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: 421 × 0.16893639 = 71.1222.
- Answer: 421 mL ≈ 71.1222 tsp (rounded to 6 significant figures).
Millilitres to Teaspoons table
| Millilitres (mL) | Teaspoons (tsp) |
|---|---|
| 416 mL | 70.2775 tsp |
| 417 mL | 70.4465 tsp |
| 418 mL | 70.6154 tsp |
| 419 mL | 70.7843 tsp |
| 420 mL | 70.9533 tsp |
| 421 mL | 71.1222 tsp |
| 422 mL | 71.2912 tsp |
| 423 mL | 71.4601 tsp |
| 424 mL | 71.629 tsp |
| 425 mL | 71.798 tsp |
| 426 mL | 71.9669 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: 421 mL = 85.4142 US tsp.