21 mL ≈ 0.0739097 cup (Imperial; in US cups: 21 mL = 0.0887618 US cup). To convert millilitres to cups, multiply by 0.0035195099: 21 × 0.0035195099 = 0.0739097.
How to convert millilitres to cups
cup = mL × 0.0035195099
- 1 mL = 0.0035195099 cup (and 1 cup = 284.13047 mL).
- Multiply the amount by the factor: 21 × 0.0035195099 = 0.0739097.
- Answer: 21 mL ≈ 0.0739097 cup (rounded to 6 significant figures).
Millilitres to Cups table
| Millilitres (mL) | Cups (cup) |
|---|---|
| 16 mL | 0.0563122 cup |
| 17 mL | 0.0598317 cup |
| 18 mL | 0.0633512 cup |
| 19 mL | 0.0668707 cup |
| 20 mL | 0.0703902 cup |
| 21 mL | 0.0739097 cup |
| 22 mL | 0.0774292 cup |
| 23 mL | 0.0809487 cup |
| 24 mL | 0.0844682 cup |
| 25 mL | 0.0879877 cup |
| 26 mL | 0.0915073 cup |
| mL | cup |
|---|---|
| 1 mL | 0.00351951 cup |
| 5 mL | 0.0175975 cup |
| 10 mL | 0.0351951 cup |
| 50 mL | 0.175975 cup |
| 100 mL | 0.351951 cup |
| 1,000 mL | 3.5195 cup |
Good to know
The cup here is the Imperial (UK) cup: 1 cup = 0.28413 L. A US cup is 0.236588 L.
In US cups: 21 mL = 0.0887618 US cup.