4.2 mL ≈ 0.142019 fl oz. To convert millilitres to fluid ounces, multiply by 0.033814057: 4.2 × 0.033814057 = 0.142019.
How to convert millilitres to fluid ounces
fl oz = mL × 0.033814057
- 1 mL = 0.033814057 fl oz (and 1 fl oz = 29.5735 mL).
- Multiply the amount by the factor: 4.2 × 0.033814057 = 0.142019.
- Answer: 4.2 mL ≈ 0.142019 fl oz (rounded to 6 significant figures).
Millilitres to Fluid Ounces table
| Millilitres (mL) | Fluid Ounces (fl oz) |
|---|---|
| 3.7 mL | 0.125112 fl oz |
| 3.8 mL | 0.128493 fl oz |
| 3.9 mL | 0.131875 fl oz |
| 4 mL | 0.135256 fl oz |
| 4.1 mL | 0.138638 fl oz |
| 4.2 mL | 0.142019 fl oz |
| 4.3 mL | 0.1454 fl oz |
| 4.4 mL | 0.148782 fl oz |
| 4.5 mL | 0.152163 fl oz |
| 4.6 mL | 0.155545 fl oz |
| 4.7 mL | 0.158926 fl oz |
| mL | fl oz |
|---|---|
| 1 mL | 0.0338141 fl oz |
| 5 mL | 0.16907 fl oz |
| 10 mL | 0.338141 fl oz |
| 50 mL | 1.6907 fl oz |
| 100 mL | 3.3814 fl oz |
| 1,000 mL | 33.8141 fl oz |
Good to know
1 fl oz here is the US fluid ounce (29.5735 mL); a UK fluid ounce is 28.4131 mL.