Volume conversion
42 mL to cups
0.178 cups
42 millilitres = 0.178 US cups. Exact factor: cups = mL ÷ 236.5882365.
Live converter
Edit either field — the other updates instantly. Type decimal values like 38.4.
The formula
cups = mL ÷ 236.5882365
Worked example: 42 × 0.0042267528 = 0.178 cups.
Values near 42 mL
| mL | cups |
|---|---|
| 39 | 0.165 |
| 40 | 0.169 |
| 41 | 0.173 |
| 42this page | 0.178 |
| 43 | 0.182 |
| 44 | 0.186 |
| 45 | 0.19 |
Frequently asked
How do you convert millilitres to US cups?
Apply the formula cups = mL ÷ 236.5882365. Enter any value in the live converter above and the result updates as you type.
What is 42 mL in cups?
42 mL equals 0.178 cups. The reference table below shows the values immediately around 42 mL.
Is this conversion exact?
Yes. The US legal cup used on nutrition labels is 240 mL, slightly larger than the 236.59 mL customary cup used in recipes.