How many mL is 20 cup?
20 cup = 4,000 mL
It is 4,000 mL, so saying 4,000 mL is fine — rounding is within 0.5%.
And how many cup is 20 mL?
20 mL = 0.1 cup
Formula: mL = cup × 200
cup to mL around this value
2 cup400mL
4 cup800mL
6 cup1,200mL
8 cup1,600mL
10 cup2,000mL
12 cup2,400mL
14 cup2,800mL
16 cup3,200mL
18 cup3,600mL
20 cup4,000mL
22 cup4,400mL
24 cup4,800mL
26 cup5,200mL
28 cup5,600mL
30 cup6,000mL
32 cup6,400mL
34 cup6,800mL
36 cup7,200mL
38 cup7,600mL
40 cup8,000mL