3.5 oz = 103.5 mL
There are approximately 281 ml in 9.5 oz.
There are approximately 103.5 ml in 3.5 oz.
There are approximately 591 ml in 20 oz.
Less then a half gallon, a quart has 32 oz and there 4 quarts to a gallon. 1 gallon equals 128 oz so 50 oz would be less than 64 oz which is a 1/2 gallon. Basically 50 oz equals about 6 cups and 2 oz.
About 29.6 mL per fluid ounce.
30 ml = 1.01442 US oz
1 Imperial fluid oz is 28.4131 mL 1 US fluid oz is 29.5735 mL
2.6 fluid ounces = about 76.9 mL
1.25 oz is approximately equal to 37.5 ml.
There are approximately 591 ml in 20 oz.
That is 29.53 ml.