There is around 15 to 20 drops in one ML. The liquid viscosity will change this answer.
You may consider that there is 80 to 100 drops in a 5ml bottle.
1mL is 20 drops.
Eight mL is 160 drops.
120 drops. 20 drops / mL.
There are approximately 240 drops in 10 ml. Therefore 2.5 ml contains about 60 drops.
~60 drops solution: 20 drops/mL * 3 mL = 60 drops
11mL is 220 drops (20 drops per mL).
There are approximately 200 drops of water in 1 ml, so in 10 ml there would be around 2000 drops.
50*10 = 500 drops.
16mL is 320 drops.
8mL is 160 drops.
150mL is 3,000 drops.
There are approximately 15 macro drops in 1 ml.