Write down the quantity of drops you need to convert to cubic centimeters. The rule is one drop of water is equal to 0.05 cc. Multiply the number of drops by 0.05 to convert from drops to cubic centimeters.
For example, if you need to convert 30 drops into cubic centimeters: 30 x 0.05 = 1.5 cc.
To figure out the problem online, use the conversion tool given at unitconversion.org. Enter the drops value in the text field titled "drops." The corresponding value in cubic centimeters will be shown in the text field titled "cubic centimeters."
Another online tool to convert drops to cubic centimeters is at convert-to.com. Enter the value in drops in the text field titled "Enter Amount." The result will be shown in the field titled "Equals."