Liquid Stevia Drops Conversion. Conversion is just as easy if you're substituting sugar for sweetleaf liquid stevia sweet drops ®. To use liquid stevia as a replacement for a tablespoon of sugar, simply add 15 drops or 3 milliliters.
The conversion for these varies even more greatly than it does for the powder, so again you’d need to check the label to accurately determine how much you’d need. Does stevia measure like sugar? Here in this product 1 tablespoon equals ½ cup of sugar.