I think you may be best doing your own Googling on this.
There are different formats for most sweeteners, and some brands mix them together.
I have seen stevia come as drops, liquid to be measured by spoon, and in powder form with other sweeteners or bulking agents.
So you are probably best doing a specific search for the brand of stevia you have, compared with sugar.
The manufacturer may (hopefully) have a page on their website giving you instructions on the use of the product.