Start by entering your revenue goal and price of service or product. The Facebook Ad Calculator will then calculate the number of customers (unit sales) you’ll need to get.
In the last section, enter your CPC (cost-per-click). The Facebook Ad Calculator will then calculate your required Facebook Ad spend and if the campaign is profitable or leading to a loss.
Get your template calculator here: https://drive.google.com/file/d/1FsxK9x1D7kmSEUV1dTs5FgfUcjChf-G6/view?usp=sharing