For those unfamiliar with accounting terms discussions of markup verses margin may feel a bit daunting.
Some people can do math in their head and easily remember numbers. For those of you new to these terms or if is hard for you to remember what markup is needed to get the margin you need to stay profitable, here are some tools.
These are the formulas:
Markup % = Gross Profit / Cost
Margin % = Gross Profit / Price
Here is a table of examples assuming the cost of an item is $100.
Here is a link with examples and definitions.