Did you try a quick internet search? While the search was quick, I'm betting the results felt more like a lesson in baking and food chemistry. Below you will find the quick and easy conversion guide for Maple Syrup and Maple Sugar.
1 cup (c) white granulated sugar = 1 c maple granulated sugar
1 c white granulated sugar = 1 c maple syrup & reduce other liquids by 1/2 c
1 c packed brown sugar = 1 c + 1 Tablespoon (T) of maple granulated sugar
1 c packed brown sugar = 1 c + 1 T maple syrup & reduce other liquids by 1/2 c
So, there it is folks. You quick, easy, non-confusing reference guide.
Have you used maple syrup in a new recipe? We would love to hear the results.