How to calculate how much epoxy you need for a pour Annette DiOrio November 13, 2020 16:57 Updated For more help calculating resin amounts, check out the TotalBoat Epoxy Resin Calculator. Related articles Can metering pumps be left in epoxy containers when not in use? Which epoxy should I use on my project? How do I prepare the surface before applying epoxy? Can TotalBoat TotalFair be used on styrofoam? How can I buff an epoxy product to a glossy, mirror-like finish? Comments 0 comments Please sign in to leave a comment.