Is it expensive to make resin dice?
With a 64 oz resin kit, you can make each dice between 0.5 oz to 2 oz, depending on the size of the dice. This will make each dice cost about $1 per die. As you can see, the math works out well for dice hoarders.
How much resin do I need for a full set of dice?
The role-playing games dice molds should need around 147ml (4.97oz) resin.