Fireplace Calculator

Having the correct amount of FireCrystals® is important for a beautiful and efficient fireplace or fire pit. Below is a form to help you with the calculations; all you need to do is follow the instructions below and you are on your way!

SUGGESTION: Use less expensive glass on the bottom (i.e., clear, bronze, gray) to save on your overall cost.

Back Length (Inches Side to Side) :      

Front Length (Inches Side to Side) :    

Depth (Inches Front to Back):                    

Total Pounds Needed:                      


Width x Depth x 3/22.5 = pounds needed


The formula calculates a 3 inch thickness in the fireplace, which will achieve the proper thermal dynamic efficiency that we have proven over the last 10 years of test burning.


22.5 = cubic inches per pound of FireCrystals