FireCrystals

Round Fire Pit Calculator

Round Fire Pit photo
Diameter (A)

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

(π • r² • h) is the volume formula for a round fire pit

(π • r² • h) ÷ 22.5 in.³

22.5 = cubic inches per pound of FireCrystals

Weight is 10.5 pounds per gallon

Calculations are amounts we suggest for a 3 inch thickness in the fireplace to achieve the proper thermal dynamic efficiency, which we have proven over the last seven years of test burning.

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