Fire Glass and Lava Rock Quantity Calculators
How to use the fire pit calculators:
- Select which calculator you need, Fire Glass or Lava Rock. Open using the orange arrow head on right-hand side.
- Select the shape of your fire pit, either Round, Square/Rectangular (also works for Linear), or fireplace.
- Enter the required dimensions in the appropriate boxes in inches only.
- The result will automatically show in the ‘Amount of Fire Glass Needed’ box.
- Use the ‘Clear’ button to reset the calculator.