Lava Rock Calculator
Choose a Lava Rock Style to Calculate:
Lava rock is a great looking filler to help conceal your fire pit burner. Use it by itself for a simple, natural look. Or pair it with lava pebbles, river stones, glass, logs, or cannon fireballs.
Most common depth: 3″ to fully conceal a Crossfire Burner.
Types of Lava Rock:
There is standard “porous” lava rock, or a style known as “Rolled”, or “Tumbled” lava rock. Most commonly we refer to this style as “lava pebbles”. With lava pebbles, you get a cleaner, more refined look. Either options function well in a fire pit.
Calculate Standard Lava Rock Here:
Fire pit lava rock that is porous. This calculator is specific to medium sized lava rock.

Calculate Rolled Lava Pebbles Here:
Fire pit lava pebbles/rolled lava rock calculator: works for medium/large stones from 1″ to 3″ in size.

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