Calculator
How much sand or gravel do I need?
Calculate pounds of sand, gravel, or planted-tank substrate needed for any aquarium. Enter footprint + desired depth and get pounds + bags needed.
Inputs
Enter values + click Calculate.
How it works
Step 1Sand: ~1 lb per gallon for 1 inch depth
Step 2Gravel: ~1.5 lb per gallon for 1 inch depth
Step 3Planted: 2-3 inches for root feeders