Patio Gravel Calculator
Area × depth for patio gravel beds or drainage layers.
Step 1: Units
Step 2
Enter project measurements
Use decimals if needed (e.g. 3.5).
Step 3
How to use this calculator
Include extension beyond pavers if applicable.
What the math is doing
Volume from L×W×D.
Frequently asked questions
Geotextile separation?
Roll area equals footprint.
Slope?
Average depth for gentle fall.
Weed fabric?
Not included in volume.
Compaction?
Field spec.