Gravel Volume Formula:
Definition: This calculator estimates the volume of gravel needed based on the area dimensions (length and width) and desired depth.
Purpose: It helps homeowners and construction professionals determine how much gravel is required for projects like driveways, walkways, or drainage systems.
The calculator uses the formula:
Where:
Explanation: The calculator converts all measurements to feet, calculates cubic feet, then converts to cubic yards by dividing by 27.
Details: Accurate gravel volume estimation ensures proper project planning, avoids material shortages or excess, and helps with budgeting.
Tips: Measure the length and width of your area in feet. Enter the desired depth in inches (calculator converts to feet). All values must be > 0.
Q1: Why divide by 27?
A: There are 27 cubic feet in 1 cubic yard (3 feet × 3 feet × 3 feet).
Q2: How do I measure irregular areas?
A: Break into rectangular sections, calculate each separately, then sum the volumes.
Q3: What's a typical depth for gravel projects?
A: 4-6 inches for walkways, 6-12 inches for driveways, but depends on usage and base preparation.
Q4: How much does a cubic yard of gravel cover?
A: At 3 inches depth: ~100 sq ft. At 6 inches: ~50 sq ft. At 12 inches: ~25 sq ft.
Q5: Does this include compaction factor?
A: No, consider adding 10-20% to your calculated volume to account for compaction.