Gravel Depth Calculator — Calculate Gravel Needed for Your Project

Gravel Depth Calculator

Calculate the exact amount of gravel needed for your landscaping, driveway, pathway, or construction project. Determine volume, weight, bags needed, and estimated cost.

Step 1: Area Specifications

10 cm

Recommended Gravel Depths

Driveways: 10-15cm • Pathways: 5-10cm • Landscaping: 5-8cm • Drainage: 15-30cm • Decorative: 2-5cm

Step 2: Gravel Specifications

1600 kg/m³

Gravel Density Guide

Pea Gravel: ~1600 kg/m³ • Crushed Stone: ~1800 kg/m³ • River Rock: ~1500 kg/m³ • Decomposed Granite: ~1700 kg/m³

Gravel Calculation Results

Summary
Depth Visualization
Gravel Comparison

Total Gravel Required

5.0
Cubic Meters (m³)
Weight
8.0 tonnes
Bags Needed
320 bags
Estimated Cost
£280.00
Coverage Area
50 m²

Gravel Depth Visualization

10 cm
Depth Category
Pathway
Settlement Factor
+15% recommended
Delivery Type
Bulk recommended
Compaction Needed
Yes, for driveway

Gravel Type Comparison

Gravel Type Density (kg/m³) Common Uses Typical Depth

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