Mulch Calculator
Calculate how much mulch you need in cubic yards or cubic meters based on the area and desired depth.
Mulch Needed
Mulch Volume is calculated from area and depth:
Imperial formula:
Cubic Yards = (Area in sq ft × Depth in inches) / 324
Metric formula:
Cubic Meters = Area (m²) × Depth (cm) / 100
Conversions:
- 1 cubic yard = 0.7646 cubic meters
- 1 cubic meter = 1.308 cubic yards
- 1 cubic yard covers ~162 sq ft at 2 inches deep
Recommended mulch depths:
- Flower beds: 2–3 inches (5–8 cm)
- Tree rings: 3–4 inches (8–10 cm)
- Pathways: 4–6 inches (10–15 cm)
- Weed suppression: 3+ inches (8+ cm)
Buying tips:
- Bulk mulch is sold by the cubic yard
- Bagged mulch: ~2 cu ft per bag, ~13.5 bags per cubic yard
- Order 5-10% extra for uneven terrain