Home Decorative Rock Slate Sand & Gravel Soils, Mulch & More Material Calculator Yard Sales Delivery Contact & Location

Material Calculator

Estimate how much material you need for any shaped area — in cubic yards and bags. Add 10% to your result to account for settling.

Select Shape

Standard depth for mulch is 3 inches. For decorative rock, 2–3 inches is typical.

Please enter valid positive numbers in all fields.

Your Estimate

Cubic Yards
yd³ of material
Equivalent in Bags
bags (27 bags/yd³)
Add approximately 10% to your total to account for settling and uneven surfaces.

Mulch & Soil

Standard depth is 3 inches. For optimal weed suppression in garden beds, use 3–4 inches.

Decorative Rock

Typically 2–3 inches deep for decorative coverage. Heavier rock grades may need less depth to achieve full coverage.

All Products

Coverage varies by product. Our team is happy to advise on the right depth for your specific material. Give us a call.

Calculation Formulas

All results are in cubic yards. Depth is entered in inches and converted automatically. 27 bags equal approximately one cubic yard.

Rectangle / Square
(depth × L × W) / 324
Circle
(depth × r² × 3.14) / 324
Triangle
(base × height × 0.5 × depth) / 324
Oval
(depth × L × W × 0.8) / 324
Hexagon
(depth × side² × 2.6) / 324
Octagon
(depth × side² × 4.84) / 324

Have Your Estimate? Let's Get Your Material.

Come pick it up at the yard or give us a call for delivery pricing throughout BC and Alberta.

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