Mulch Calculator

Mulch Calculator
🌿 Garden Calculator

Mulch Calculator

Find out exactly how much mulch you need — in cubic yards, cubic feet, and bags.

Length × Width
Area = Length × Width
ft
ft
in
Recommended: 2–4 inches
$
Result
🌿
Cubic Feet
Cubic Yards
Bags
Sq Ft Area
Depth
+10% Extra
💰 Estimated Cost: for bags at $/bag
💡 Pro Tip: Buy bags (+10% extra) to account for settling and uneven edges.

📐 Formula

Cubic Yards = (Area sq ft × Depth inches) ÷ 324  |  Bags = Cubic Feet ÷ Bag Size

🌱 Recommended Depth

PurposeDepth
Weed suppression3–4 inches
Moisture retention2–3 inches
Decorative1–2 inches
Tree rings2–4 inches

🪵 Types of Mulch

TypeBest ForLifespan
Wood chipsTrees, shrubs2–4 years
Shredded barkGarden beds1–3 years
StrawVegetables1 season
Pine needlesAcid-loving plants1–2 years
Rubber mulchPlaygrounds10+ years
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