Mulch Calculator for 500 sq ft
Estimate mulch for 500 sq ft of beds.
500 sq ft of garden beds at 3 in mulch depth needs about 4.63 cubic yards, or roughly 63 bags of 2 cu ft mulch. For anything over 3 cubic yards, bulk delivery is usually cheaper than buying bags.
Cubic yards
0.83
2 cu ft bags
12
Standard bag size
Cubic feet
22.5
Save this project
Sign in to save calculations to your dashboard.
Download your PDF report & project guide
Your results and inputs, a printable shopping list, a step-by-step guide and pro tips — in one PDF.
Planning a whole project?
Get every calculator, a full shopping list and a budget template for:
Recommended tools & materials
Handy picks for this project on Amazon.
Landscape Fabric
Stops weeds under gravel and mulch
View on Amazon →
Steel Garden Rake
Spread gravel, soil and mulch evenly
View on Amazon →
Heavy-Duty Wheelbarrow
Move bulk material fast
View on Amazon →
Hand Tamper
Compact base layers before paving
View on Amazon →
As an Amazon Associate, MaterialCalc earns from qualifying purchases.
How does the mulch calculator work?
Mulch is sold by cubic yard (bulk) or in 2 cu ft bags. Multiply bed area by depth in feet to get cubic feet.
Formula: bags (2 ft³) = (L × W × D/12); yards = ft³ ÷ 27
What else do people ask about this calculator?
How many bags of mulch for 500 sq ft?
About 63 bags of 2 cu ft mulch at 3 in depth. At 2 in depth, cut that in half; at 4 in depth, add another 33%.
Bulk mulch or bags for 500 sq ft?
Over 3 cubic yards (about 40 bags), bulk delivery is usually cheaper per yard. Under that, bags are more practical and easier to carry to distant beds.
How many bags of mulch in a yard?
13.5 bags of 2 cu ft mulch equal one cubic yard. Bulk delivery is usually cheaper above 3 yd³.
How deep should mulch be?
2–3 in for annual beds, 3–4 in around trees and shrubs. Deeper than 4 in can suffocate roots.
Which related calculators should I use next?
Where can I learn more about these materials?
Weights, coverage, types and buying tips for the materials this calculator estimates.
All calculators