Landscape Material Calculators
Estimate mulch, loam, compost, stone, gravel, sand and fill in cubic yards. Measure your area, enter the loose depth you need, and adjust the extra allowance. No email, account or purchase required.
Mulch calculator
Enter the area of your bed and the depth of new mulch you plan to add. All mulch colors use the same volume calculation. Free to use—no email or sign-in needed.
How this estimate works
Square feet × depth in inches ÷ 324 = cubic yards. For a circle, area = π × radius². The extra allowance is added before rounding UP to the next half cubic yard. Measure separate or irregular areas individually and add their estimates. This tool does not calculate truck payloads, tons or compacted construction quantities.
Your entries stay in this tool; the calculator does not save or submit them. If you open the request form, add your quantity to your message.
Loam & compost calculator
Estimate loose material for a garden bed, lawn topdressing or soil refresh. Free to use—no email or sign-in needed.
How this estimate works
Square feet × depth in inches ÷ 324 = cubic yards. For a circle, area = π × radius². The extra allowance is added before rounding UP to the next half cubic yard. Measure separate or irregular areas individually and add their estimates. This tool does not calculate truck payloads, tons or compacted construction quantities.
Your entries stay in this tool; the calculator does not save or submit them. If you open the request form, add your quantity to your message.
Stone & gravel calculator
Estimate loose cubic yards for decorative stone or gravel coverage. Free to use—no email or sign-in needed.
How this estimate works
Square feet × depth in inches ÷ 324 = cubic yards. For a circle, area = π × radius². The extra allowance is added before rounding UP to the next half cubic yard. Measure separate or irregular areas individually and add their estimates. This tool does not calculate truck payloads, tons or compacted construction quantities.
Your entries stay in this tool; the calculator does not save or submit them. If you open the request form, add your quantity to your message.
Sand calculator
Estimate loose cubic yards for your sand or stone-dust project. Free to use—no email or sign-in needed.
How this estimate works
Square feet × depth in inches ÷ 324 = cubic yards. For a circle, area = π × radius². The extra allowance is added before rounding UP to the next half cubic yard. Measure separate or irregular areas individually and add their estimates. This tool does not calculate truck payloads, tons or compacted construction quantities.
Your entries stay in this tool; the calculator does not save or submit them. If you open the request form, add your quantity to your message.
Fill material calculator
Estimate volume for an area with a reasonably even fill depth. Free to use—no email or sign-in needed.
How this estimate works
Square feet × depth in inches ÷ 324 = cubic yards. For a circle, area = π × radius². The extra allowance is added before rounding UP to the next half cubic yard. Measure separate or irregular areas individually and add their estimates. This tool does not calculate truck payloads, tons or compacted construction quantities.
Your entries stay in this tool; the calculator does not save or submit them. If you open the request form, add your quantity to your message.
Planning your material pickup or delivery
These tools estimate loose volume. Different stone sizes need different installation depths; they do not need a different cubic-yard conversion. Confirm suitable depth and any compaction allowance with Regis for your project. Firewood is measured separately and is not included in these coverage tools.
How much does one cubic yard cover?
One cubic yard covers 324 square feet at one inch deep, or 108 square feet at three inches deep, before any allowance. A 10 × 10 foot bed with 3 inches of new material needs about 0.93 cubic yards. With a 10% planning allowance, the calculator recommends 1.5 cubic yards after rounding UP to the next half yard. The allowance and rounding may leave extra material.
Does the estimate include compaction?
No. The adjustable extra percentage is a planning allowance for measurement uncertainty and handling loss. Compaction depends on the product, moisture, site and installation method. Ask for project-specific guidance before ordering base or structural fill.
Can I order the calculated quantity?
Call (603) 891-4399 or send a material request. Regis will confirm quantity, current pricing, availability, and pickup or delivery. Pickup is at 181B Webster St, Hudson, NH; call before visiting.
Calculation references
University of Florida: mulch coverage and placement · Unilock: limits of volume estimates for aggregate bases. The 10% editable planning allowance is a calculator design choice, not a product-specific recommendation from these sources.
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