Material Calculator

The advanced, all-in-one calculator for landscape materials. Pick your material, trace or size any bed shape, set a depth, and get the exact order quantity — cubic yards, bags, and cost. One tool for mulch, compost, topsoil, gravel, and sod.

MATERIALS

Detail level

Pick a material, size your bed, set a depth — we'll give you the order quantity. Great for DIYers.

Material

Pick what you're ordering. Each material uses its own default depth and bag size.

Define area

Enter your bed dimensions. Switch to Advanced if you'd rather trace the shape.

Common sizes:

Length

Width

Area: 100 sq ft

Depth

We default to 3″ for mulch. Pick a preset or type your own.

Custom depth

You need about this much mulch

1cu yd

Or bags142 cu ft each

Bulk sells in ½-yard increments (~1-yard delivery minimum) — round up when you order.

Add 10% extra for waste

Show the math

Area100 sq ft
Volume100 sq ft × 3 in ÷ 1225.0 cu ft
Cubic yards25.0 cu ft ÷ 270.9 cu yd
+ 10% waste0.9 × 1.101.0 cu ydthe amount to buy in bulk, before rounding to bags
Bags27.5 cu ft ÷ 2 cu ft/bag14 bagsrounded up to whole bags

Low-fi estimate. Confirm coverage and bag sizes with your supplier.
Includes a 10% overage allowance.
Bag count assumes 2 cu ft bags. Bulk delivery is sold by the cubic yard.

Doing more than one bed or material?

Total the whole yard →Design this bed

Est. cost $31–$51 · typical bulk price · adjust for your supplier

Bags or bulk for this job?

Bulk delivered$150–$1902 cu yd (2-yd min) + ~$90 delivery

Bags$42–$8414 × 2 cu ft · haul ~1 pickup load

For this size, bags usually wins.

≈ 9 wheelbarrow loads to spread · delivery fee varies by distance — confirm at checkout.

What are you planning?

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Just need a quick single-material estimate? Try the simple mulch, gravel, topsoil, compost, or sod calculators.