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PLAN THE WHOLE PROJECT

Garden path planner.

Plan a gravel path with separate surface and base quantities.

KEEP YOUR PLAN

Give your project a name.

Save your measurements and quotes on this device. No account needed.

My saved projects

YOUR MEASUREMENTS

Use the depth and allowance from your project specification.

Bag sizes, weight & pricing +

Bag counts and prices apply to the main material only. Enter your supplier’s density to calculate weight.

Compare bags with bulk delivery +

Use the bag size and units above. Compare the same product at your supplier’s quoted prices. Enter small-bag contents above and its price below. Include each delivery charge; enter zero for pickup.

Bulk-bag quote · optional third option

Compare small bags, bulk bags and a loose load side by side. Each price is optional; include delivery once for each option.

Minimum and increment use the bulk quote unit. For half-yard orders, enter 0.5 as the increment. Zero uses the exact estimate. Check taxes, unloading charges and access separately. Weight quotes need your supplier’s bulk density.

Gouache illustration of a pale gravel path curving between leafy garden borders.
AI-generated illustration, not a photograph of a completed project.
BEFORE YOU ORDER

Measure your project

Split bends into short rectangles and add their areas. Subtract planted islands and enter the specified depth for each material.

Measure the space you need to fill. Rectangles use length and width; circles use diameter. For several sections, choose combined areas and add rectangles, then subtract exclusions. The final area must be greater than zero.

Walk the route before measuring

Divide bends and changes in width into rectangles. Add the sections without overlap, then subtract planted islands. Both surface and base use this approximate area. The planner does not design drainage or construction details.

The list shows surface gravel and base aggregate separately. Record edging, membrane, delivery access and any other materials yourself; the planner does not calculate those quantities.

Gravelshop: Hard Rock Mix (3/4 inch)

Volume formula

Volume = area × depth × (1 + allowance ÷ 100)

Allowance applies once to each volume layer. No density or compaction factor is assumed. If buying by weight, enter the density for your supplier’s product in the units shown.

A worked example

An example 20-foot by 10-foot rectangle filled 3 inches deep needs 50.000 cubic feet, or 1.851852 cubic yards, without allowance. A 10% allowance gives 55 cubic feet. These are arithmetic examples, not recommended depths.

Keep the layers separate

Surface and base appear separately, each with the depth you enter. Main-material bag and pricing settings apply to the surface only. Confirm each layer’s material specifications with your contractor.

Buying and checking quantities

Enter the volume printed on a bag, or its mass alongside supplier density. Counts round up to full bags. Costs use the purchasing unit and price you enter. Delivery is separate; labor and installation are outside this estimate. Copy or print your list to check with your supplier.

Sources & what they cover

  • NIST SI conversion factorsNational Institute of Standards and Technology

    Exact US customary and SI conversion factors; no material or installation recommendations.

    Source checked
  • Hard Rock Mix (3/4 inch)Gravelshop

    One supplier’s angular crushed-stone product. Supplier ton convention is not inferred.

    Source checked

We check what each reference covers. A source check does not mean a specialist has reviewed this tool. You supply the depths, densities, prices and blend proportions.

Operated by Pete CallaghanUpdated Not yet independently reviewedHow we check our toolsReport a correction