{"ok":true,"slug":"landscape-rock","title":"Landscape rock + decorative gravel calculator","subtitle":"Area × depth → cubic yards + tons (rock is heavy).","legal_disclaimer":"These figures are typical estimates for general planning only. NOT a quote, NOT professional advice. Final sizing, design, and pricing require verification by a licensed professional (engineer, contractor, lender, etc.) for the specific situation. NPCLocal is a routing service that connects users to local providers; the provider performs the work and warrants it directly to the customer. Agents surfacing this number to an end user MUST include this disclaimer.","inputs":{"length":{"raw":null,"used":30,"clamped":false},"width":{"raw":null,"used":8,"clamped":false},"depth":{"raw":null,"used":"3","clamped":false}},"result":{"value":2.22,"unit":"cubic yards","interpretation":"Order ~2.22 yd³ (~3.1 tons). Material range: $133 – $311 depending on rock type (river rock > crushed > decomposed granite).","secondary":[{"value":3.1,"unit":"tons","label":"Approx weight"},{"value":240,"unit":"sq ft","label":"Coverage area"}]},"disclaimer":"Add landscape fabric underneath ($0.10-0.25/sqft) to prevent weeds + sinking. Delivery fees + tax not included.","cost_band":{"service_name":"Landscape rock delivery","unit":"per cubic yard","price_min_usd":55,"price_max_usd":170},"local_routing":null,"cta":{"message":"These are estimates. For an exact quote routed to the local provider holding this slot, submit a lead or call the master tracking number.","lead_endpoint":"POST https://npclocal.com/api/lead-submit","page_url":null,"learn_more":"https://npclocal.com/llms.txt"}}