{"ok":true,"slug":"concrete","title":"Concrete cubic-yard calculator","subtitle":"Enter slab dimensions. Output: cubic yards (how concrete is ordered) + a rough material cost.","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":20,"clamped":false},"width":{"raw":null,"used":10,"clamped":false},"thickness":{"raw":null,"used":"4","clamped":false}},"result":{"value":2.47,"unit":"cubic yards","interpretation":"Order ~2.47 yd³. Material only: ~$370-$494. Installed (plain broom finish): ~$1,200-$2,400.","secondary":[{"value":200,"unit":"sq ft","label":"Slab area"},{"value":66.7,"unit":"cu ft","label":"Volume"}]},"disclaimer":"Short-load fees apply under 5 yd³. Stamped, colored, or exposed-aggregate finishes run higher. Pumping (for back-of-house pours) is an extra fee.","cost_band":{"service_name":"Concrete flatwork","unit":"per square foot","price_min_usd":6,"price_max_usd":14},"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"}}