{
    "name": "Paver Block Quantity Calculator",
    "url": "https://calculators.geekmidst.com/calculators/paver-block-quantity-calculator",
    "markdown": "https://calculators.geekmidst.com/calculators/paver-block-quantity-calculator.md",
    "category": "Construction",
    "description": "Count paver blocks for a patio, path or driveway from the area, paver size and joint width, with a waste allowance and the bedding sand volume.",
    "summary": "Divide the paved area by the area of one paver plus its joint. Add a cutting allowance, and multiply the area by the bed thickness for the bedding sand.",
    "also_called": [
        "Interlocking paver calculator",
        "Patio block calculator"
    ],
    "applies_to": "Worldwide",
    "last_updated": "2026-10-29",
    "computation": "Results are computed in the visitor’s browser on the HTML page. This API describes the calculator; it does not compute results.",
    "inputs": [
        {
            "name": "units",
            "label": "Units",
            "type": "segmented",
            "default": "metric",
            "options": {
                "metric": "Metric",
                "imperial": "Imperial"
            }
        },
        {
            "name": "length",
            "label": "Area length",
            "type": "number",
            "default": "6"
        },
        {
            "name": "width",
            "label": "Area width",
            "type": "number",
            "default": "4"
        },
        {
            "name": "paver_length",
            "label": "Paver length",
            "type": "number",
            "default": "200"
        },
        {
            "name": "paver_width",
            "label": "Paver width",
            "type": "number",
            "default": "100"
        },
        {
            "name": "joint",
            "label": "Joint width",
            "type": "number",
            "default": "3",
            "optional": true
        },
        {
            "name": "waste",
            "label": "Waste allowance",
            "type": "number",
            "default": "5",
            "unit": "%",
            "optional": true
        },
        {
            "name": "bed",
            "label": "Bedding sand thickness",
            "type": "number",
            "default": "30",
            "optional": true
        }
    ],
    "outputs": [
        {
            "key": "pavers",
            "label": "Pavers to buy",
            "format": "integer"
        },
        {
            "key": "pavers_net",
            "label": "Pavers to cover the area",
            "format": "number"
        },
        {
            "key": "per_m2",
            "label": "Pavers per m²",
            "format": "number"
        },
        {
            "key": "per_ft2",
            "label": "Pavers per ft²",
            "format": "number"
        },
        {
            "key": "area_m2",
            "label": "Paved area",
            "format": "number"
        },
        {
            "key": "area_ft2",
            "label": "Paved area",
            "format": "number"
        },
        {
            "key": "sand_m3",
            "label": "Bedding sand",
            "format": "number"
        },
        {
            "key": "sand_ft3",
            "label": "Bedding sand",
            "format": "number"
        }
    ],
    "formula": {
        "text": "Pavers per area = 1 ÷ [(a + j)(b + j)];  Pavers = ⌈L × W × Pavers per area × (1 + Waste)⌉;  Sand = L × W × Bed",
        "variables": {
            "a, b": "paver length and width",
            "j": "joint width"
        }
    },
    "worked_example": {
        "inputs": {
            "units": "metric",
            "length": "6",
            "width": "4",
            "paver_length": "200",
            "paver_width": "100",
            "joint": "0",
            "waste": "5",
            "bed": "30"
        },
        "steps": [
            "One paver = 0.2 × 0.1 = 0.02 m², so 50 per m².",
            "6 × 4 = 24 m² × 50 = 1200 pavers; with 5% waste = 1260.",
            "Bedding sand = 24 × 0.03 = 0.72 m³."
        ],
        "result": "A 6 × 4 m patio in 200 × 100 mm pavers needs 1260 pavers and about 0.72 m³ of bedding sand."
    },
    "interpretation": "Shaped interlocking pavers state their own count per m² on the data sheet; use that if it differs. Order sand loose and allow extra for compaction and jointing sand.",
    "assumptions": [
        "Rectangular pavers on a rectangular area."
    ],
    "limitations": [
        "Edge restraints, sub-base and jointing sand are not included."
    ],
    "rules": null,
    "faqs": [
        {
            "question": "How many pavers per square metre?",
            "answer": "For a 200 × 100 mm paver, 50 per m² with tight joints; slightly fewer with wider joints."
        },
        {
            "question": "How thick should the sand bed be?",
            "answer": "Commonly 25–40 mm after compaction, but follow the paver manufacturer’s guidance."
        }
    ],
    "sources": [],
    "related": [
        {
            "name": "Floor Tile Waste Calculator",
            "url": "https://calculators.geekmidst.com/calculators/floor-tile-waste-calculator"
        },
        {
            "name": "Asphalt Road Tonnage Calculator",
            "url": "https://calculators.geekmidst.com/calculators/asphalt-road-tonnage-calculator"
        },
        {
            "name": "Excavation Earthwork Calculator",
            "url": "https://calculators.geekmidst.com/calculators/excavation-earthwork-calculator"
        }
    ],
    "disclaimer": "Quantities are estimates. Confirm requirements with your engineer or supplier before ordering materials.",
    "publisher": "GM¹X CalcVerse"
}