{
  "schemaVersion": "1.0",
  "slug": "drawer-front-grid-calculator",
  "route": "/tools/components/drawer-front-grid-calculator/",
  "categorySlug": "fronts-panels-installation",
  "name": "Drawer Front Grid",
  "title": "Drawer Front Grid Calculator",
  "description": "Divide a finished opening into an equal drawer-front grid using explicit side reveals, top and bottom reveals, inter-front gaps, rows, columns, and thickness.",
  "searchIntent": "drawer front size grid calculator",
  "modelVersion": "1.0.0",
  "reviewedDate": "2026-07-30",
  "defaultInputs": {
    "openingWidth": 30,
    "openingHeight": 24,
    "columnCount": 2,
    "rowCount": 3,
    "sideReveal": 0.125,
    "topBottomReveal": 0.125,
    "gap": 0.125,
    "frontThickness": 0.75
  },
  "inputs": [
    {
      "id": "openingWidth",
      "label": "Finished grid opening width",
      "default": 30,
      "min": 3,
      "max": 144,
      "step": 0.0625,
      "unit": "in",
      "help": "Finished width bounded by the approved left and right reveal reference faces."
    },
    {
      "id": "openingHeight",
      "label": "Finished grid opening height",
      "default": 24,
      "min": 3,
      "max": 120,
      "step": 0.0625,
      "unit": "in",
      "help": "Finished height bounded by the approved top and bottom reveal reference faces."
    },
    {
      "id": "columnCount",
      "label": "Equal columns",
      "default": 2,
      "min": 1,
      "max": 12,
      "step": 1,
      "unit": "count",
      "help": "Number of equal drawer-front columns in the modeled grid."
    },
    {
      "id": "rowCount",
      "label": "Equal rows",
      "default": 3,
      "min": 1,
      "max": 12,
      "step": 1,
      "unit": "count",
      "help": "Number of equal drawer-front rows in the modeled grid."
    },
    {
      "id": "sideReveal",
      "label": "Left and right reveal",
      "default": 0.125,
      "min": 0,
      "max": 3,
      "step": 0.03125,
      "unit": "in",
      "help": "Equal finished reveal at the outside left and right boundaries."
    },
    {
      "id": "topBottomReveal",
      "label": "Top and bottom reveal",
      "default": 0.125,
      "min": 0,
      "max": 3,
      "step": 0.03125,
      "unit": "in",
      "help": "Equal finished reveal at the outside top and bottom boundaries."
    },
    {
      "id": "gap",
      "label": "Gap between fronts",
      "default": 0.125,
      "min": 0,
      "max": 3,
      "step": 0.03125,
      "unit": "in",
      "help": "Uniform finished gap between adjacent rows and columns."
    },
    {
      "id": "frontThickness",
      "label": "Drawer-front thickness",
      "default": 0.75,
      "min": 0.125,
      "max": 3,
      "step": 0.03125,
      "unit": "in",
      "help": "Measured finished thickness of each front including permanent build-up."
    }
  ],
  "formulas": [
    {
      "part": "Equal drawer front",
      "quantity": "columnCount * rowCount",
      "length": "(openingHeight - 2 * topBottomReveal - (rowCount - 1) * gap) / rowCount",
      "width": "(openingWidth - 2 * sideReveal - (columnCount - 1) * gap) / columnCount",
      "thickness": "frontThickness",
      "formulaNote": "Available width and height are divided equally after perimeter reveals and internal gaps; unequal fronts require a separate elevation-driven model."
    }
  ],
  "defaultParts": [
    {
      "name": "Equal drawer front",
      "quantity": 6,
      "length": 7.833333333333333,
      "width": 14.8125,
      "thickness": 0.75,
      "materialGroup": "Finished drawer-front panel",
      "grain": "Project-specified matched sequence",
      "formulaNote": "Available width and height are divided equally after perimeter reveals and internal gaps; unequal fronts require a separate elevation-driven model."
    }
  ],
  "assumptions": [
    "Every row has equal finished height and every column has equal finished width.",
    "Perimeter reveals are symmetrical on opposing sides and one uniform gap applies between all adjacent fronts.",
    "The calculated dimensions are finished front sizes; pre-finish, edge-banding, profiling, or grain-match production allowances are controlled separately.",
    "This is a reviewable planning model, not a universal cabinetmaking standard; the shop drawing, approved sample, field dimensions, and contract documents remain authoritative.",
    "Manufacturer hardware dimensions, load ratings, fastener schedules, edge distances, and drilling requirements govern whenever hardware is involved."
  ],
  "checks": [
    "Reconstruct the opening width and height from all fronts, gaps, and perimeter reveals to confirm the arithmetic closes.",
    "Check minimum front size, mounting screw location, bracket engagement, pull boring, and adjustment range against the exact drawer hardware.",
    "Verify grain, color, pattern, edge, and part IDs remain in the approved visual sequence after machining and finishing.",
    "Measure the actual sheet, board, or panel thickness from the material lot and reconcile it with every mating groove, dado, fastener, and hardware allowance.",
    "Build or dry-fit the first assembly, record the verified result, and release the remaining batch only under the same model revision."
  ],
  "stopConditions": [
    "Stop when the elevation includes unequal rows, unequal columns, paired doors, false fronts, or another layout the equal-grid formula cannot represent.",
    "Stop when the exact slide, front-fixing bracket, pull, or adjustment data affecting the front has not been approved.",
    "Stop when the exact hardware product, current manufacturer data, or required attachment method is unresolved; do not substitute a generic allowance.",
    "Stop when field dimensions, actual material thickness, grain requirement, or model revision cannot be verified before batch cutting."
  ],
  "sources": [
    {
      "name": "ANSI/AWI 1235-2024 – Specialty Casework",
      "url": "https://awinet.org/standards/specialty-casework/requirements-specialty-casework/3-2-material-6/",
      "scope": "Primary industry standard used here for casework material, component, and hardware-planning context. Its published scope is specialty casework; it does not set universal residential cabinet dimensions or replace project documents."
    },
    {
      "name": "Blum Product Configurator",
      "url": "https://www.blum.com/us/en/services/e-services/onlineproductconfigurator/",
      "scope": "Primary manufacturer resource for current Blum product selection and application data. It governs only the exact Blum product and revision selected; it is not a generic hardware standard."
    }
  ]
}