{
  "version": "https://jsonfeed.org/version/1.1",
  "title": "SiteCalc Blog",
  "home_page_url": "https://sitecalcapp.com",
  "feed_url": "https://sitecalcapp.com/feed.json",
  "description": "Construction calculator guides, trade tips, and material estimation articles from SiteCalc.",
  "language": "en-US",
  "authors": [
    {
      "name": "Creayo LLC",
      "url": "https://sitecalcapp.com"
    }
  ],
  "items": [
    {
      "id": "https://sitecalcapp.com/blog/brick-calculator-how-many-bricks-per-square-foot",
      "url": "https://sitecalcapp.com/blog/brick-calculator-how-many-bricks-per-square-foot",
      "title": "Brick Calculator: How Many Bricks Per Square Foot?",
      "summary": "Standard brick count per square foot for walls and pavers, mortar bags per 100 bricks, waste by bond pattern, and the difference between veneer and structural.",
      "date_published": "2026-04-10T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/fence-calculator-posts-rails-pickets",
      "url": "https://sitecalcapp.com/blog/fence-calculator-posts-rails-pickets",
      "title": "Fence Calculator: Posts, Rails, Pickets, and Concrete",
      "summary": "How to calculate fence materials from linear footage. Post spacing, rail count, picket count by gap width, and concrete per post hole. Wood privacy, picket, and chain link.",
      "date_published": "2026-04-10T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/watts-to-amps-calculator-electrical-formulas",
      "url": "https://sitecalcapp.com/blog/watts-to-amps-calculator-electrical-formulas",
      "title": "Watts to Amps Calculator: The Electrical Formulas You Actually Need",
      "summary": "How to convert watts to amps, amps to watts, and calculate circuit capacity. Single-phase and three-phase, with real jobsite examples.",
      "date_published": "2026-04-10T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/concrete-footing-calculator-size-and-volume",
      "url": "https://sitecalcapp.com/blog/concrete-footing-calculator-size-and-volume",
      "title": "Concrete Footing Calculator: Size and Volume",
      "summary": "How to size and calculate concrete for footings. IRC Table R403.1, frost depth, pier vs continuous, soil bearing capacity, and Sonotube volumes.",
      "date_published": "2026-04-09T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/electrical-load-calculation-nec-article-220",
      "url": "https://sitecalcapp.com/blog/electrical-load-calculation-nec-article-220",
      "title": "Electrical Load Calculation: NEC Article 220",
      "summary": "How to calculate residential electrical panel load using NEC 220 standard and optional methods. General lighting, appliance circuits, HVAC, range, dryer, and service sizing.",
      "date_published": "2026-04-09T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/gravel-calculator-how-much-gravel-do-i-need",
      "url": "https://sitecalcapp.com/blog/gravel-calculator-how-much-gravel-do-i-need",
      "title": "Gravel Calculator: How Much Gravel Do I Need?",
      "summary": "Cubic yard formula for gravel, tonnage conversion, depth by application, and compaction factors. Driveways, French drains, patios, and foundation base.",
      "date_published": "2026-04-09T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/insulation-calculator-r-value-bags-batts",
      "url": "https://sitecalcapp.com/blog/insulation-calculator-r-value-bags-batts",
      "title": "Insulation Calculator: R-Value, Bags, and Batts",
      "summary": "How to calculate insulation by R-value target, bags for blown-in, batts for walls, and IRC climate zone requirements. Attic, walls, and crawlspace.",
      "date_published": "2026-04-09T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/drywall-calculator-how-many-sheets",
      "url": "https://sitecalcapp.com/blog/drywall-calculator-how-many-sheets",
      "title": "Drywall Calculator: How Many Sheets Do I Need?",
      "summary": "Wall and ceiling square footage to sheet count, 4x8 vs 4x12 optimization, joint compound, tape, screws, and waste factors. The full drywall estimate.",
      "date_published": "2026-04-08T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/retaining-wall-block-calculator",
      "url": "https://sitecalcapp.com/blog/retaining-wall-block-calculator",
      "title": "Retaining Wall Calculator: How Many Blocks Do I Need?",
      "summary": "Block count, cap pieces, base gravel, backfill, and drainage for segmental retaining walls. Includes geogrid requirements by wall height.",
      "date_published": "2026-04-08T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/slope-calculator-drainage-grade-percent",
      "url": "https://sitecalcapp.com/blog/slope-calculator-drainage-grade-percent",
      "title": "Slope Calculator: Grade, Percent, and Inches per Foot",
      "summary": "How to convert between percent grade, inches per foot, and ratio for drainage, sewer pipe, concrete flatwork, and yard grading. With code requirements.",
      "date_published": "2026-04-08T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/how-to-calculate-tile-for-a-floor",
      "url": "https://sitecalcapp.com/blog/how-to-calculate-tile-for-a-floor",
      "title": "How to Calculate Tile for a Floor",
      "summary": "Square footage to tile count, waste factors by layout pattern, thinset coverage, and backer board math. Real tile estimation, not guesswork.",
      "date_published": "2026-04-07T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/paint-coverage-calculator-how-much-paint-for-a-room",
      "url": "https://sitecalcapp.com/blog/paint-coverage-calculator-how-much-paint-for-a-room",
      "title": "How Much Paint Do I Need for a Room?",
      "summary": "Wall area formula, coverage rates per gallon, trim and ceiling math, and when one coat won't cut it. The full paint calculation.",
      "date_published": "2026-04-07T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/duct-sizing-calculator-hvac-cfm-to-duct-size",
      "url": "https://sitecalcapp.com/blog/duct-sizing-calculator-hvac-cfm-to-duct-size",
      "title": "HVAC Duct Sizing: CFM to Duct Size",
      "summary": "How to size ducts from CFM, the friction rate method, rectangular-to-round equivalents, and common residential branch sizes. With the actual tables.",
      "date_published": "2026-04-06T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/mulch-calculator-cubic-yards-for-landscaping",
      "url": "https://sitecalcapp.com/blog/mulch-calculator-cubic-yards-for-landscaping",
      "title": "Mulch Calculator: How Many Cubic Yards Do I Need?",
      "summary": "Cubic yard formula for mulch and topsoil, coverage per yard at different depths, bulk vs bag pricing, and how much a pickup truck actually holds.",
      "date_published": "2026-04-06T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/board-feet-calculator-how-to-calculate-lumber",
      "url": "https://sitecalcapp.com/blog/board-feet-calculator-how-to-calculate-lumber",
      "title": "Board Feet Calculator: How to Calculate Lumber",
      "summary": "Board feet calculator formula with worked examples, a reference table for common lumber sizes, and when board feet matter vs linear feet.",
      "date_published": "2026-04-05T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/conduit-fill-calculator-nec-chapter-9",
      "url": "https://sitecalcapp.com/blog/conduit-fill-calculator-nec-chapter-9",
      "title": "Conduit Fill Calculator: NEC Chapter 9 Tables Explained",
      "summary": "How to calculate conduit fill using NEC Chapter 9 Tables 1, 4, and 5. Fill percentages, usable area by conduit type, and a worked example.",
      "date_published": "2026-04-05T00:00:00.000Z",
      "tags": [
        "trade"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/deck-calculator-boards-joists-footings",
      "url": "https://sitecalcapp.com/blog/deck-calculator-boards-joists-footings",
      "title": "Deck Calculator: Boards, Joists, Beams, and Footings",
      "summary": "Calculate decking boards, joists, beams, and footings for any deck. Full material list for a 12x16 example with 5/4 vs 2x6 and spacing options.",
      "date_published": "2026-04-05T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/how-to-calculate-concrete-for-a-slab",
      "url": "https://sitecalcapp.com/blog/how-to-calculate-concrete-for-a-slab",
      "title": "How to Calculate Concrete for a Slab",
      "summary": "Step-by-step concrete slab calculation with the cubic yard formula, waste factors, and when bags beat ready-mix. Real math, no fluff.",
      "date_published": "2026-04-05T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/stair-calculator-rise-run-stringer-layout",
      "url": "https://sitecalcapp.com/blog/stair-calculator-rise-run-stringer-layout",
      "title": "Stair Calculator: Rise, Run, and Stringer Layout",
      "summary": "Stair calculator math for rise, run, and stringer layout. IRC R311.7 code limits, Pythagorean stringer length, and the mistakes that fail inspections.",
      "date_published": "2026-04-05T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/voltage-drop-calculator-nec-formula",
      "url": "https://sitecalcapp.com/blog/voltage-drop-calculator-nec-formula",
      "title": "Voltage Drop Calculator: The NEC Formula and How to Use It",
      "summary": "Voltage drop calculator formula from the NEC with worked examples, wire gauge data, and correction factors for single-phase and three-phase circuits.",
      "date_published": "2026-04-05T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/construction-calculator-app-vs-construction-master-pro",
      "url": "https://sitecalcapp.com/blog/construction-calculator-app-vs-construction-master-pro",
      "title": "SiteCalc vs Construction Master Pro Comparison",
      "summary": "Side-by-side comparison of SiteCalc and Construction Master Pro calculator apps. Pricing, features, calculator count, and what each does better.",
      "date_published": "2026-04-04T00:00:00.000Z",
      "tags": [
        "comparison"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/how-to-size-wire-for-a-circuit",
      "url": "https://sitecalcapp.com/blog/how-to-size-wire-for-a-circuit",
      "title": "How to Size Wire for a Circuit",
      "summary": "NEC 310.16 ampacity table explained, voltage drop formula, and when to upsize wire. Practical guide for electricians and DIYers.",
      "date_published": "2026-04-03T00:00:00.000Z",
      "tags": [
        "trade"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/stud-count-calculator-how-many-studs-do-i-need",
      "url": "https://sitecalcapp.com/blog/stud-count-calculator-how-many-studs-do-i-need",
      "title": "Stud Count Calculator: How Many Studs Do I Need?",
      "summary": "Calculate wall studs for any layout. Spacing formula, corners, king and jack studs for openings, plates, and blocking. The full count.",
      "date_published": "2026-04-02T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/how-to-calculate-roof-area-from-pitch",
      "url": "https://sitecalcapp.com/blog/how-to-calculate-roof-area-from-pitch",
      "title": "How to Calculate Roof Area from Pitch",
      "summary": "Pitch multiplier table, footprint-to-actual-area formula, and how to figure squares for roofing. Every roofer needs this math.",
      "date_published": "2026-04-01T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/rebar-spacing-calculator-how-much-rebar-for-a-slab",
      "url": "https://sitecalcapp.com/blog/rebar-spacing-calculator-how-much-rebar-for-a-slab",
      "title": "Rebar Calculator: How Much Rebar for a Slab",
      "summary": "Calculate rebar quantity for concrete slabs. Spacing in both directions, bar weight, lap splice lengths, and ACI 318 references.",
      "date_published": "2026-03-31T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/how-to-size-a-header-irc-table",
      "url": "https://sitecalcapp.com/blog/how-to-size-a-header-irc-table",
      "title": "How to Size a Header (IRC Table R602.7)",
      "summary": "IRC header sizing for residential construction. Full R602.7 table explained, load conditions, snow load, and why your 2x6 might fail.",
      "date_published": "2026-03-30T00:00:00.000Z",
      "tags": [
        "trade"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/drain-pipe-sizing-ipc-dfu-table",
      "url": "https://sitecalcapp.com/blog/drain-pipe-sizing-ipc-dfu-table",
      "title": "Drain Pipe Sizing with DFU Tables (IPC 710.1)",
      "summary": "How to size drain pipes using DFU values from IPC Table 709.1 and pipe sizing from IPC 710.1. Slope requirements and fixture counts.",
      "date_published": "2026-03-29T00:00:00.000Z",
      "tags": [
        "trade"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/construction-calculator-no-subscription",
      "url": "https://sitecalcapp.com/blog/construction-calculator-no-subscription",
      "title": "Construction Calculators Without Subscriptions",
      "summary": "Why subscription pricing for construction calculator apps is wrong, and what the backlash against Construction Master Pro's model means.",
      "date_published": "2026-03-28T00:00:00.000Z",
      "tags": [
        "comparison"
      ]
    },
    {
      "id": "https://sitecalcapp.com/blog/voice-input-construction-calculator",
      "url": "https://sitecalcapp.com/blog/voice-input-construction-calculator",
      "title": "Voice Input for Construction Calculators",
      "summary": "How SiteCalc's voice input parses spoken dimensions, strips filler words, and handles fractions. Why it matters on a job site.",
      "date_published": "2026-03-27T00:00:00.000Z",
      "tags": [
        "guide"
      ]
    }
  ]
}