{
  "slug": "page-count-model",
  "title": "Cambric Page-Count Planning Model",
  "version": "1.0.0",
  "updated": "2026-07-09",
  "status": "planning-model",
  "methodology": "For each scenario, body pages equal word count divided by an assumed words-per-page range. Front matter, back matter, and chapter-opening allowances are added, then the result is rounded up to an even page count. The model is for production planning, not a promise of final pagination.",
  "limitations": [
    "Typography, paragraph length, dialogue density, headings, images, tables, footnotes, and chapter count can move the result materially.",
    "Words-per-page assumptions are transparent planning ranges, not measurements of Cambric exports or a representative sample of published books.",
    "The exported PDF page count is the only final page count for printing, cover-spine calculation, and platform submission."
  ],
  "sources": [],
  "columns": [
    {
      "key": "trim",
      "label": "Trim size"
    },
    {
      "key": "book_type",
      "label": "Book type"
    },
    {
      "key": "word_count",
      "label": "Word count",
      "unit": "words"
    },
    {
      "key": "words_per_page_low",
      "label": "Dense setting",
      "unit": "words/page"
    },
    {
      "key": "words_per_page_mid",
      "label": "Midpoint",
      "unit": "words/page"
    },
    {
      "key": "words_per_page_high",
      "label": "Open setting",
      "unit": "words/page"
    },
    {
      "key": "estimated_pages_min",
      "label": "Estimated minimum",
      "unit": "pages"
    },
    {
      "key": "estimated_pages_mid",
      "label": "Estimated midpoint",
      "unit": "pages"
    },
    {
      "key": "estimated_pages_max",
      "label": "Estimated maximum",
      "unit": "pages"
    }
  ],
  "rows": [
    {
      "trim": "5 × 8 in",
      "book_type": "fiction",
      "word_count": 50000,
      "words_per_page_low": 210,
      "words_per_page_mid": 255,
      "words_per_page_high": 295,
      "estimated_pages_min": 182,
      "estimated_pages_mid": 210,
      "estimated_pages_max": 252
    },
    {
      "trim": "5 × 8 in",
      "book_type": "fiction",
      "word_count": 80000,
      "words_per_page_low": 210,
      "words_per_page_mid": 255,
      "words_per_page_high": 295,
      "estimated_pages_min": 288,
      "estimated_pages_mid": 330,
      "estimated_pages_max": 398
    },
    {
      "trim": "5.25 × 8 in",
      "book_type": "fiction",
      "word_count": 50000,
      "words_per_page_low": 220,
      "words_per_page_mid": 265,
      "words_per_page_high": 305,
      "estimated_pages_min": 176,
      "estimated_pages_mid": 202,
      "estimated_pages_max": 240
    },
    {
      "trim": "5.25 × 8 in",
      "book_type": "fiction",
      "word_count": 80000,
      "words_per_page_low": 220,
      "words_per_page_mid": 265,
      "words_per_page_high": 305,
      "estimated_pages_min": 280,
      "estimated_pages_mid": 318,
      "estimated_pages_max": 380
    },
    {
      "trim": "5.5 × 8.5 in",
      "book_type": "fiction",
      "word_count": 50000,
      "words_per_page_low": 230,
      "words_per_page_mid": 275,
      "words_per_page_high": 320,
      "estimated_pages_min": 170,
      "estimated_pages_mid": 194,
      "estimated_pages_max": 230
    },
    {
      "trim": "5.5 × 8.5 in",
      "book_type": "fiction",
      "word_count": 80000,
      "words_per_page_low": 230,
      "words_per_page_mid": 275,
      "words_per_page_high": 320,
      "estimated_pages_min": 266,
      "estimated_pages_mid": 308,
      "estimated_pages_max": 364
    },
    {
      "trim": "6 × 9 in",
      "book_type": "fiction",
      "word_count": 50000,
      "words_per_page_low": 245,
      "words_per_page_mid": 295,
      "words_per_page_high": 340,
      "estimated_pages_min": 160,
      "estimated_pages_mid": 182,
      "estimated_pages_max": 218
    },
    {
      "trim": "6 × 9 in",
      "book_type": "fiction",
      "word_count": 80000,
      "words_per_page_low": 245,
      "words_per_page_mid": 295,
      "words_per_page_high": 340,
      "estimated_pages_min": 252,
      "estimated_pages_mid": 288,
      "estimated_pages_max": 344
    },
    {
      "trim": "5.5 × 8.5 in",
      "book_type": "narrative nonfiction",
      "word_count": 50000,
      "words_per_page_low": 210,
      "words_per_page_mid": 250,
      "words_per_page_high": 290,
      "estimated_pages_min": 194,
      "estimated_pages_mid": 220,
      "estimated_pages_max": 260
    },
    {
      "trim": "5.5 × 8.5 in",
      "book_type": "narrative nonfiction",
      "word_count": 80000,
      "words_per_page_low": 210,
      "words_per_page_mid": 250,
      "words_per_page_high": 290,
      "estimated_pages_min": 302,
      "estimated_pages_mid": 346,
      "estimated_pages_max": 408
    },
    {
      "trim": "6 × 9 in",
      "book_type": "narrative nonfiction",
      "word_count": 50000,
      "words_per_page_low": 225,
      "words_per_page_mid": 270,
      "words_per_page_high": 315,
      "estimated_pages_min": 180,
      "estimated_pages_mid": 206,
      "estimated_pages_max": 244
    },
    {
      "trim": "6 × 9 in",
      "book_type": "narrative nonfiction",
      "word_count": 80000,
      "words_per_page_low": 225,
      "words_per_page_mid": 270,
      "words_per_page_high": 315,
      "estimated_pages_min": 280,
      "estimated_pages_mid": 324,
      "estimated_pages_max": 382
    }
  ]
}