Endpaper Calculator
Endsheet dimensions from book block size and attachment method.
Inputs
Results
Sheet width (mm)
301
Sheet height (mm)
210
Sheet width (inches)11.85
Sheet height (inches)8.27
Sheets per book2
Total sheets needed2
Total area (cm²)1,264
Type NameSimple fold (tipped on)
Folded Width148
Folded Height210
Fits A3Yes
Fits A4No
How to Use This Calculator
- Enter the text block height and width in millimeters.
- Select the endpaper type: simple fold (tipped on), sewn in, or multi-section for fine binding.
- Enter the number of books to calculate total endpaper sheets needed.
- Read the sheet width and height in mm (and inches) — these are the cut dimensions for each endpaper sheet.
- Note that the sheet width is approximately twice the block width plus a hinge allowance for folding.
- Use the total area in cm² to estimate how much decorative or coordinating paper to purchase.
How the result changes with Book block width (mm)
| Book block width (mm) | Sheet width (mm) | Sheet height (mm) |
|---|---|---|
| 77 | 159 | 210 |
| 195 | 395 | 210 |
| 336 | 677 | 210 |
| 453 | 911 | 210 |
What each input means
- Book block height (mm)
- Height of the text block in mm.
- Book block width (mm)
- Width of the text block in mm.
- Endpaper type
- 1 = Simple fold (tipped on), 2 = Sewn in, 3 = Multi-section (fine binding).
- Number of books
- Number of books to prepare endpapers for.
What each result means
- Sheet width (mm)
- Width of each endpaper sheet before folding (2× block width + hinge).
- Sheet height (mm)
- Height of each endpaper sheet (equals block height).
- Sheet width (inches)
- Sheet width in inches.
- Sheet height (inches)
- Sheet height in inches.
- Sheets per book
- Number of endpaper sheets needed per book.
- Total sheets needed
- Total endpaper sheets for all books.
- Total area (cm²)
- Total paper area needed for purchasing.
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersBook block height (mm) = 210, Book block width (mm) = 148, Endpaper type = 1, Number of books = 1 = 4 input(s) provided
- Calculate Sheet widthSheet width = 2 * blockWidthMm + hingeAllowanceMm301 = 301
- Calculate Sheet height210 = 210
- Calculate Sheet widthSheet width = sheetWidth / 25.411.85 = 11.85
- Calculate Sheet heightSheet height = sheetHeight / 25.48.27 = 8.27
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