Image sizing · 3 min read
Pixels to Print Centimetres: the method, worked through
Pixel count becomes a physical print dimension only when paired with an image density.
30 illustrated guides
Production notes
Work through the formula, compare a few scenarios and know where the model stops.
Image sizing · 3 min read
Understanding print centimetres to pixels
A physical output target determines the minimum whole-pixel dimension at a selected density.
Image sizing · 3 min read
Effective Image PPI: from inputs to a useful answer
Effective resolution depends on how large an image is placed on the page.
Image sizing · 3 min read
A practical guide to enlarged image ppi
Enlarging a placed image spreads its existing pixels over more physical space.
Image sizing · 3 min read
How image megapixels works
Total pixel count describes the size of a rectangular raster grid.
Image sizing · 3 min read
Aspect Ratio Target Width: the method, worked through
A proportion connects the desired width to a known height.
Image sizing · 3 min read
Understanding aspect ratio target height
Keeping an aspect ratio avoids stretching a composition during resizing.
Image sizing · 3 min read
Proportional Resize Height: from inputs to a useful answer
A width-led resize preserves the original relationship between horizontal and vertical dimensions.
Page setup · 3 min read
A practical guide to bleed document width
Bleed extends artwork beyond both cut edges, increasing the total document width.
Page setup · 3 min read
How bleed document height works
The top and bottom bleed areas add to the trimmed height.
Page setup · 3 min read
Live Area Width: the method, worked through
The live area is the horizontal space remaining after margins are removed.
Page setup · 3 min read
Understanding live area height
Vertical margins define the available content height within a page.
Layout grids · 3 min read
Column Width: from inputs to a useful answer
Equal columns divide the usable width after the gaps between columns are removed.
Layout grids · 3 min read
A practical guide to grid gutter width
A target column width leaves the remainder to be shared by internal gutters.
Typography · 3 min read
How baseline line count works
A baseline interval gives a rough count of full line boxes in a fixed-height frame.
Typography · 3 min read
Leading from Font Size: the method, worked through
A proportional leading rule gives a starting line spacing for a text style.
Typography · 3 min read
Understanding leading percentage
Expressing leading relative to font size makes spacing systems easier to compare.
Typography · 3 min read
Points to Millimetres: from inputs to a useful answer
A PostScript point is one seventy-second of an inch.
Typography · 3 min read
A practical guide to millimetres to points
Converting a physical measurement into points supports page-layout settings.
Typography · 3 min read
How picas to points works
One pica contains twelve points in modern publishing measurement.
Typography · 3 min read
Tracking Width Change: the method, worked through
Tracking adds spacing across the gaps in a run of characters, often in thousandths of an em.
Typography · 3 min read
Understanding modular type scale
A modular scale generates related sizes from one base and a repeated ratio.
Typography · 3 min read
Text Block Height Estimate: from inputs to a useful answer
Counting full line boxes provides a rough vertical allocation for body text.
Typography · 3 min read
A practical guide to characters per line estimate
An average glyph-width assumption estimates text capacity across a measure.
Print quantities · 3 min read
How sheets for page count works
A physical sheet can carry multiple logical pages depending on imposition and duplexing.
Print quantities · 3 min read
Saddle-Stitch Page Padding: the method, worked through
A simple folded-sheet booklet needs a page count divisible by four.
Print quantities · 3 min read
Understanding signature count
A signature groups a fixed number of pages into a folded section.
Paper · 3 min read
Paper Sheet Weight: from inputs to a useful answer
Grammage gives mass per square metre, so sheet area determines nominal weight.
Paper · 3 min read
A practical guide to paper stack weight
Stack mass follows single-sheet mass times count.
Paper · 3 min read
How paper stack thickness works
Caliper directly estimates the height of a stack of sheets.
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