Type Specimen Sheet Calculator
Specimen layout metrics from family characteristics.
About this calculator
This calculator plans the layout of a printed type specimen sheet — the reference document type foundries and designers use to show a typeface across its full range of sizes. It starts from a fixed list of standard specimen point sizes (6, 7, 8, 9, 10, 11, 12, 14, 16, 18, 21, 24, 30, 36, 48, 60, 72, 96, 120, 144) and filters that list down to whatever falls between your chosen smallest and largest size — so the count of samples shown depends on which standard sizes land in your range, not on a simple interpolation. For each included size, it computes a block height: the sample's point size times your line-height ratio times lines-per-sample, plus a fixed 12pt caption label and an 8pt gap between samples.
Summing every sample's block gives total content height, which is divided by the usable page height (page height minus combined top/bottom margin) and rounded up to get pages needed — the division is rounded to six decimal places first to avoid floating-point rounding errors producing an extra unnecessary page. Characters-per-line at the largest size is a rough estimate assuming average character width is about 55% of the point size, applied against a fixed US Letter width of 612pt regardless of your page-height setting — so if you're planning for A4 or another format, treat that one figure as an approximation. This is a print-layout planning tool, not a substitute for actually setting the specimen in your page-layout software.
Inputs
Results
Sample sizes shown
17
How to Use This Calculator
- Enter Smallest size (pt), Largest size (pt), and Line-height ratio.
- Set Lines per sample, Page height (pt), and Total margin (pt).
- Review the Sample sizes shown result.
- Use Total content height (pt) and Total content height (in) to inform your decision.
How the result changes with Smallest size (pt)
| Smallest size (pt) | Sample sizes shown |
|---|---|
| 4 | 17 |
| 4.5 | 17 |
| 9 | 14 |
| 15 | 9 |
What each input means
- Smallest size (pt)
- Smallest point size to include in the specimen.
- Largest size (pt)
- Largest point size to include in the specimen.
- Line-height ratio
- Line-height multiplier for each sample paragraph.
- Lines per sample
- Number of text lines shown at each sample size.
- Page height (pt)
- Page height in points. US Letter = 792, A4 = 842.
- Total margin (pt)
- Combined top + bottom margin in points (1 inch = 72 pt).
What each result means
- Sample sizes shown
- Number of distinct point sizes displayed on the specimen sheet.
- Total content height (pt)
- Total vertical space needed for all samples in points.
- Total content height (in)
- Total content height converted to inches.
- Pages needed
- Number of pages required to fit all samples.
- Chars/line at largest size
- Approximate characters per line at your largest point size on a US Letter page.
- Usable page height (pt)
- Available vertical space per page after margins.
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersSmallest size (pt) = 6, Largest size (pt) = 72, Line-height ratio = 1.4, Lines per sample = 2 = 6 input(s) provided
- Calculate Sample sizes shownSample sizes shown17 = 17
- Calculate Total content height1466 = 1466
- Calculate Total content heightTotal content height = totalContentPt / 7220.36 = 20.36
Engine last updated . Checked against 3 independently-derived tests — how we verify calculators. Built by Paul Gunder, a software engineer, not a licensed financial, medical, or legal professional.
Frequently Asked Questions
Why doesn't the sample count change smoothly when I adjust the smallest or largest size?
The calculator draws from a fixed list of 20 standard specimen point sizes (6, 7, 8, 9, 10, 11, 12, 14, 16, 18, 21, 24, 30, 36, 48, 60, 72, 96, 120, 144) and simply filters that list to whatever falls within your chosen range, rather than generating sizes at even intervals. That means widening your range from, say, 10pt to 11pt adds exactly one more sample (11 is on the list), while widening from 12pt to 13pt adds none, since 13 isn't a standard specimen size.
Why is pages needed rounded up even when the content almost fits on fewer pages?
Pages needed uses total content height divided by usable page height, rounded to six decimal places first to eliminate floating-point rounding noise, then rounded up with a ceiling function — so even a fraction of a page's worth of overflow (say, 1.02 pages of content) requires a second physical page, since content can't be split mid-sample across pages in this model. If your content lands just over a page boundary, reducing lines-per-sample or the size range slightly can often bring it back to fitting on fewer pages.
Why is the characters-per-line estimate only accurate for US Letter paper?
The calculator hardcodes a 612pt page width (US Letter) when computing usable width for the characters-per-line estimate, regardless of what you've set for page height — so if you're planning for A4 (which is narrower than US Letter) or another format, that one figure will overstate how many characters actually fit per line. Every other output in this calculator, including pages needed and content height, correctly uses your page-height input.
What's included in each sample's block height besides the text itself?
Each sample's height is the point size times your line-height ratio times lines-per-sample (the actual type), plus a fixed 12pt for a caption label identifying the size and a fixed 8pt gap before the next sample — both fixed regardless of the sample's point size. That means smaller sizes get proportionally more of their allotted space consumed by the fixed label and gap overhead than larger sizes do.
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