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Layout is not design
Designing a business card means choosing the name, logo, colours and type that go on it. Laying out a sheet of business cards is a different job: it asks how many finished cards fit on one printed sheet, where the cut lines fall, and how much paper is wasted. This calculator answers the second question. It takes a card size, a sheet size, margins and gaps, and returns the grid: columns, rows, total cards per sheet and the share of the sheet actually used.
How to use this calculator
Enter the card width and height in millimetres, pick a sheet size such as A4 or US Letter, and set the margin the printer needs around the edge plus any gap between cards. The tool tries both orientations and keeps the one that fits more cards. It also draws a preview grid with dashed cut lines, so you can see the layout before you print. The preview is a planning aid, not a print file: export the real cut layout from your design software for production.
Why margins and gaps matter
Printers cannot print to the very edge of a sheet on most machines, so a margin of about 5 millimetres is normal, and some machines need more. Gaps between cards give the cutter room and stop cards from touching after the cut. Both eat space: on an A4 sheet, a 5-millimetre margin plus a 3-millimetre gap can easily cost you a whole row of cards compared with a zero-margin ideal. Enter the real numbers your printer specifies, not zero, or the layout will promise cards the machine cannot deliver.
Orientation can change everything
Rotating the cards by 90 degrees often fits more of them, because the sheet and the card rarely share the same proportions. A standard 85 by 55 millimetre card on A4 fits 2 columns by 5 rows upright, ten cards, but other card sizes gain a row or a column when rotated. The tool checks both orientations automatically and reports which one it used. If you need a specific orientation for the design, for example to keep a logo upright, test that orientation on its own and accept the lower count.
Bleed and the cards-per-sheet trap
Cards with colour running to the edge need bleed, usually 3 millimetres of extra artwork beyond the trim line, and the cutter needs a little tolerance too. Bleed does not change the card’s finished size, but it does change the spacing the printer needs between cards on the sheet, because neighbouring bleeds cannot overlap. If your cards have full-bleed colour, tell the printer and let them set the gap; a layout that ignores bleed will cut into the artwork of the next card.
From layout to print run
Once you know cards per sheet, the run math is easy: divide the number of cards you need by cards per sheet and round up to get sheets. Add a few extra sheets for setup, test prints and cutting waste, typically 5 to 10 percent. For a thousand cards at ten per sheet, that is one hundred sheets plus spares. Ordering exactly the calculated number is the most common beginner error; presses and cutters both waste a little, and spares are far cheaper than a second run.
Common mistakes
The most common mistake is confusing this layout job with card design and expecting one tool to do both; use a card designer for the artwork and this calculator for the sheet. Another is forgetting the printer’s margin and discovering the last row does not print. A third is ignoring bleed on full-colour cards. Set real margins, real gaps and real bleed, check the preview grid, and confirm the layout with your printer before the full run.
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