Free Sheet Imposition Calculator

How items per sheet is calculated

The usable area is the sheet minus the margin on every edge. The number of columns is how many items plus gutters fit across that width, and the same for rows. The calculator tries the item both ways round and picks the orientation that fits more.

Worked example: business cards on 13 × 19

Standard 3.5 × 2 in business cards with a 0.125 in gutter and 0.25 in margin fit 24 per sheet as entered (3 × 8), or 25 rotated (5 × 5). For 500 cards you need 20 sheets.

Tips for a better layout

• Include bleed in the item size if each item has its own bleed.
• Use a zero gutter with shared cut lines when your finishing allows it.
• Check your press's gripper and non-printable edge and set the margin to match.

Decide which margins and gaps the press can actually use

Measure the area left after the feed or gripper edges, any control marks, and required registration space. The tool uses one equal margin on every side. If your press reserves different space on different edges, enter the actual usable rectangle as the sheet size and set the margin to zero. Put bleed in the item width and height once, then enter any additional space needed between those bleed boxes.

Read the two counts as separate layouts. The tool tests a uniform grid in the orientation you entered and another with every item rotated. A mixed grid can achieve a different count, but it may require extra cuts or cause layouts to run against the required grain. Before making a press file, confirm that the operator can trim, orient, and duplex the proposed arrangement.

Convert the layout into a stock plan

Divide the finished quantity by pieces per sheet and round up. Add setup and spoilage separately based on your shop’s actual experience. If the 500-card example uses 20 good sheets and you set aside three for setup plus two more for likely rejects, start with 25 physical sheets. A sellable count and a press count should be recorded separately so stock and quotes use the right denominators.

The waste percentage measures area left outside the job’s occupied footprints across the minimum sheets, including space in the last partial sheet. It does not predict paper rejected during production. If the material has contrasting front and back faces or a direction-sensitive grain, proof the entire layout on one duplex sheet. For a common reference, compare the SRA3 example or the Letter business card layouts before changing your template.

Measure the folded, trimmed, or cut piece after testing at actual size. If every piece needs separate bleed, allow enough cut space between items. A shared cut line is useful only when the adjoining artwork and your cutting method permit it. The calculator estimates the grid but the physical test confirms the layout is usable.