A brochure turns a single sheet into a sequence: cover, introduction, useful details and a next step. Choose the finished size and reading order before arranging the artwork. A brochure that fits the display rack but hides the phone number inside the wrong flap is still the wrong brochure.
Standard brochure sizes: flat sheet versus finished piece
Brochure size can mean the unfolded sheet or the closed piece. An 8.5 × 11 inch sheet folded in half along its 11-inch dimension finishes at 5.5 × 8.5 inches. An 11 × 17 inch sheet folded in half finishes at 8.5 × 11 inches. State both measurements when requesting a quote: for example, 11 × 17 flat, 8.5 × 11 finished, half fold.
A letter-size tri-fold starts with an 8.5 × 11 inch sheet and closes to approximately 3.67 × 8.5 inches. That is a planning dimension, not an artwork template: the fold-in panel usually needs a small allowance so it closes without buckling. Use the approved template for the chosen stock and fold. Measure the actual rack, holder or mailing envelope before deciding that a standard pamphlet size will fit.
Bi-fold, tri-fold and accordion panels
A bi-fold uses one fold and provides four printed panels across both sides. A tri-fold uses two folds and provides six. These are panels on one sheet, not six bound pages. If your content needs a long page sequence, compare a saddle stitch catalog instead of squeezing more copy into smaller brochure panels.
For a conventional C-fold tri-fold, a flap turns inward and the cover folds over it. A Z-fold alternates fold directions, creating an accordion. The layouts open differently, so artwork from one cannot simply be reused for the other. A four-panel accordion has three folds and eight printable panel faces; confirm that format and its template before designing it.
Make a folded proof before sending the file
Print a rough copy on office paper, mark the cover and back, and fold it in the intended order. Number the panels on this temporary proof to catch an upside-down back or a contact panel hidden behind a flap. Send the production artwork without those temporary labels unless they are part of the design.
Use a broad uninterrupted spread for photography, floor plans or a service comparison. Use shorter panels for an introduction, three services and a clear call to action. Keep text away from folds and trim edges; extend backgrounds to the bleed line in the approved template. Do not place a face, a QR code or small type across a fold.
Paper and ordering for a real use
Gloss, matte-coated and uncoated papers have different surfaces. A low-glare matte coating is not automatically a writable surface; test the exact stock if customers will fill in a form. Heavier papers may need scoring and a different fold allowance. Ask for available stock and finishing together, rather than treating every coating as an option on every paper.
For brochure printing in Los Angeles, send the flat and finished sizes, fold style, quantity, delivery date and artwork. Include the holder or envelope dimensions if fit matters. Pair the brochure with rack cards for a short counter message or browse the marketing materials catalog for a coordinated campaign.