Half-size plan sets: what they cost, what they save, and who can actually use them
Half-size sets are the cheapest way to get more copies of a plan set into more hands, and a lot of firms don’t order them because they aren’t sure who’ll accept them. Here’s the pricing and the rules of thumb.
What “half-size” means
An ARCH D sheet is 24×36. Printed at 50%, it becomes 12×18 — that’s ARCH B, and it’s the true half-size. 11×17 (ledger) is close, about 46%, and many firms use it because it fits a standard copier tray and a 3-ring binder. Both come off the same PDF; you just choose the sheet and “Print at 50%” on the order form.
The prices
| Sheet | Per sheet, B&W | vs full-size ARCH D |
|---|---|---|
| ARCH D 24×36 (full) | $2.00 | — |
| ARCH B 12×18 (true half) | $0.75 | 37.5% |
| Ledger 11×17 | $0.35 | 17.5% |
On a 24-sheet set, three copies (72 sheets, so 10% volume discount applies):
| ECB | FedEx Office | Staples | Plans4Less | |
|---|---|---|---|---|
| Full-size ARCH D × 3 | $129.60 free shipping | $503.28 | $324.00 | $126.00 + shipping |
| ARCH B 12×18 × 3 | $48.60 + $15 = $63.60 | quoted | quoted | check site |
| Ledger 11×17 × 3 | $22.68 + $15 = $37.68 | ~$1–$1.50/sheet ≈ $72–$108 | ~$0.75/sheet ≈ $54 | check site |
Big-box counters generally treat 11×17 as an ordinary copy job, so their ledger pricing is much closer to ours than their large-format pricing is; that’s the one place where the gap narrows.
The mixed order most firms should place
Three full-size sets for the permit desk and the superintendent, and four or five half-size for subs, the owner, the office, and the file:
| Line | Cost |
|---|---|
| 24 sheets ARCH D × 3 (72 sheets, discounted) | $129.60 |
| 24 sheets ARCH B × 5 (120 sheets, discounted) | $81.00 |
| Shipping (over $100) | free |
| Total for 8 sets | $210.60 |
Eight full-size sets would be $345.60. Same information, $135 less, and the half-size sets weigh a third as much when someone’s carrying them.
Who accepts half-size
Generally fine:
- Subcontractors pricing a bid (they’re measuring off the PDF anyway)
- Owners and developers reviewing progress
- Coordination meetings, especially with a projector or a full-size set on the table
- Office reference copies
- Lenders, insurers, and appraisers
Generally not:
- Permit submission — most NJ construction offices and NYC DOB require full-size; some accept half-size for very small jobs, ask first
- Anything that will be scaled with a rule in the field — a ¼″=1′ plan at half-size is ⅛″=1′, and the 3/32″ text on details becomes hard to read
- Stamped record sets and as-builts for the owner’s archive
- Anything a municipality or utility will mark up and return
A note on legibility
Half-size works when the original was drawn with reasonable line weights and text sizes. If the full-size set already has cramped 1/16″ text in the schedules, half-size will be unreadable there. Print one half-size sheet with a schedule on it first if you’re not sure; at $0.75 the test is cheap.
More worked examples on the pricing questions page, and the size reference is in the sheet sizes guide.
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Order by noon ET, ships same day. ARCH D from $2.00/sheet. Free UPS over $100.
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