Flexo Plate Area & Cost Calculator
Estimate total plate area and billed cost for any flexo job. Enter plate dimensions, set size, and your shop's $/m² or $/in² rate — works for label, flexible packaging, folding carton, and corrugated.
Across-web dimension of the plate sheet.
Down-web / repeat dimension. Use the imager sheet size, not just the artwork.
4 = CMYK · 6 = CMYK + 2 spots · 8 = CMYK + 4 spots.
Your shop's plate area rate. Toggle area unit above to switch between $/m² and $/in².
Some shops bill a floor per plate so very small plates aren't under-priced. Leave blank if you bill geometric area only.
Estimates only. Real invoices typically also include proofing, mounting, shipping, and any rework — Flexoworks captures all of these on the job ticket so the final invoice matches what the plate room actually produced.
Why prepress trade shops bill by plate area
Plate area is the closest single number to the actual work — it tracks raw photopolymer cost, imaging time on the CDI, exposure and washout time, and the physical surface that ends up mounted on the press.
Charging per plate ignores small versus large jobs. Charging by time is hard to defend. Area is the convention every brand, converter, and trade shop already understands — so it's how invoices get reconciled without a meeting.
A = Width × HeightA_total = A × N_platesCost = A_total × Rate- Width × Height
- The imager sheet dimensions — not just the artwork. Stripped waste between images is part of the billed area.
- N_plates
- Plates in the color set. CMYK = 4. Add one per spot color or opaque white.
- Rate
- Your shop's plate-area rate. Varies by plate type (DPR / DSP / ESX / FAST) and region — Europe typically quotes m², North America mixes m² and in².
Many shops apply a minimum billed area per plate so very small jobs aren't under-priced. Real invoices also bundle proofing, mounting, shipping, and any rework — capture them on the job ticket so the line items match the work.
Typical plate set sizes by segment
A starting point for estimates. Your real plate set depends on the artwork, press repeat, and how many spots / opaques the brand specs.
| Segment | Plate set | Plates | Width (mm) | Height (mm) | Notes |
|---|---|---|---|---|---|
| Narrow-web label | CMYK | 4 | 300–450 | 300–600 | 1.14 mm or 1.70 mm digital plate |
| Narrow-web label, branded | CMYK + 2 spots + opaque white | 7 | 300–450 | 300–600 | Common for cosmetic and beverage labels |
| Mid-web flexible packaging | CMYK + 2 spots | 6 | 800–1200 | 600–900 | 1.70 mm digital plate, typical for film |
| Wide-web flexible packaging | CMYK + 4 spots | 8 | 1270×2032 (max) | 1270×2032 (max) | Plate sheet sized to imager bed (e.g. 50×80 in) |
| Folding carton | CMYK + 2 spots | 6 | 1000–1320 | 800–1100 | 2.84 mm or 3.18 mm plate |
| Pre-print corrugated | CMYK | 4 | 1320–1650 | 1100–1400 | 3.94 mm plate, very large area per plate |
| Post-print corrugated | CMYK + 2 spots | 6 | 1500–2500 | 1100–1400 | 6.35 mm plate, lowest $/m² but highest material |
Imager bed sizes vary — Esko CDI Spark 4835 (48×35 in / 1219×889 mm), Crystal 5080 (50×80 in / 1270×2032 mm), Kodak Flexcel NX Wide (42×60 in / 1067×1524 mm). Always size the plate sheet to the imager, not just the artwork.
Plate area billing, explained
Why do flexo trade shops bill by plate area instead of per plate?
Plate area is the closest single number to actual work and material — raw photopolymer cost, imager time, exposure / washout time, and the surface mounted on press all scale with area. Per-plate flat fees over-bill small jobs and under-bill large ones. Area pricing is the standard every brand and converter already understands, which makes invoices easy to reconcile.Should I bill the artwork area or the full plate sheet?
Bill the full plate sheet. The shop pays for the entire sheet of photopolymer it cuts — stripped waste between images is real material that hits the imager bed. The convention is to bill the rectangular bounding box of the imaged plate, which matches what's mounted, washed out, and shipped.What's a typical plate area rate?
US flexo trade shop rates typically run $0.25–$0.85 per square inch (≈ $400–$1,300 per m²) — narrow-web label work and premium digital plates (Cyrel FAST, Kodak Flexcel NX) sit at the high end; mid-web flexible packaging and folding carton fall in the middle; wide-web flexible packaging and corrugated sit at the low end because plate sheets are much larger. Always quote against your own shop's costs — material, imager utilization, labor, and overhead — not a public benchmark.How many plates are in a typical set?
Process color is 4 plates (CMYK). Most flexible packaging and folding carton jobs add 2 spot colors for a set of 6. Branded label work often adds opaque white for film substrates, bringing CMYK + 2 spots + white to 7 or 8 plates. Pre-print corrugated is often CMYK only for cost reasons.Should I include proofing, mounting, and shipping in the area cost?
No — those are separate line items on most invoices. Plate area covers the imaged plate. Color-managed proofs (Epson, GMG, Esko) are billed per proof or per page. Mounting (sleeve or carrier) is typically per plate or per sleeve. Shipping is at cost. Bundling them into the $/m² rate makes pricing opaque and harder to defend on rebills.What about minimum billing?
Most shops apply a minimum billed area per plate (commonly 0.10–0.40 m² depending on the plate type) so small label or step-and-repeat jobs aren't under-priced relative to the imager and washout time they consume. Add it to the calculator above to see the floored cost.How does Flexoworks fit in?
Flexoworks is the MIS / ERP for flexo prepress trade shops. The calculator gives you a quick estimate; Flexoworks captures plate gauge, sheet size, set count, and rate on the job ticket — so the plate area on the invoice matches what the step-and-repeat actually produced, and proofing, mounting, and shipping are tracked as their own line items, not folded into a fuzzy plate rate.
The plate area on the invoice should match the plate area on the press.
Flexoworks captures plate gauge, sheet size, and set count on the job ticket — so the area billed matches what the imager and washout actually produced, and proofing, mounting, and shipping are tracked as their own line items.