Event badge printing: badge sizes, printers and an on-site workflow that avoids queues
Name badges look like a small detail until 800 people arrive in the same half hour. The choices you make weeks before — badge size, printer, layout and whether you pre-print or print on demand — decide how fast your desk runs. Here is what we learned printing badges for international congresses and corporate events.
Pre-printing vs printing on demand
Pre-printing means printing every badge before the event, sorting them alphabetically and handing them out. It feels safe, but it has real costs: badges for people who never come (often 10–20% of registrations), misspellings that need reprinting anyway, and a long search through boxes at the busiest moment.
Printing on demand means the badge is printed the moment the attendee checks in — by scanning their QR ticket at a staff desk or a self check-in kiosk. You only print badges for people who actually arrive, last-minute changes are already on the badge, and nobody searches through boxes.
A practical mix for large congresses: pre-print badges for speakers, VIPs and staff (so they can be handed over personally), and print everyone else on demand.
Common badge sizes
| Size | Typical use |
|---|---|
| A6 (105 × 148 mm) | The classic congress badge in a lanyard holder; room for name, organisation, country and category |
| 4 × 6 in (about 102 × 152 mm) | Standard size for thermal label printers; similar to A6 |
| 4 × 3 in (about 102 × 76 mm) | Compact badges and stickers for one-day events |
| CR80 card (86 × 54 mm) | Credit-card format on PVC; durable, for multi-day events and staff — needs a card printer |
Choose the size first, then the printer and badge stock that match it — and order the holders or lanyards in the same size.
Which printer?
Thermal label printers
The workhorse of on-demand badge printing. They print fast, need no ink or toner, and use rolls of labels or fanfold badge stock. Direct thermal printers are simplest and cheapest per badge, but print in black only and the print can fade with heat and sunlight over months — fine for a 3-day congress. Thermal transfer printers use a ribbon and last longer.
Office laser and inkjet printers
You can print badges on pre-perforated sheets (for example A4 with two A6 badges) on an ordinary office printer. Good for small events and for colour, but slower and more fiddly at a busy desk — paper jams at 8:45 are not fun.
PVC card printers
Print plastic cards like an ID card. Durable and premium, but slower and more expensive per badge; best for staff, exhibitors and multi-day events where badges are reused.
Tip: whatever you choose, bring a spare printer or at least a spare power cable and stock. A single printer without a backup is the most common single point of failure at a registration desk.
What to put on the badge
- First name large — readable from two metres. It is the part people actually look at.
- Last name, organisation and country smaller.
- Category (Delegate, Speaker, Sponsor, Press, Staff) as a coloured band, so security and staff see it at a glance.
- A QR code with the attendee’s ticket code, for session scanning, lead retrieval by exhibitors and re-printing.
- The event logo and name — but don’t let them take the space the name needs.
Test the longest names in your list. Double surnames and long organisation names are where layouts break.
An on-site workflow that avoids queues
- Send QR tickets in advance. Every attendee gets a personal QR code by email and on their phone.
- Door scanners check people in with a phone or tablet and show green, amber or red — no personal data on screen.
- Staff desks search, register walk-ins, fix names and print badges in one click.
- Self check-in kiosks let attendees scan their own ticket and collect a freshly printed badge.
- A live arrivals view shows when the queue is building, so you can open another desk.
Roughly, one staff desk with a printer handles a couple of guests per minute, and a door scanner several per minute. Count your expected peak — usually the 30 minutes before the first session — and plan stations to match.
Checklist for badge day
- Badge layout printed and checked on the real printer and stock.
- Printer drivers installed, paper size set, margins removed.
- Spare stock, ribbon (for thermal transfer) and a backup printer.
- Holders and lanyards in the right size and enough quantity.
- A few blank badges and a marker for emergencies.