Standard ID Card Size in mm, cm & Inches
National IDs, driver's licences, and access cards all share one universal standard — ISO/IEC 7810 ID-1 — identical in size to a credit card.
All Card Size Standards
| Card Type | Standard | mm | cm | inches | Note |
|---|---|---|---|---|---|
| Credit / Debit Card | ISO 7810 ID-1 | 85.60 × 53.98 | 8.56 × 5.40 | 3.370 × 2.125 | Visa, Mastercard, Amex |
| National ID Card | ISO 7810 ID-1 | 85.60 × 53.98 | 8.56 × 5.40 | 3.370 × 2.125 | Driving licence, gov ID |
| Access / Key Card | ISO 7810 ID-1 | 85.60 × 53.98 | 8.56 × 5.40 | 3.370 × 2.125 | Hotel, office, gym |
| Loyalty / Store Card | ISO 7810 ID-1 | 85.60 × 53.98 | 8.56 × 5.40 | 3.370 × 2.125 | Supermarket, rewards |
| Passport (ID-3) | ISO 7810 ID-3 | 125 × 88 | 12.5 × 8.8 | 4.92 × 3.46 | Passport booklet page |
| Visa Sticker (ID-2) | ISO 7810 ID-2 | 105 × 74 | 10.5 × 7.4 | 4.13 × 2.91 | A7 paper size |
| US Business Card | US Standard | 88.9 × 50.8 | 8.89 × 5.08 | 3.5 × 2.0 | Slightly wider than ID-1 |
| EU Business Card | ISO Standard | 85 × 55 | 8.5 × 5.5 | 3.35 × 2.17 | Nearly same as ID-1 |
Frequently Asked Questions
What is the standard ID card size?
Standard ID cards follow ISO/IEC 7810 ID-1: 85.60 mm wide × 53.98 mm tall × 0.76 mm thick. This is identical to credit and debit cards. National IDs, driver's licenses, and access cards all use this standard worldwide.
Is an ID card the same size as a credit card?
Yes — they are exactly the same size. Both use the ISO/IEC 7810 ID-1 standard: 85.60 × 53.98 mm. This is why you can use a credit card to calibrate our online ruler, and the result will also match your driver's licence or national ID.
What size is a passport?
A passport booklet uses the ISO 7810 ID-3 standard: 125 mm × 88 mm (12.5 cm × 8.8 cm or 4.92 × 3.46 inches). The visa sticker pages inside use ID-2: 105 × 74 mm.
What is ID-1, ID-2, and ID-3?
These are three ISO 7810 card size standards. ID-1 (85.60 × 53.98 mm) covers credit cards, IDs, and access cards. ID-2 (105 × 74 mm, A7 size) covers visa stickers. ID-3 (125 × 88 mm) covers passports and travel documents.
What is the corner radius of an ID card?
The ISO 7810 standard specifies a corner radius of 3.18 mm (about 1/8 inch). This applies to all ID-1 cards — credit cards, IDs, and access cards.