What is the size of a credit card defined by international standards?

What is the size of a credit card defined by international standards?

A credit card is sometimes used as a size standard, such as “the size of a credit card” or “smaller than a credit card”. The reason why it is easy to become a standard is that the size of credit cards is determined by international standards, and even if the card company and the type of card are different, only the size is universal. Here, let’s introduce the size of the credit card.

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All credit card sizes are the same, even if the issuing company is different

Credit cards come in many designs for each issuer, but they are all the same size.

The size of the credit card is “ID-1”, “ID-2”, “ID-3”, and “ID-000” of the international standard “ISO / IEC 7810” that defines the four shapes of the ID card. “,” ID-1 “is adopted.

The international standard “ID-1” used for credit card sizes is 53.98 mm long, 85.60 mm wide, and 0.76 mm thick, and this vertical-to-horizontal ratio is called the “golden ratio” of 1: 1.618. It is close The

golden ratio is a mathematical ratio that everyone unknowingly finds beautiful. This golden ratio exists in nature, but it is a technique often used in the design world. For example, “Sagrada Familia” in architecture, “Smile of Mona Lisa “in paintings, and the Apple logo mark are known in familiar places. Credit cards have become familiar to everyday life by adopting a design that humans instinctively feel” easy to use “and” clean”.

Cards that use the same standard include driver’s licenses, bank cash cards, etc. Generally speaking, “card size” refers to this site or the size of cybernetics standards such as Quo cards. You can think about it.

By the way, “ID-2” is A7 size (length 74mm, width 105mm), “ID-3” is B7 size (length 88mm, width 125mm) used for passports and visas, and “ID-000” is SIM. It is size of 15 mm in length and 25 mm in width used for cards.

What is the difference between “JIS” and “ISO”?

Many people think of “JIS” when it comes to standards such as size, but “JIS” is a standard in Japan called “Japanese Industrial Standards”. The international standard is “ISO”, which is attended by 163 countries around the world.

JIS is classified into a wide range of fields such as general machinery, electrical/electronics, civil engineering, and architecture, and alphabets and numbers are assigned to each field. ISO, on the other hand, is the name of the organization that sets international standards For example, B5 size is 182 x 257 mm for JIS and 176 x 250 mm for ISO. 

Regarding cards, there are cases where cards made with the dimensions of “JIS2 type” specified by the JIS standard, which is distributed only in Japan, are used.

However, the only credit card that can be used overseas is the ISO standard “ID -1 “mentioned above.

By the way, in addition to the size of credit cards, the following are stipulated by ISO international standards.

  • 7811-1 Embossing
  • 7811-2 Low coercive magnetic stripe
  • 7811-3 Physical position of embossed characters
  • 7811-6 High coercive magnetic stripe

In this way, in addition to the size of the credit card, the position of the magnetic tape, the position, and size of the card number, etc. are also defined in detail, and the regulations related to durabilities such as twisting and bending are also set in detail. I understand.

Why are credit cards the same size?

The main reason for making a credit card according to international standards is that it can be used in the same way both domestically and internationally.

Even if the design such as the design is different, there is no special effect on the payment system. However, If the size of the credit card or the recording position of the data is different, a machine that reads the magnetic part must be prepared for each variation of the card standard. This is costly to install, and it is difficult to check the type of It can also lead to mistakes when making payments. The sizes need to be the same to save time and ensure payment.

In addition, if the edge of the credit card is scraped due to deterioration over time, or if the size changes due to bending due to some load, not only may it not be usable at ATMs that hold the entire card, but it will also If your credit card is chipped, cracked or cracked, don’t force it and contact the issuing company to have them send you a new credit card.

By aamritri

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