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Standards

What is a standard?

A standard is a document that provides requirements, specifications, guidelines or characteristics that can be used consistently to ensure that materials, products, processes and services are fit for their purpose. We published over 19 500 International Standards that can be purchased from the ISO store or from our members.

What are the benefits of ISO International Standards?

ISO International Standards ensure that products and services are safe, reliable and of good quality. For business, they are strategic tools that reduce costs by minimizing waste and errors, and increasing productivity. They help companies to access new markets, level the playing field for developing countries and facilitate free and fair global trade.

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ISO standards in action

We also have information about how ISO standards work in the real world. For example, ISO Standards in action: Water explains how ISO standards help solve the global water challenge.

Learn more about ISO standards in action

How to find a standard?

ISO has over 19 500 International Standards covering almost all aspects of technology and business. All standards can be found in the ISO store.

ISO Store

To find a standard, please search or browse the ISO catalogue.



Or, visit the ISO Store for details of best selling standards and publications, and customer service support.

Popular standards

ISO 9000 - Quality management

Make sure your products and services meet customers' needs with this family of standards.

Learn more about ISO 9000

ISO 14000 - Environmental management

Improve your environmental performance with this family of standards.

Learn more about ISO 14000

ISO 3166 - Country codes

Avoid confusion when referring to countries and their subdivisions with this standard.

Learn more about ISO 3166

ISO 22000 - Food safety management

Inspire confidence in your food products with this family of standards.

Learn more about ISO 22000

ISO 26000 - Social responsibility

Help your organization to operate in a socially responsible way with this standard.

Learn more about ISO 26000

ISO 50001 - Energy management

Make energy savings and help make your organization more efficient with this standard.

Learn more about ISO 50001

ISO 31000 - Risk management

Manage risks that could be negative for your company’s performance with this standard.

Learn more about ISO 31000

ISO 4217 - Currency codes

Avoid confusion when referring to world currencies with this standard.

Learn more about ISO 4217

ISO 639 - Language codes

Describe languages in an internationally accepted way with this standard.

Learn more about ISO 639

ISO 20121 - Sustainable events

Manage the social, economic and environmental impacts of your event with this standard.

Learn more about ISO 20121

ISO 27001 - Information security

Ensure your organization's information is secure with this family of standards.

Learn more about ISO 27001