Shoe size "Footwear - Sizing - Vocabulary and terminology"; currently in development are companion standards ISO/TS 19409 "Footwear - Sizing - Measurement of last dimensions" and ISO/TS 19410 "Footwear - Sizing - Inshoe measurement". The adult shoe sizes are calculated from typical last length, which is converted from foot length in mm by adding an allowance of two shoe sizes: where formula_13 is foot length in mm. Direct conversion between adult UK, European and Mondopoint shoe size systems is derived as follows: Exact foot lengths may contain repeating decimals because the formulas include division by 3; in practice, approximate interval steps of
ISO/IEC 27040 ISO/IEC 27040 is to provide security guidance for storage systems and ecosystems as well as for protection of data in these systems. It supports the general concepts specified in . This International Standard is relevant to managers and staff concerned with information security risk management within an organization and, where appropriate, external parties supporting such activities. The objectives for this International Standard are to: ISO/IEC 27040 provides specific, detailed implementation guidance relevant to storage security for the general security controls described in ISO/IEC 27002. This International Standard is not a reference or normative document for regulatory and legislative security requirements