Standard sizing systems for clothing


Standard sizing systems for clothing developed by different countries. Differences among the systems and standards of different countries, the development of the systems according to the evolution of the shape of the human body and their usage in the clothing industry.

Alternative labels

standard sizing for wearing apparel
sizing systems for wearing apparel
sizing systems for garments
standard sizing for garments
sizing systems for clothing

Skill type


Skill reusability level


Relationships with occupations

Essential knowledge

Standard sizing systems for clothing is an essential knowledge of the following occupations:

Protective clothing apparel manufacturer: Protective clothing apparel manufacturers produce personal protective equipment (PPE) made of textiles. They produce wearing apparel resistant to different hazards (e.g. thermal, physical, electrical, biological, and chemical, etc.), high visibility warming clothing, protective against cool, cold, rain, UV solar radiation, etc. They follow standards and assess the fulfillment of requirements.
Warehouse operator for clothing: Warehouse operators for clothing are in charge of storing textile fabrics, accessories and components for clothing production. They ensure that all the components necessary for the production of clothing are ready to use in the production chain by classifying and registering the purchased component, forecasting purchases and distributing them across different departments.
Clothing product grader: Clothing product graders produce patterns in different sizes (i.e. scaled-up and scaled-down) to reproduce the same wearing apparel in different sizes. They draft patterns by hand or using software following size charts.
Wearing apparel patternmaker: Wearing apparel patternmakers interpret design sketches and cut patterns for all kinds of wearing apparel using various handtools or industrial machines complying customer requirements. They make sampling and prototypes in order to produce series of patterns of wearing apparel in different sizes.
Digital prototyper: Digital prototyper transform paper pattern into digital form using special computer software. They operate and monitor machines which make different products related to clothing.
Dresser: Dressers assist and support artists before, during and after the performance to ensure the performers costumes are in line with the artistic vision of the director and the artistic team. They ensure the costume quality, maintain, check and repair costumes and assist with quick costume changes.

Clothing technologist: Clothing technologists work on the design, development and production of textile and apparel products. They carry out a range of technical, investigative and quality control work to ensure the end product (from clothing to household up to industrial textiles). They perform to specifications, improve production efficiency and quality while liaising with those involved in the production process. They liaise with designers, adapt designs to suit production methods, make and size pre-production garments, source fabrics and accessories, undertake quality evaluations of materials and check the quality of the final product, and consider ecological aspects.
Clothing quality inspector: Clothing quality inspectors inspect manufactured components, ready-made garments in order to ensure compliance with quality standards and to identify defects or deviations from specifications and in order to classify them according to their quality. They inspect, test products, parts and materials for conformity with specifications and standards. They ensure all work produced meets or exceeds the department’s quality standards.
Dressmaker: Dressmakers design, make or fit, alter, repair tailored, bespoke or hand-made garments from textile fabrics, light leather, fur and other material for women and children. They produce made-to-measure wearing apparel according to customer’s or garment manufacturer’s specifications. They are able to read and understand size charts, details surrounding finished measurements etc.
Clothing CAD patternmaker: Clothing CAD patternmakers design, adjust and modify patterns for all kinds of wearing apparel using CAD systems. They check laying variants using nesting modules of the CAD system and material consumption. Once the sample model has been approved for production, these professionals make series of patterns (grading) to produce a range of the same wearing apparel models in different sizes.
Clothing CAD technician: Clothing CAD technicians use software to create design plans for clothing products. They work in 2D design which is known as surface modelling, or 3D design which is called solid modelling. They use surface modelling to draw a flat representation of the clothing product. In solid modelling, they create a 3D display of a structure or component in order to take a virtual look of the clothing product.
Clothing cutter: Clothing cutters mark, cut, shape, and trim textile or related materials according to blueprint or specification in the manufacture of wearing apparel.
Tailor: Tailors design, make or fit, alter, repair tailored, bespoke or hand-made garments from textile fabrics, light leather, fur and other material, or make hats or wigs for men. They produce made-to-measure wearing apparel according to customer’s or garment manufacturer’s specifications. They are able to read and understand size charts, details surrounding finished measurements etc.
Clothing sample machinist: Clothing sample machinist create the first made-up sample of a garment design. They resolve regarding the makeup of garments taking into consideration bulk production to ensure sealing samples are ready on time.
They press finished garments and make quality control checks. 
Clothing fashion designer: Fashion designers create concepts and make sketches by hand or using softwares of their creative ideas. They analyse and interpret fashion trends in order to propose new ideas with high aesthetical value. They perform forecasting and market research to put together collections. They build collection lines by operating mood or concept boards, colour palettes, materials, drawings and sketches considering among others ergonomical criteria, etc.
Clothing alteration machinist: Clothing alteration machinists ensure the alteration of finished garments in line with business demands. They are responsible for the quality of any alterations or customisations and brand generic stock in line with customer branding guidelines.

Optional knowledge

Standard sizing systems for clothing is optional for these occupations. This means knowing this knowledge may be an asset for career advancement if you are in one of these occupations.

Clothing development manager: Clothing development managers define product concepts that are consistent with target consumer and overall marketing strategy. They receive scientific findings and specifications in order to lead the briefing and implementation of all relevant seasonal and strategic concepts, including distribution by channel, product, colour introductions, and merchandised assortments. They ensure realisation and execution within budget. They manage and execute the product line and category life cycle from concept determination through sales and distribution, contribution in research of market, industry trends to influence category concepts and products.
Clothing operations manager: Clothing operations managers schedule orders and delivery times in order to assure the efficient flow of the production system.




  1. Standard sizing systems for clothing – ESCO


Last updated on September 20, 2022