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Need of a Sizing System for Indian Apparel Industry

Research study on the requirement of a Sizing System exclusive to Indian Apparel Industry

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The research report here examines awareness among people about the Indian apparel sizing system in accordance with the universal sizing system. Also, a questionnaire provided at the end of the article would help people volunteering to collect anthropometric data on behalf of any organization.

One of the biggest challenges in the apparel segment is that the countries like UK, US, Europe have their sizing system but India still doesn’t have it. The purpose of the study is to identify the need for a sizing system for India. This research paper shows the lack of an accurate and standardized sizing system for readymade garments in India. Every brand in India follows its sizing chart which is based on the international sizing chart of readymade garments. Since our Indian body shapes are different from the international figures, international sizing systems-based garments fail to fulfil the need of our Indian customers.

Each brand has its understanding regarding Indian build and they create variation in the sizes according to their interpretation hence there are inconsistencies in sizes between brands which makes it difficult for the consumer to get their right fit and creates confusion regarding their right size. Consumers are forced to have alternations done every time they purchase cloth or else wear ill-fitting clothing. Research shows that the unavailability of a correct and standardized sizing system, targeting Indian people is a major issue.


The sizing system is a numerical table that represents the number of key values ​​used to classify the bodies encountered in the population. An anthropometric data-based measurement system (human measurement) is known as an anthropometric sizing system. Research into anthropometric sizing systems has been comprehensively done around the world for efficiency in apparel manufacturing. The structure of the sizing system is based on the division of targeted people into groups with similar body measurements.

Researchers in the field of clothing have long recognized the need for consistent and standard sizes for the varied population. Such a program aims to provide each individual with the appropriate balance of clothing. In addition, people in each size group are considered to have similar physical features and therefore can share the same size of clothing.

To develop a good measurement system, key sizes should take one measurement from a horizontal body size set (e.g., belt) and a set of precise body sizes (e.g., length or length).

Fig 1 For sample population (n = 2035), Correlation results of body dimensions
Fig 1: For sample population (n = 2035), Correlation results of body dimensions


Since the beginning of the dress code in the mid-1900s, there has been a need for definitions of clothing that differentiate body shape and size into different categories. This requires a systematic and scientific system for measuring and classifying human bodies, which is the purpose of creating a clothing scale. In addition, a good measurement system that leads to appropriate clothing should be based on anthropometric data. Clothing balance is defined as clothing with the right size and size. Having said that, the definition of clothing equality includes two items of size and shape. To get the right fit, you need to choose a dress that is the right size and shape. Sizes are based on the measurements of the human body. In addition, body composition is made by the depth, width, and length of the body.

Fig 2: How to measure
Fig 2: How to measure


The purpose of creating a bodybuilding program is to find a large number of size groups that will determine the shape and size of the most encountered people and to accommodate as many people in each situation and group as possible with the source – Clothing worn while allowing the manufacturer to make a profit.

Traditional measurement system

No two people have ever been alike in all of their measurable aspects. This difference has been a matter of curiosity and research for over 200 years. In the past, different people were more likely to express their limited body image. This method is called anthropometry. Anthropometry describes the size of a human body. The name is derived from Anthropos, meaning a person, and metrics, meaning or related to the equation.

It was not until the 1950s that anthropometrics became a popular discipline. Anthropometry usage settings include cars, workplaces, equipment, aeroplane cockpits, and clothing. For years, anthropometry has been used in national research as a measure of health status. Step-by-step testing has been the subject of research for a long time.

Reliability is defined as the degree to which a measure can be recovered over time. Reliability of scale has elements of accuracy and reliability. In both cases, accuracy is more important than reliability. However, issues of fidelity are often overlooked in problem-oriented research because of the impact of measurement error. Viewer error is the most troublesome source of anthropometric error. It includes ambiguity in the notable area, setting the title, and the use of the instrument. This error can be emphasized by the use of multiple observers even if they are trained by the same person and work collaboratively. Error limits are usually set before data collection while measurement performance is considered throughout the process against pre-set standards. Viewing errors in anthropometry are unplanned and uncommon. Therefore, traditional methods of measurement bodies need to be significantly improved.

Ancient anthropometric data provides details on the static size of the human body in a typical position. The science of anthropometry is one of the most accurate. Experienced workers in the field are best able to use this method. Most of the measurements taken from the article are considered to be in the most desirable position. Measurements are measured, if possible, in the morning. The human body usually loses its height during the day and is usually more relaxed in the morning. It is best if the subject is not fully clothed or has as little clothing as possible.

The traditional method of measurement

In most cases, the body of the title is placed in a fixed vertical position, the body parts being about 180, 0, or 90 degrees to each other. For example, a title may need to be “straight; heels together; buttocks, shoulder blades, and back of the head touching the wall; arms straight, fingers straight…”: This is close to the so-called “anatomical position” used in anatomy. The head is placed on “Frankfurt Flight”; Pupils are at the same level of horizontal, right traction (thought of ear piercing), and the lowest point of the right orbit (eye socket) is also placed in the same horizontal plane. When taking steps on a sitting head, the area (flat and straight) of the seat and foot support is arranged in such a way that the thighs are straight, the legs are straight and the feet are flat on their horizontal support. The subject is naked, however, and not clean.

Instruments have been used since Richer began using weapons in 1890. Simple, fast, non-invasive tools include a weight scale, a camera, a measuring tape, an anthropometer, a scattering calliper, a navigation compass, and a head panel.

Fig 3: Anthropometric tools
Fig 3: Anthropometric tools


Fig 4: Anthropometric tools usage
Fig 4: Anthropometric tools usage


3D Scanning Measurement System

Even after basic training, it is difficult for the average retailer to come up with specific rates. This is where 3D technology proves to be a blessing. The development of three-dimensional body scanning technologies has great potential for use in the clothing industry, especially to create custom or quantity techniques to be used.

3D body scanning is a technology that produces a 3D model by scanning. A man stands given the scanner while taking a picture of his body and producing 3D images in seconds. The scanner uses a series of light sensors to produce a 3D image. Images are taken in 360 degrees within a short time as well as body measurements and the human body image. This data is archived or processed according to need.

3D body scans and computer-generated images are used to customize many outfits, in which the consumer is measured in size, and with a computer-generated image displayed on a computer screen, he can choose a dress that suits his or her wishes.

Three-body scanning technologies are used in a variety of fields. A popular application for this scanning process is in the field of customization. People come in many shapes and sizes. This has created an equality problem. Manufacturers needed precise details to produce suitable clothing. Customizing clothes to fit well with the consumer depends on the availability of complete measurements. Advances in the field of Information Technology assists retailers and manufacturers with the 3D Body Scanning process. In this process, individual measurements can be obtained accurately and quickly. 3D scanned data contains standard measurements such as chest size, body size, circle, and complete 3-D data for each individual. These new technologies are changing the characteristics of the clothing industry.


The National Institute of Fashion Technology (NIFT) has launched a national study to measure the size of the development of the first chart for India, which will provide Indians with better clothing.

Mapping research will include basic data such as gender, location and age. The first phase of the study will look at a size chart for 15–65-year-olds, and the second phase will look at the size of the children, as well as the shoes. The whole scan process will take approximately 15 minutes for each scan.

Indian Size Project will use three 3D body scanners in NIFT – New Delhi (North), Mumbai (West), Kolkata (East), Hyderabad (Centre), Bengaluru (South) and Shillong (North East), for ceremonial and rural areas. combined. These human-powered scanners are enabled to extract fully 3D body maps in less than 10 seconds, thus reducing the amount of time required to perform anthropometric research.

The details will be treated as assets of the Ministry of Textiles. It will need to be reviewed after 10 years, although further research can be done at a much smaller scale.

Fig 5: NIFT launches standard size initiative
Fig 5: NIFT launches standard size initiative



In the most general terms, the purpose of an apparel sizing system is to divide a varied population into homogeneous subgroups. Members of a subgroup are similar to each other in body size and shape so that a single garment can adequately fit each of them. Members of different subgroups are dissimilar and would therefore require different garments (McCulloch, Paal & Ashdown, 1996).

Due to the lack of Indian sizing surveys, retailers/manufacturers are forced to use the size charts of other countries i.e. the US and/or the UK where the anthropometric make of the population is very different from that of India.

The knowledge of anthropometric dimensions is necessary for the development of garment patterns. In countries like India, where retailing is expected to see unprecedented growth in the next few years, the success or failure of a brand depends on the fit of clothing that is offered to consumers (Deepti Gupta, 2010).

Appavoo & Jeyasingh (2012) proposed a new approach of a two-stage data mining procedure for labelling the shirt types exclusively for Indian men. In the first stage, the clustering technique was applied to the original dataset, to categorise the size labels. Then these clusters are used for supervised learning in the second stage for classification

The  anthropometric  data  collected  and  analysed  will  be used  to  develop  comprehensive  bottom-wear  body  size charts for Indian male youth.    The body size charts maybe used by mass manufacturers of bottom-wears.  It  is recommended  that  to  include  people  of  other  age  groups, genders  and  product  categories  as  an  extension  of  this research Manoj Tiwari& Noopur Anand (2019) used anthropometric data to develop comprehensive bottom-wear body size charts for Indian male youth.

Kausher& Srivastava (2019) collected anthropometric data of females between the ages of 16 to 80 years from some states of India to produce the sizing system suitable for clothing manufacture and retailing. Factor analysis technique was used to filter the control body dimensions from a large number of variables. Decision tree-based data mining was used to cluster the data.

Throughout the literature, there have been consistent efforts to develop an Indian sizing system by using several different methodologies. However, researchers did not include people of all age groups and gender. As we know, the body shapes within the country are not the same, so people from every region of India should be included in the proper sizing system of all body types.


The research design is developed to provide an acceptable framework for the study. The choice to be made regarding the research method is a very significant decision in the research design process since it determines how relevant information can be gathered for a study.

The following decisions were made while conducting this study:

Sample Design

Universe Population of India
Measuring tool Questionnaire
Sampling Method Convenience sampling
Sample Size 165
Data Analysis Method Tables, Graphs and Descriptive Statistics
Hypothesis Testing Tools 1.     Chi square Goodness of Fit

2.     Z test for Proportion,

3.     One Way Anova,

4.     Pearson Correlation Coefficient,

5.     Fisher’s Exact Method.


Data collection

Data collecting is an important approach of research design and it helps in collecting relevant information with the help of which the researcher can predict, analyze, and evaluate different outcomes.

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The data collection in this particular study includes the following two types of data:

  1. Primary Data: Questionnaire
  2. Secondary Data: Similar studies, articles, journals, and research papers.


  •  A google form has been made to develop the questionnaire and collect the responses.
  • Chi-square goodness of fit test – Chi-Square goodness of fit test is a non-parametric test that is used to find out how the observed value of a given phenomenon is significantly different from the expected value.  In Chi-Square goodness of fit test, the term goodness of fit is used to compare the observed sample distribution with the expected probability distribution.
  • Z test for proportion – This test for a difference in proportions. Z-test allows you to compare two proportions to see if they are the same. The null hypothesis (H0) for the test is that the proportions are the same while the alternate hypothesis (H1) is that the proportions are not the same.
  • One-way Anova – The one-way ANOVA compares the means between the groups you are interested in and determines whether any of those means are statistically significantly different from each other.
  • Pearson’s Correlation Coefficient – The Pearson product-moment correlation coefficient (or Pearson correlation coefficient, for short) is a measure of the strength of a linear association between two variables and is denoted by r. Basically, a Pearson product-moment correlation attempts to draw a line of best fit through the data of two variables, and the Pearson correlation coefficient, r, indicates how far away all these data points are to this line of best fit.
  • Fisher’s Exact Method test – Fisher’s exact test examines the relationship between the two dimensions of the table (classification into rows vs. classification into columns). The null hypothesis is that these two classifications are not different.




Data breakdown of the survey on different parameters:

Break-up category Category Item Participants Category-wise Participants Total
Gender-wise Male 60 165
Female 105
Non-binary 0
Prefer not to say 0
Age-wise 18-24 149 165
25-34 12
35-48 4
48 & above 0
Demographics-wise North 108 165
South 6
East 45
West 6
Occupation-wise Student 141 165
Data Analyst 1
Cyber admin 1
Doctor 2
Banking Professional 1
Education and Teaching 4
Engineering 4
Government Service 8
Private Service 1
Music Producer 1
UX Designer 1
Awareness about the Indian Sizing system Yes (Aware) 107 165
No (Not aware) 58



Category of Clothes 1Month 3 to 3 Months More than 6 Months 9-10 Months After 12 Months Total
Formals 3 23 41 30 68 165
Jackets 1 8 31 43 82 165
Denim Jeans 4 40 47 38 36 165
Casual Wear 49 70 30 12 4 165
Party Wear 8 42 39 36 40 165



Online 108
In – Store 6
Custom Made 45
Total 165



Type of Clothes Bust/Chest Waist Hips Fits Perfectly Total
Formals 56 40 20 70 165
Jackets 35 13 9 116 165
Denim Jeans 0 58 31 88 165
Casual Wear 32 20 7 106 165
Party Wear 42 42 24 84 165



Uncomfortable 13
Somewhat Comfortable 82
Comfortable 55





Yes 136
No 3
May be 26
Total 165



Yes 83
No 15
May be 67
Total 165



Type of Methods Comfortable Not Comfortable Total
Traditional Methods 106 59 165
3D Body Scanning 138 27 165




OBJECTIVE: Calculation of the mean, median, mode and standard deviation of the age group of the participants.

Age Interval Frequency
18-21 118
22-25 34
26-29 4
30-33 4
34-37 1
38-41 2
42-45 1
46-48 1



Age interval Frequency(f) Mid value (m) f * m Cumulative frequency (cf)
18-21 118 19.5 2301.00 118
22-25 34 23.5 799.00 152
26-29 4 27.5 110.00 156
30-33 4 31.5 126.00 160
34-37 1 35.5 35.50 161
38-41 2 39.5 79.00 163
42-45 1 43.5 43.50 164
46-49 1 47.5 47.50 165
n = 165    f *m = 3541.50


mean formula

To find Median Class

= value of (n/2)th observation
= value of (165/2)th observation
= value of 82nd observation

From the column of cumulative frequency cf, we find that the 82nd observation lies in the class 18-21.

∴ The median class is 18-21.

L=lower boundary point of median class =18
n=Total frequency =165
cf=Cumulative frequency of the class preceding the median class =0
f=Frequency of the median class =118
c=class length of median class =3

median formula

To find Mode Class

Here, maximum frequency is 118.

The mode class is 17.5-21.5.

L=lower boundary point of mode class =17.5
f1= frequency of the mode class =118
f0= frequency of the preceding class =0
f2= frequency of the succeeding class =34
c= class length of mode class =4


mode formula

mode formula



For Standard Deviation 

Age interval f m Mean m – (m – )2 f *(m-x)2
18-21 118 19.5 21.46 -1.96 3.84 453.12
22-25 34 23.5 21.46 2.04 4.16 141.44
26-29 4 27.5 21.46 6.04 36.48 145.92
30-33 4 31.5 21.46 10.04 100.80 403.20
34-37 1 35.5 21.46 14.04 197.12 197.12
38-41 2 39.5 21.46 18.04 325.44 650.88
42-45 1 43.5 21.46 22.04 485.76 485.76
46-49 1 47.5 21.46 26.04 678.08 678.08
n = 165         3155.52


standard deviation

MEDIAN 20.0975
MODE 19.8366
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    I read about this is google yesterday

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