How to Create a Garment Measurement Specification Sheet Before Production

Before a garment goes into bulk production, the manufacturer needs exact instructions about how every important area of the garment should measure.

A sketch alone is not enough.

The factory must know the required chest width, body length, shoulder width, sleeve length, neck opening, bottom opening, pocket position, and other dimensions.

These details are recorded in a garment measurement specification sheet.

For clothing brands, buyers, technical designers, and manufacturers, this document is one of the most important tools used to control garment fit and size consistency.

A well-prepared measurement specification sheet helps reduce confusion during sampling, improves communication with the factory, and gives the quality-control team a clear standard to follow during production.

This guide explains how to create a garment measurement specification sheet step by step before production begins.

What Is a Garment Measurement Specification Sheet?

A garment measurement specification sheet is a technical document that lists the required measurements for a garment.

It may include measurements for one base size or for the complete size range.

For example, a T-shirt specification sheet may include:

• Chest width

• Body length

• Shoulder width

• Sleeve length

• Sleeve opening

• Neck width

• Front neck drop

• Bottom opening

The sheet tells the manufacturer exactly how large or small each part of the garment should be.

Why Is a Measurement Specification Sheet Important?

Garment production involves many people.

These may include:

• Designer

• Pattern maker

• Merchandiser

• Sampling team

• Sewing team

• Quality inspector

• Buyer

Without one approved measurement sheet, different people may use different assumptions.

This can lead to:

• Incorrect fit

• Inconsistent sizing

• Wrong garment proportions

• Production delays

• Rework

• Customer complaints

• High return rates

A clear specification sheet gives everyone one common reference.

Measurement Specification Sheet vs Size Chart

These two documents are related, but they are not exactly the same.

Measurement Specification Sheet

Used mainly by:

• Manufacturer

• Pattern maker

• Technical designer

• Quality team

It may include many technical measurements.

Customer Size Chart

Used mainly by customers.

It usually shows only the most important measurements such as:

• Chest

• Length

• Waist

• Hip

• Shoulder

A factory specification sheet may contain 15 to 30 measurements, while a website size chart may show only 3 to 6.

Measurement Sheet vs Tech Pack

The measurement specification sheet is usually one part of the full garment tech pack.

A tech pack may also contain:

• Technical sketches

• Fabric details

• Bill of Materials

• Construction instructions

• Print details

• Labels

• Trims

• Packaging

The measurement sheet specifically focuses on garment dimensions and tolerances.

Step 1: Identify the Garment Type

Before creating measurements, identify exactly what garment you are developing.

Examples include:

• T-shirt

• Polo

• Hoodie

• Sweatshirt

• Track pant

• Shorts

• Jacket

• Kurti

• Dress

• Sports jersey

Each garment category requires a different set of measurements.

For example, a T-shirt may need chest and shoulder measurements.

Track pants require:

• Waist

• Hip

• Thigh

• Rise

• Inseam

• Leg opening

Do not use the same measurement template for every product.

Step 2: Decide the Intended Fit

The measurement sheet should reflect the intended garment fit.

Common fit types include:

• Slim fit

• Regular fit

• Relaxed fit

• Oversized fit

For example:

An oversized T-shirt may require:

• Wider chest

• Larger shoulder

• Longer sleeve

• Different armhole

• Wider bottom opening

The measurements should be designed specifically for that silhouette.

Do not simply take a regular-fit size chart and add a few centimetres everywhere.

Step 3: Select the Base Size

Most garments are first developed using one base size.

For example:

Base Size: Medium

The base size is usually perfected first.

Once approved, it is graded into:

• S

• L

• XL

• XXL

The base size becomes the foundation of the size range.

Step 4: Start With a Technical Flat Sketch

Create a front and back flat sketch of the garment.

Then identify the major measurement locations.

For example, on a T-shirt you may mark:

• POM 01 – Chest width

• POM 02 – Body length

• POM 03 – Shoulder width

• POM 04 – Sleeve length

• POM 05 – Sleeve opening

This helps connect each measurement value with the exact location on the garment.

What Is POM in Garment Measurement?

POM means Point of Measurement.

A POM tells the factory exactly where and how to measure the garment.

For example:

POM 01 – Chest Width

Measure straight across from one underarm point to the other.

Without a clear POM, the same measurement may be taken differently by different people.

Step 5: Create a POM List

A POM list should contain:

• POM number

• Measurement name

• Measurement method

• Base size value

• Tolerance

Example:

POM	Measurement	M Size	Tolerance
01	Chest Width	52 cm	±1 cm
02	Body Length	70 cm	±1 cm
03	Shoulder	46 cm	±0.5 cm
04	Sleeve Length	22 cm	±0.5 cm

These values are illustrative only.

Step 6: Define How Each Measurement Is Taken

Every measurement should have a clear method.

This is extremely important.

For example:

Chest Width

Measure straight across from underarm to underarm with the garment laid flat.

Body Length

Measure from the highest shoulder point to the bottom hem.

Shoulder Width

Measure from shoulder seam to shoulder seam across the back.

Sleeve Length

Measure from shoulder seam to sleeve opening.

The exact measuring method should be consistent.

Step 7: Decide Whether You Are Using Half or Full Measurements

Many knitted garments are measured flat.

For example:

Chest width = 52 cm

This may represent the half chest.

The approximate full circumference would therefore be:

52 × 2 = 104 cm

You must clearly state whether measurements are:

• Half measurement

• Full circumference

Otherwise the manufacturer may misunderstand the specification.

Step 8: Use One Measurement Unit Consistently

Choose either:

• Centimetres

• Inches

Do not randomly mix both within the same specification sheet.

If both are required, create clearly labelled columns.

For example:

Chest Width: 52 cm / 20.5 in

Consistency reduces errors.

Step 9: Define the Base Size Measurements

Now determine the target values for your base size.

For example, a basic T-shirt base size may include:

Measurement	M
Chest Width	52 cm
Body Length	70 cm
Shoulder	46 cm
Sleeve Length	22 cm
Sleeve Opening	18 cm
Bottom Opening	52 cm

These numbers are examples only.

Your actual values should be based on:

• Target customer

• Fit

• Fabric

• Market

• Sample testing

Step 10: Consider Ease

Garment measurements should not simply copy body measurements.

Clothing needs the correct amount of ease.

Ease is the difference between the body measurement and the finished garment measurement.

For example:

Body chest = 100 cm

Garment chest circumference = 108 cm

Positive ease = 8 cm

Different fits use different ease.

• Slim fit: lower ease

• Regular fit: moderate ease

• Relaxed fit: more ease

• Oversized fit: significantly more ease

Step 11: Consider Fabric Stretch

Fabric behaviour can change the required measurements.

For stretch fabrics, the garment may be designed smaller because the fabric expands.

For stable fabrics, more ease may be required.

Important fabric properties include:

• Stretch percentage

• Recovery

• GSM

• Structure

• Drape

• Shrinkage

A size specification should ideally be tested using the actual production fabric.

Step 12: Consider Shrinkage

Shrinkage can affect final measurements after washing or finishing.

Suppose the target finished length is:

70 cm

But the fabric shrinks by 3% lengthwise.

The pattern and process may need adjustment so that the final garment still meets the approved specification.

Always clarify whether measurements are checked:

• Before wash

• After wash

• After finishing

Step 13: Add Measurement Tolerances

Garment production involves natural variation.

Therefore, brands should define acceptable tolerances.

Example:

Target chest width:

52 cm

Tolerance:

±1 cm

Acceptable range:

51–53 cm

Different POMs may have different tolerances.

For example:

• Chest: ±1 cm

• Body Length: ±1 cm

• Pocket Position: ±0.5 cm

These are only examples.

Why Tolerances Matter

Without tolerances, the factory does not know how much variation is acceptable.

A garment measuring 52.4 cm may still be acceptable if the target is 52 cm.

But a garment measuring 55 cm may be outside tolerance.

Tolerances create an objective quality standard.

Step 14: Grade the Base Size Into Other Sizes

Once the base size is approved, it can be graded.

Example:

Measurement	S	M	L	XL	XXL
Chest Width	50	52	54	56	58
Body Length	68	70	72	74	76
Shoulder	45	46	47	48	49
Sleeve Length	21	22	23	24	25

Again, these are illustrative values.

The difference between sizes is called the grade rule.

What Is a Grade Rule?

A grade rule defines how much each measurement changes between sizes.

For example:

Chest width:

+2 cm per size

Shoulder:

+1 cm per size

Sleeve length:

+1 cm per size

Different measurements may use different grade rules.

Professional grading helps maintain proportion across all sizes.

Step 15: Check the Size Set

After grading, size-set samples should ideally be measured.

For example:

S, M, L, XL, XXL

This helps identify issues such as:

• XL too long

• S neck too small

• XXL shoulder too wide

• Sleeve grading too aggressive

A spreadsheet can look correct while the physical garment still looks unbalanced.

Step 16: Add Construction-Related Measurements

Some garments need technical placement measurements.

Examples include:

• Pocket distance from side seam

• Zipper length

• Placket width

• Hood height

• Cuff height

• Waistband height

• Logo placement

For example:

Pocket position: 7 cm below waistband seam

These details improve production accuracy.

Step 17: Add Artwork Placement Measurements

If the garment includes printing or embroidery, record exact placement.

For example:

Left Chest Logo

Width: 7 cm

Distance from centre front: 9 cm

Distance from shoulder seam: 12 cm

This prevents operators from placing the artwork by eye.

Step 18: Add a Measurement Diagram

A visual POM diagram is highly useful.

The diagram can show arrows for:

• Chest

• Length

• Shoulder

• Sleeve

• Bottom opening

Each arrow should match the POM number in the measurement table.

This reduces ambiguity.

Step 19: Include Revision History

Measurement sheets often change during sampling.

For example:

Version 1:

Chest = 54 cm

Version 2:

Chest reduced to 53 cm

Version 3:

Sleeve increased by 1 cm

A revision table helps keep everyone updated.

Example:

Version	Date	Change
V1	01-10-2026	Initial measurements
V2	04-10-2026	Chest reduced
V3	08-10-2026	Sleeve updated

Step 20: Approve the Final Specification Before Bulk Production

Before production begins, confirm that:

• Fit sample is approved

• Size grading is approved

• Fabric is approved

• Shrinkage is understood

• Measurement values are final

• Tolerances are final

The final measurement specification should match the approved production sample.

Example: Basic T-Shirt Measurement Specification

Here is a simplified example:

POM	Measurement	S	M	L	XL	XXL	Tolerance
01	Chest Width	50	52	54	56	58	±1
02	Body Length	68	70	72	74	76	±1
03	Shoulder	45	46	47	48	49	±0.5
04	Sleeve Length	21	22	23	24	25	±0.5
05	Sleeve Opening	17	18	19	20	21	±0.5
06	Bottom Opening	50	52	54	56	58	±1

These values are examples only.

Example: Hoodie Measurement Specification

A hoodie may require more POMs.

These can include:

• Chest width

• Body length

• Shoulder

• Sleeve length

• Armhole

• Bicep

• Cuff opening

• Hood height

• Hood width

• Pocket width

• Pocket height

• Bottom rib height

More complex garments require more detailed measurement sheets.

Example: Track Pant Measurement Specification

Track pants may include:

• Waist relaxed

• Waist stretched

• Hip

• Front rise

• Back rise

• Thigh

• Knee

• Inseam

• Outseam

• Leg opening

This shows why garment-specific templates are important.

What Measurements Are Commonly Used for T-Shirts?

Common T-shirt POMs include:

• Chest width

• Body length

• Shoulder

• Sleeve length

• Sleeve opening

• Armhole

• Neck width

• Front neck drop

• Back neck drop

• Bottom opening

The exact list depends on style.

What Measurements Are Commonly Used for Hoodies?

Common hoodie POMs include:

• Chest

• Length

• Shoulder

• Sleeve

• Bicep

• Armhole

• Cuff

• Hood height

• Hood width

• Pocket size

• Bottom opening

How Measurement Sheets Are Used During Sampling

During sampling, the factory compares the sample against the sheet.

Example:

Required chest:

52 cm

Actual sample:

54 cm

Difference:

+2 cm

If tolerance is ±1 cm, the sample is outside specification.

The pattern must be corrected.

How Measurement Sheets Are Used During Quality Control

During bulk production, quality inspectors randomly measure garments.

They compare actual measurements with the specification sheet.

For example:

POM	Spec	Actual	Result
Chest	52 cm	52.5 cm	Pass
Length	70 cm	72 cm	Fail

This makes quality inspection objective.

Common Mistakes When Creating a Measurement Specification Sheet

1. Missing POM Definitions

Do not list only measurement names.

Explain exactly how each measurement is taken.

2. No Tolerances

Production needs an acceptable range.

3. Copying Another Brand's Size Chart

Different brands use different fits and fabrics.

Develop your own specification.

4. Ignoring Fabric Behaviour

Stretch and shrinkage affect sizing.

5. Grading Every Measurement Equally

Different POMs require different grade rules.

6. No Size-Set Testing

The smaller and larger sizes may become unbalanced.

7. Mixing Inches and Centimetres

Use one measurement system consistently.

8. No Revision Control

Factories must know which version is final.

How to Create a Simple Measurement Sheet in Excel or Google Sheets

You can create a basic sheet using these columns:

POM	Measurement	How to Measure	S	M	L	XL	XXL	Tolerance

Then add one row for every important measurement.

A separate page or image can show the POM diagram.

This is enough for many simple garments.

How Detailed Should a Measurement Sheet Be?

The sheet should be detailed enough to prevent misunderstanding.

A basic T-shirt may need 8–12 POMs.

A complex jacket may require 25 or more.

Do not add unnecessary measurements, but do not leave out important ones.

A good rule is:

If the measurement can affect fit, appearance, or function, consider documenting it.

Measurement Specification Checklist

Before sending the sheet to a manufacturer, confirm:

• Garment style is correct

• Base size is identified

• All POMs are numbered

• Measurement method is clear

• Units are consistent

• Grade rules are correct

• Tolerances are included

• Fabric shrinkage is considered

• Size range is complete

• Latest version is marked

Frequently Asked Questions

What is a garment measurement specification sheet?

It is a technical document that lists the required measurements for a garment across one or more sizes.

What does POM mean in garments?

POM means Point of Measurement. It identifies where and how a garment measurement should be taken.

Why are tolerances needed?

Tolerances define how much production variation is acceptable.

What is a base size?

A base size is the primary size developed and approved before grading into other sizes.

What is pattern grading?

Pattern grading is the process of increasing or decreasing a base pattern to create additional sizes.

Is a measurement sheet the same as a size chart?

No.

A measurement sheet is a technical factory document.

A customer size chart is a simplified guide for choosing a size.

Can I create a measurement sheet in Excel?

Yes.

Excel and Google Sheets are commonly used for simple measurement specifications.

Should every size be measured during production?

Factories may check selected garments from each size according to their quality-control procedure.

Final Thoughts

A garment measurement specification sheet is one of the most important documents used before clothing production begins.

It turns a garment design into measurable technical instructions.

A strong specification sheet clearly defines:

• What should be measured

• Where it should be measured

• The target value

• The allowed tolerance

• How sizes should be graded

It also helps pattern makers, manufacturers, merchandisers, and quality inspectors work from the same standard.

For new clothing brands, creating a measurement sheet may seem technical at first.

But even a simple, well-organized specification can prevent major fitting and production problems.

The best approach is to build measurements around your own customer, fit, fabric, and approved sample.

Accurate measurements create better samples, better sizing, and more consistent bulk production.