How To Measure Length For Jacket in 3 Easy Steps

Measuring jacket length

Measuring the length of a jacket is a crucial step in ensuring a perfect fit. Whether you’re a seasoned tailor or a fashion enthusiast, understanding how to measure jacket length accurately is essential for achieving a polished and flattering look. This article provides a comprehensive guide to measuring jacket length, empowering you to make informed decisions and find the ideal jacket that complements your body proportions.

The starting point for measuring jacket length is determining your natural waistline. This is the narrowest part of your torso, typically located just above your belly button. Once you have identified your natural waistline, you can proceed with the following steps. Standing upright with your shoulders relaxed and arms at your sides, place a measuring tape at the center of the back of your neck, at the base of your collar. Extend the tape straight down along the spine, ensuring it remains parallel to the floor. Continue measuring until the tape reaches the desired jacket length, which can vary depending on your personal style and the jacket’s intended purpose.

For a standard jacket length that falls at the hips, measure from the base of the collar to the point where you want the jacket to end. For a shorter jacket that sits at the waist, measure to the natural waistline. If you prefer a longer jacket that extends below the hips, continue measuring to the desired length. It’s important to note that jacket lengths can vary between different manufacturers and styles, so always refer to the product’s specific size chart before making a purchase. By following these simple steps, you can accurately measure jacket length and select the perfect piece to elevate your wardrobe.

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Determining Fabric Length for Standard Jackets

Calculating the fabric length required for a standard jacket involves several factors, including the desired jacket length, sleeve length, and the fabric’s width. Here’s a detailed breakdown of the measurements:

1. Measure Body Length:

Measure the distance from the base of the neck (the seventh cervical vertebra) to the desired jacket hemline. This is the “Body Length” measurement. It’s essential to take this measurement accurately, as it will determine the overall length of the jacket.

2. Determine Sleeve Length:

Measure the distance from the shoulder seam (where the sleeve meets the shoulder) to the desired sleeve length. This is the “Sleeve Length” measurement. Consider your personal preference and desired sleeve style when determining the length.

3. Consider Fabric Width:

Most fabrics for jackets come in standard widths. Determine the width of the fabric you intend to use. Common fabric widths include 44-46 inches or 58-60 inches.

4. Calculate Fabric Length:

Based on the Body Length, Sleeve Length, and Fabric Width, calculate the fabric length required using the following formula:

Body Length + Sleeve Length	Fabric Width	Fabric Length
25 inches	45 inches	0.6 yard

Here, the Fabric Length is expressed in yards. Multiply the result by 36 inches (the length of a yard) to convert it into inches.

Calculating Fabric Length for Long Tailored Jackets

For long tailored jackets that extend below the hip, you will need more fabric than for shorter jackets. The amount of fabric you need will depend on the desired length of the jacket, the width of the fabric, and the number of pieces you are using.

To calculate the amount of fabric you need, follow these steps:

Measure the desired length of the jacket from the shoulder to the hem.
Add 10-12 inches to the length for the seam allowances and any additional fabric you may need for design details.
Multiply the length by the width of the fabric you are using.
Divide the result by 36 to convert it to yards.
Add 0.5-1 yard for shrinkage and any additional fabric you may need for matching patterns.

For example, if you want to make a long tailored jacket that extends 30 inches below the hip and you are using a 60-inch wide fabric, you would need to calculate the fabric length as follows:

Measurement	Value
Desired length	30 inches
Seam allowances and design details	10 inches
Total length	40 inches
Fabric width	60 inches
Fabric length (inches)	40 x 60 = 2400
Fabric length (yards)	2400 / 36 = 66.67
Shrinkage and matching	1 yard
Total fabric length	67.67 yards

Measuring for Jackets with Wide Lapels or Collars

For jackets with wide lapels or collars, it’s crucial to take additional measurements to ensure a proper fit.

1. Shoulder Length: Measure from the top of the shoulder seam to the end of the lapel or collar.

2. **Collar Height:** Measure from the neck opening to the top of the lapel or collar.

3. **Collar Width:** Measure the width of the lapel or collar at its widest point:

Collar Width Measurement Table

Collar Style	Recommended Width
Notch Lapel	2.5″ – 3″
Peaked Lapel	3″ – 3.5″
Shawl Collar	3.5″ – 4″

4. **Lapel Length:** Measure from the top buttonhole to the bottom of the lapel.

5. **Overall Length:** Measure from the top of the shoulder seam to the desired length of the jacket.

To ensure an accurate measurement, it’s best to consult a professional tailor or seamstress. These professionals can assist you in taking precise measurements and recommending the ideal fit for your specific body shape and the style of the jacket.

Estimating Fabric for Fitted Jackets

To estimate the amount of fabric needed for a fitted jacket, consider several factors:

1. Jacket Length

Estimate the length from the shoulder to the desired hemline. Add 2 inches for seams and hems.

2. Bust Circumference

Measure around the fullest part of the bust. Add 4-6 inches for ease and seams.

3. Hip Circumference

If the jacket extends below the hips, measure around the widest part of the hips. Add 2-4 inches for ease and seams.

4. Sleeve Length

Start by measuring from the shoulder to the desired cuff length. Consider the following guidelines:

Sleeve Type	Fabric Allowance
Short Cap Sleeve	1/2 to 1 yard
3/4 Sleeve	1 to 1 1/2 yards
Full-Length Sleeve	1 1/2 to 2 yards

Add 2 inches for seams and hems.

5. Additional Fabric

Consider adding extra fabric for patterns, facings, and any decorative details or embellishments.

6. Fabric Width

Determine the width of the fabric you will be using. This will affect the fabric yardage required.

Determining Length for Jackets with Hoods or Drawstrings

When measuring the length of a jacket with a hood or drawstrings, consider the following factors:

1. Adjust for the Hood:

If the jacket has a hood, measure from the top of the hood’s neckline, ensuring the hood is fully extended.

2. Account for Drawstrings:

If the jacket has drawstrings at the waist or hem, loosen them to their natural length before measuring.

3. Stand Upright:

While measuring, stand upright with your arms relaxed at your sides.

4. Use a Measuring Tape:

Use a flexible measuring tape to measure the length from the desired starting point to the bottom hem.

Additional Details for Measuring Jackets with Drawstrings:

Drawstring Location	Measurement Notes
Waist Drawstring	Loosen the drawstring to its natural length and measure from the top of the waistband to the bottom of the jacket.
Hem Drawstring	Pull the cord slightly to create a semi-cinched hem, then measure from the top of the hem to the bottom of the jacket.

Measuring for Jackets with Welt or Flap Pockets

Why Welt and Flap Pockets Affect Measurement

Notably, pockets on the outside, such as welt or flap pockets, add material to the jacket’s length. This material, in turn, creates the illusion of a longer jacket. Therefore, when taking measurements, it’s important to account for this material to ensure an accurate measurement for the body’s length.

How to Measure for Welt or Flap Pockets

To measure for welt or flap pockets, follow these steps:

Front Length: Start at the back of the neck, measure down to the top of the pocket flap, and then continue measuring to the desired length.
Back Length: Begin at the back of the neck, measure down to the shoulder seam, and then continue measuring to the desired length.
Shoulder Breadth: Measure from the top of the shoulder seam to the top of the opposite shoulder seam.
Chest Circumference: Take the measurement around the body at the fullest part of the chest.
Waist Circumference: Measure around the body at the narrowest part of the waist.
Sleeve Length: Start at the shoulder seam and measure down the outside of the arm along the desired sleeve length, including any desired cuff.

Additional Tips for Accurate Measurements

* Use a flexible measuring tape that follows the natural curves of the body.
* Ensure the measuring tape is always parallel to the floor for accurate readings.
* Stand up straight with your shoulders relaxed and arms by your side for best results.

Calculating Length for Double-Breasted Jackets

Measuring the length of a double-breasted jacket is slightly different from other types of jackets. Here’s a detailed guide:

1. Stand up straight with your arms at your sides.

2. Place the measuring tape on the nape of your neck, just below where your hairline ends.

3. Hold the tape perpendicular to the floor and bring it down the center of your chest.

4. Stop the tape at the desired length. For a regular fit, the tape should end slightly below your hip bone.

5. If you prefer a longer fit, let the tape extend to the middle of your thigh.

6. Take the measurement from the nape of your neck to the point where you stopped the tape.

7. Refer to the chart below to determine the ideal length based on your height and preferred fit:

Height	Regular Fit	Long Fit
Under 5’6"	27"-29"	29"-31"
5’6"-5’9"	28"-30"	30"-32"
5’10"-6’1"	29"-31"	31"-33"
Over 6’1"	30"-32"	32"-34"

Estimating Fabric for Jackets with Raglan Sleeves

Raglan sleeves are characterized by their diagonal seams that extend from the neckline to the underarm. This unique design requires a different approach to fabric measurement compared to traditional set-in sleeves.

To estimate the fabric needed for a jacket with raglan sleeves, follow these steps:

Measure the length from the center back neckline to the desired hemline.
Multiply this length by the desired fullness, which is typically 1.5-2 times the body measurement.
Add 1-2 inches for seam allowances.
Multiply this value by the number of layers of fabric being used.
For the sleeves, measure from the neckline to the desired cuff length.
Multiply this length by the desired fullness, which is typically 1.2-1.5 times the arm measurement.
Add 1-2 inches for seam allowances.
Multiply this value by the number of layers of fabric being used for the sleeves.

Measurement	Fullness	Seam Allowance	Fabric Layers
Body Length	1.5-2	1-2 inches	1/2
Sleeve Length	1.2-1.5	1-2 inches	1/2

Remember, these measurements are estimates and may vary depending on the specific jacket design and the fabric’s weight and drape.

Measuring for Asymmetrical or Cropped Jackets

Measuring for asymmetrical or cropped jackets requires additional considerations due to their unique designs. Here’s how to approach it:

Step 1: Determine the Center Point

Locate the center point of your body by standing up straight and measuring from the nape of your neck to just above your tailbone. Mark this point on your back.

Step 2: Measure the Front Length

For asymmetrical jackets, measure from the center point of your neck, over your shoulder, and down the front edge of the jacket to the desired length. For cropped jackets, measure from the center point of your neck to the bottom edge of the jacket.

Step 3: Measure the Back Length

For asymmetrical jackets, measure from the center point of your neck, down the back of the jacket to the longest point of the hem. For cropped jackets, measure from the center point of your neck to the bottom edge of the jacket.

Step 4: Measure the Sleeve Length

Hold your arm out to the side at a 90-degree angle and slightly bend your elbow. Measure from the center point of your shoulder to the desired length of the sleeve, including any cuff or hem allowance.

Step 5: Measure the Chest Width

Measure across the widest part of your chest, under your armpits. This measurement will determine the width of the jacket’s chest.

Step 6: Measure the Hip Width

For asymmetrical or cropped jackets that extend past the hips, measure around the widest part of your hips.

Step 7: Measure the Waist Width

Measure around your natural waist, where you would typically wear a belt. This measurement will determine the width of the jacket’s waist.

Step 8: Measure the Sleeve Circumference

Measure around the circumference of your upper arm, at the widest point.

Step 9: Adjust for Fit

Once you have all your measurements, add 1-2 inches of ease to each dimension to ensure a comfortable fit. For a more fitted look, add less ease. For a loose and relaxed fit, add more ease. Below is a table summarizing the measurements and their purpose:

Measurement	Purpose
Front Length	Length of the jacket from the neck to the front hem
Back Length	Length of the jacket from the neck to the back hem
Sleeve Length	Length of the sleeve from the shoulder to the cuff
Chest Width	Width of the jacket across the chest
Hip Width	Width of the jacket across the hips (for asymmetrical or cropped jackets that extend past the hips)
Waist Width	Width of the jacket across the waist
Sleeve Circumference	Circumference of the upper arm

Compensating for Hem and Seams

When determining the length of a jacket, it’s crucial to account for the hem and seams that will be added during construction. Here’s how to compensate for them:

For the Hem: Add the desired hem width (typically 1-2 inches) to the measurements you took in the previous step.
For the Seams: Subtract 1-1.5 inches from the measurements for the side seams and 1 inch for the shoulder seams. This will ensure that the jacket fits comfortably without being too tight.
Example Calculations:

Feature	Measurement	Compensation
Front Length	24 inches	+2 inches (hem)
Back Length	26 inches	+2 inches (hem)
Side Seam	18 inches	-1.5 inches (seams)
Shoulder Seam	6 inches	-1 inch (seam)

By making these adjustments, you’ll ensure that the finished jacket will have the correct length and fit.