How to

Close-up of professional pant hemming, showing the pressing process after sewing. The image is part of a video tutorial by Denimbmc.com on how to hem pants correctly.
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How to Hem Pants by a Pro

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When it comes to hemming pants, maintaining the original look is key. Many tailors use what’s known as an “original hem alteration,” where they cut off the hem and reattach it with an added seam. But let’s be honest—that’s a poor man’s alteration technique. It compromises quality, especially for pants that aren’t distressed jeans. Following the manufacturer’s original stitching and details is the only way to ensure a professional result. Anything less can cost you discerning customers once they notice the poor craftsmanship inside their pants.

In this tutorial, I’ll show you how to hem pants professionally. If you have an industrial sewing machine, you’ll be able to follow along—just make sure you have the correct thread and needle sizes. These details matter, and most tailors overlook them.

If you’re using a home machine, the techniques I cover can work for lighter fabrics, but for heavyweight pants or workwear, a home machine won’t cut it. These require heavier thread and larger needles, and home machines typically don’t have the power to punch through tough fabrics like industrial machines do.

For those looking for a trusted professional to hem your pants, you’ve come to the right place. Williamsburg Garment Company is the nationwide leader in denim, workwear, and knit alterations. We specialize in giving you flawless, professional results—without any visible signs of alteration. Using factory-level machines and techniques, we deconstruct and reconstruct garments to preserve their original look and quality.

We may not be the fastest or the cheapest, but we’re committed to providing the best possible fit and finish. And we’ve made it simple to order alterations from anywhere. If you can order pizza online, you can order professional alterations from us. Just head over to WilliamsburgGarment.com and get started with a few clicks.

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The leg opening of a pair of jeans is shown on a table, indicating how the inseam of jeans with twisted legs is about to be measured. The chain-stitched hem has a roping effect as well.
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How to measure the inseam of jeans with twisted legs

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The goal of this tutorial video is to walk you through the complex process of determining the inseam of twisted-leg jeans. In contrast to measuring the inseam on a pair of typical jeans or pants, dealing with twisted legs adds an additional level of complication. When the legs of the jeans wrap around to the opposite side, the dilemma of whether to follow the inseam line arises.

The short answer is no. The key is to follow the natural shape of the jeans as though there were no twist. In this video, we show you step-by-step how to do this.

In addition, we explore some of the frequent mistakes that tailors and clients requesting hemming alterations make while shortening the inseam. This guide will educate you on why using a general request like “take off 2 inches” while asking for a hemming service may not be the best choice. Similar to this, we show how this approach can result in mistakes when shortening jeans for tailors who often align the hems of jeans before simply cutting them. Have a look at our video to enhance your understanding and skills with denim alterations.

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Close-up of professional pant hemming, showing the pressing process after sewing. The image is part of a video tutorial by Denimbmc.com on how to hem pants correctly.

How to Hem Pants by a Pro

When it comes to hemming pants, maintaining the original look is key. Many tailors use what’s known as an “original

A close-up of professional chain stitch hemming alterations highlights what chain stitching is by displaying a thick golden yellow chain stitch on the hem of blue jeans.
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Chain stitch hemming – how it’s done

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In this brief social media video, we show how to hem jeans professionally, just like it’s actually done at denim factories. In our video, there is no need for work-around-sewing-techniques, which leave bulky seamlines over the hem or ragged fabric on the reverse side, which prevents cuffing or rolling the hem. We love denim at Williamsburg Garment Company and hemming jeans the right way is important to us.

Even the heaviest denim is no problem for our beast of a sewing machine, a customized Union Special 56300 that bores through multiple layers of folds and seams. Here, denim designer Maurice Malone demonstrates chain stitch hemming a pair of jeans in our Instagram and TikTok video. Make sure to stay tuned and follow us for more.

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Close-up of professional pant hemming, showing the pressing process after sewing. The image is part of a video tutorial by Denimbmc.com on how to hem pants correctly.

How to Hem Pants by a Pro

When it comes to hemming pants, maintaining the original look is key. Many tailors use what’s known as an “original

Cover image for TikTok video demonstrating how we expertly taper and take in the waist of jeans for the perfect fit.
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Getting your fit right: Learn how we taper the leg while taking in the waist on jeans

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Do you want to know what sets us apart from the competition when it comes to denim alterations? In our latest TikTok video, you can see how we professionally taper the legs of a pair of jeans while also taking in the waist to make them fit just right.

@williamsburggar Denim heaven. The art of taking in the waist with tapering alterations on jeans. We perfect your fit. #denimyourway #denimhead #denimtailor #taperingjeans #jeanswaist #jeanswaistgap #selvedgedenim ♬ MAMBO OVER THE MOUNTAIN – Rick Hirsch

Make sure to follow us on TikTok to see more informative and entertaining videos. @williamsburggar

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Close-up of professional pant hemming, showing the pressing process after sewing. The image is part of a video tutorial by Denimbmc.com on how to hem pants correctly.

How to Hem Pants by a Pro

When it comes to hemming pants, maintaining the original look is key. Many tailors use what’s known as an “original

Raw denim selvedge jeans hem with clips to mark inseam length, removing the need for a measuring tape.
Clips at the bottom of jeans show how long the inseam should be, so you don't need a measuring tape.
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How to measure the inseam of your jeans and pants without a measuring tape

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Here’s what to do if you want to send your jeans or pants to a tailor for hemming service but don’t have a measuring tape. Because everyone has their own personal style, we won’t get into whether or not your pants should have a break, no-break, or hang just above your shoes. We will give you a few good tips on how to mark your desired inseam length.

  1. Put on your pants and approach a mirror wearing the shoe style you prefer with your pants.
  2. Cuff or roll the legs of your pants to the desired inseam length.
  3. Select the best-fitting leg, then bend down and secure it with a pin or clip at the folded edge.
  4. Uncuff or unroll the second leg so there is no confusion about which leg to use as the standard.
  5. Ship or hand-deliver the pants to your tailoring service and instruct them to follow the marked leg.

Because most people never mark both legs exactly the same, it is best to mark one leg. If the tailor needs to contact you to determine which size of the two legs is best, the tailoring process may be slowed.

Image of Hiroshi Kato jeans shows how to take note of your jean's inseam length with a paper clip if you don't have a tape measure

If you don’t have a clip or pin, use an iron to press the cuff into place for a secure hold during the shipping or drop-off process. You can also mark the location with washable chalk or tape.

Women's Brave Star selvedge jeans demonstrates how to note the inseam length for tailoring using pins.

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Close-up of professional pant hemming, showing the pressing process after sewing. The image is part of a video tutorial by Denimbmc.com on how to hem pants correctly.

How to Hem Pants by a Pro

When it comes to hemming pants, maintaining the original look is key. Many tailors use what’s known as an “original

Hem of Loose J58 vintage Levi's Engineered Jeans with sloped cuffs
Hem of Loose J58 vintage Levi's Engineered Jeans with sloped cuffs.
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How to shorten Levi’s Engineered Jeans explained

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We recently added an option for special request alterations that fall outside of our regular services. For example, shortening the inseam on these vintage Levi’s Engineered Jeans is far more time-consuming than chain stitch hemming. After all, you would not want to lose the sloped hem shape that uniquely identifies these by cutting them straight like regular jeans. This calls for more than our trouser or chain stitch hemming services.

Photo shows how to shorten Levi's Engineered Jeans while keeping the original hem shape
Vintage Levi’s Engineered Jeans with sloped cuffs made in Japan

For this style, we first record the size and shape of the original hem by creating a pattern to recut the newly positioned leg opening. After, we remove the inside panel at the hem stitch by stitch to keep it intact.

Alterations process of hemming Levi's Engineered Jeans
Leg opening of Levi’s Engineered Jeans sloped cuff hem in the process of having the inseam shortened.

These jeans have a twisted leg, so measuring the inseam can be tricky. On jeans with a leg twist, you can’t just follow the inseam line down with the measuring tape. Instead, you must follow the shape of the leg down without turning under the seam. Following the inseam line on a twisted leg will ultimately mean that leg will be slightly shorter.

Finally, after the jeans are cut-down, the original inside hem panels are sewn back into the leg opening. Finished, the jeans keep the look of the original factory sewing and stitching while being customized to a concise length.

You might be interested in

Close-up of professional pant hemming, showing the pressing process after sewing. The image is part of a video tutorial by Denimbmc.com on how to hem pants correctly.

How to Hem Pants by a Pro

When it comes to hemming pants, maintaining the original look is key. Many tailors use what’s known as an “original