How to Make the Waist Bigger on Jeans

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If your favorite pair of jeans have become too small in the waist, don't despair and definitely don't get rid of them. Instead, be a smarty pants and alter the waistband to fit again (even without advanced sewing skills).

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Image Credit: Beth Huntington

Things You'll Need

Tip

If your denim patch doesn't match exactly, err on the side of slightly darker than lighter. It'll be somewhat hidden by the center belt loop, so slightly darker will draw less attention to it.

Image Credit: Beth Huntington

Step 1

Remove the center back belt loop with a seam ripper.

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Image Credit: Beth Huntington

Step 2

Use a measuring tape to determine the circumference of the waistband on your jeans. Write that number down and save it for later.

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Use sharp scissors to cut directly down the center back of your jeans to the back yolk. You can cut down farther if you need more room in the hips as well.

Image Credit: Beth Huntington

Step 3

Now measure around your waist or hips where the waistband of your jeans sits. Subtract the circumference of the waistband from the circumference of your waist/hip measurement to determine the width of the denim piece you'll need to insert into your jeans. Then add 1 inch to that number for a seam allowance.

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For example, if your waist circumference is 30 inches and your jeans waistband is 28 inches: 30-28=2+1=3. Your denim insertion piece will need to be 3 inches wide.

To determine the length of the denim insertion piece, measure the raw edge of the cut you made in the center back and add 1 inch.

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Image Credit: Beth Huntington

Step 4

If you don't have a serger to finish the raw edges of your denim piece, simply adjust your sewing machine to be a short stitch length and a long zigzag stitch.

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Image Credit: Beth Huntington
Image Credit: Beth Huntington

Step 5

Sew across the top of the denim piece.

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Image Credit: Beth Huntington

Step 6

Fold 1/2 inch of the top of the denim piece toward the wrong side of the denim and press.

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Image Credit: Beth Huntington

Step 7

Topstitch the top edge of the fold.

Image Credit: Beth Huntington

Step 8

Place the denim piece under the cut in the back of the jeans and mark the opening onto the insertion piece with a washable marker or tailor's chalk.

Image Credit: Beth Huntington

Step 9

Cut 1/2 inch away from the marks you made.

Image Credit: Beth Huntington

Step 10

Finish the raw edges of the insertion piece using the wide zigzag stitch that you used on the top edge.

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Image Credit: Beth Huntington

Step 11

Pin the denim insertion piece into the opening.

Image Credit: Beth Huntington

Step 12

Change the thread in your machine to match your jeans and use the same wide zigzag stitch to sew the denim piece into the opening. Go slow and make sure you are catching the raw edge of the jeans. Remove the pins as you sew.

Image Credit: Beth Huntington

Step 13

Change your machine to a narrow zigzag stitch, but keep it on a short stitch length. Use this stitch to reattach the belt loop to the center back of your jeans.

Image Credit: Beth Huntington

Now you can enjoy your favorite jeans again without having to hold your breath.

Image Credit: Beth Huntington

Buy materials for this tutorial:

Seam ripper

Measuring tape

Sharp scissors

Washable marker

Pins

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