9 Simple Ways to Know Your Spanx Size - wikiHow (2024)

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Co-authored byAndrea Beaulieuand Jessica Gibson

Last Updated: September 27, 2023References

Measure your waist and hips to find your leggings and panties size.

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1. Wrap a measuring tape around the narrowest part of your waist. Don't pull or tighten the tape, or you'll get an inaccurate measurement. Write down your waist measurement and find where it falls in the Spanx sizing. Then, wrap the tape around the widest part of your hips.^[1] Here are just a few of their leggings and panties sizes:^[2]

   • Small: 27 to 30¹⁄₂in (69 to 77cm) waist and {{convert|35|to|37+1/2|in|cm|abbr=on} hips
   • Medium: 31 to 33in (79 to 84cm) waist and 38 to 40¹⁄₂in (97 to 103cm) hips
   • Large: 33¹⁄₂ to 35¹⁄₂in (85 to 90cm) waist and 41 to 43in (100 to 110cm) hips
   • Extra-large: 36 to 39in (91 to 99cm) waist and 43¹⁄₂ to 45¹⁄₂in (110 to 116cm) hips

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1. Spanx sizes their hosiery with letters A through G. To learn your size, find the letter that covers your height and weight. This way, the hosiery won't feel like it's too short, which can pull on your torso.^[3]

   • For example, if you're between 5 and 6ft (1.5 and 1.8m) tall and you weigh between 165 and 220 pounds (75 and 100kg), you'd be a size G according to the Spanx hosiery chart.

Take your bust measurements to learn your bra size.

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1. Wear a lightly-lined bra that fits you well and wrap the tape around your chest. Bring the tape around your back and under your armpits so it meets high on your chest. Write down this measurement—it's your band size. Then, wrap the band around the widest part of your bust. Subtract this measurement and use the difference to find your cup size.^[4]

   • If your band size is an odd number, just round up to the nearest even number. For instance, if you measure 37 inches (94cm), your band size is a 38.
   • For example, if your band size measures 36 inches (91cm) and your bust size measures 40 inches (100cm), your Spanx bra size is a 36D.

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1. Wrap a measuring tape around the narrowest part of your waist. Then, measure around the widest part of your chest to get your bust measurement. You can use both of these measurements to find the closest fit. If you're in between two sizes, go for the larger size so the top is sure to fit.^[5]

   • You don't usually need your hip measurement for most Spanx tops since they're loose around the waist.

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1. You can use your usual size for some products like tops, panties, and leggings. If you're in a hurry, you might not have time to pull out a measuring tape and find your exact measurements. Don't worry! Several Spanx products have standard sizing that you can use if you don't know things like your waist or bust size.

   • For example, you can buy a Spanx top in small if you usually wear a small, or get large leggings if you usually wear a size large in pants.

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Check the size chart for each Spanx product.

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1. If you're shopping online, click "Find Your Size" on a product page. This takes you right to the specific measurements for that item.^[6] Sometimes, a product listing will also tell you how reviewers say it fits.^[7]

   • You may see a sliding scale that says, "runs small," "true to size, and, "runs large." If you see that a product usually runs large, you may want to consider getting a smaller size.^[8]

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1. Search the Power Series Collection for the most flexibility. Spanx recommends that you use seamless shapewear if your measurements fall between 2 different sizes. Once you find a product, like a bodysuit, use your larger measurement to pick the size.^[9]

   • For instance, if you have a size medium waist measurements, but size large hip measurements, choose a large size for the shapewear.

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Adjust the compression level for a tighter fit.

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1. Don't automatically reach for a smaller size if you want snug Spanx. Level 1 compression gives a slight fit while Level 2 offers a little more shaping. For the tightest fit, try Level 3 compression which sculpts. This means that it can help lift your breasts or slim your tummy, for instance.^[10]

   • If you're shopping online, use the search filters to select which level of compression you want.

Choose the next size up if you see bulges.

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1. Spanx should be snug without riding up. If you see skin bulging to the sides, or the Spanx ride up or down, you need to go up a size. You'll probably find that a slightly bigger size feels more comfortable, and the fit is better.^[11]

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