What's the right tape measure for plus-size?

A 60-inch (152 cm) tailor's tape minimum. Standard 36-inch tapes don't reach. Some plus-size measurements need 80+ inch tapes (especially full bust 50+ inches). Soft fiberglass tape is more accurate than fabric tape for larger circumferences.

Where exactly is 'natural waist' on a plus-size body?

Same anatomical point: the narrowest part of your torso. Lean to one side; the crease that forms is your natural waist. On many plus-size bodies, this is 1 inch above the navel; on some, it's at the navel level. Don't assume — find it via the lean test.

Why are plus-size hips often lower than standard charts assume?

Standard charts assume hips 7-9 inches below natural waist. Plus-size body shapes vary; many have fullest hips 9-11 inches below the natural waist. Always wrap at the absolute widest point, not at the standard chart-measured location.

Should I size up or down for plus-size if between sizes?

Always size up. Plus-size garments are engineered for fuller proportions; smaller sizes often skimp on hip room or thigh room even at the same labeled bust. Size up gives a comfortable fit; size down compresses and looks tight.

What plus-size brands run true to chart?

Lane Bryant runs true. Eloquii runs slightly small (size up if borderline). ASOS Curve runs slightly large. Universal Standard runs true and offers extended sizing 00-40. Always check the specific brand's chart in inches — letter sizing (1X, 2X) varies dramatically across brands.

How are plus-size letters (1X, 2X, 3X) different from numbers (16, 18, 20)?

1X-4X is letter sizing — typically 1X = 14-16, 2X = 18-20, 3X = 22-24, 4X = 26-28. Numbered sizes are more precise. Letter sizes are more forgiving but less accurate. For fitted styles, prefer numbered; for relaxed, letters work fine.

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How to measure May 21, 2026 5 min read

How to Measure a Plus-Size Body Accurately

Same method, longer tape, and attention to where "fullest" actually sits. Plus-size measurement requires a 60-inch+ tape and finding the absolute widest point — not the standard chart-assumed point.

Tools That Work

60-inch tailor's tape minimum. 80-inch for fullest measurements 50+ inches.

Soft fiberglass tape — more accurate than fabric tape at larger circumferences.

Mirror for self-measurement. Mark + check level.

Helper if possible — back-of-body measurements (back length, hollow-to-floor) need a partner.

Find Your True Fullest Points

Find absolute widest, not chart-standard

Standard charts assume hips 7-9 inches below natural waist. Plus-size hips are often 9-11 inches below. Wrap at YOUR fullest point, not the chart's expected location.

Plus-Size Sizing Reference

US Plus	Letter	Bust	Waist	Hips
14W	1X	39-41"	31-33"	41-43"
16W	1X	41-43"	33-35"	43-45"
18W	2X	43-45"	35-37"	45-47"
20W	2X	45-47"	37-39"	47-49"
22W	3X	47-49"	39-41"	49-51"
24W	3X	49-51"	41-43"	51-53"
26W	4X	51-53"	43-45"	53-55"
28W	4X	53-55"	45-47"	55-57"

Common Mistakes

Using a 36-inch tape

Doesn't reach. Get a 60+ inch tailor's tape.

Following standard chart-assumed point locations

"Hips 8 inches below waist" doesn't apply to all bodies. Find YOUR fullest.

Sizing down between sizes

Plus-size garments need fuller measurements. Size up.

Treating letter sizes (1X, 2X) as exact

Letters span 2 number sizes. Use numbered sizing for fitted styles.

FAQs

What tape for plus-size?

60-inch minimum. 80-inch for fullest 50+.

Where is natural waist?

Narrowest point. Lean test confirms.

Why are hips often lower than charts assume?

Body shapes vary; many plus-size bodies have hips 9-11" below waist.

Size up or down?

Always up.

Brands that run true?

Lane Bryant, Universal Standard.

1X vs 16?

1X = 14-16. Numbers are more precise.

Three Numbers, Right Tape, Right Fit

For underlying body measurements see bust guide, waist guide, hip guide.

Selling plus-size on Shopify? Extended-range sizing matters.

Tailor Size Guide adds plus-size matching with extended bust/waist/hip ranges to every listing.

Install the Shopify app Read the docs