How To · Fashion · Basics
How to Measure Yourself for Clothes (and Actually Use the Numbers)
Taking your own measurements doesn't require a tailor's tape or a second person—just a soft measuring tape and five minutes. The real skill is knowing which numbers matter for which garments, and how to read a size chart without second-guessing yourself.
5 min read · IrisMost of us have never measured ourselves properly—we just grab our usual size and hope. But when you're buying online, ordering from a new brand, or working with a tailor, your actual measurements become the difference between a garment that fits and one you'll never wear. The process is straightforward, but the details matter.
This guide covers the five measurements that unlock almost every size chart: bust, waist, hips, inseam, and shoulder width. You'll learn where to place the tape, how to keep it snug without distorting fabric, and—most importantly—how to translate those numbers into real buying decisions.
A soft measuring tape costs under $5 and will pay for itself the first time you avoid ordering the wrong size.
Step one · 1 minute
Gather your tools
You need a soft, flexible measuring tape—the kind seamstresses use, not a rigid ruler. If you don't own one, they cost $3–5 at any fabric or drugstore. Wear fitted undergarments or a thin tank top and leggings; loose clothing will throw off your numbers. Stand in front of a mirror if possible, so you can see that the tape is level and not twisted.
If you don't have a soft tape, you can use a piece of string, mark the length with a pen, then measure the string against a ruler.
Step two · 2 minutes
Measure your bust
Wrap the tape around the fullest part of your chest, keeping it parallel to the ground. Don't pull tight—the tape should sit snug against your skin without compressing the breast tissue. Keep your arms relaxed at your sides. This is the measurement you'll use for tops, dresses, and jackets. Write it down immediately so you don't forget.
If you're between sizes on a bust measurement, check the brand's fit notes. Some cut generous in the chest; others run small.
Step three · 2 minutes
Measure your waist and hips
For waist, measure at the narrowest point—usually just above your natural waistline where you'd wear a belt. Keep the tape level and snug but not tight. For hips, measure around the fullest part of your rear and thighs, typically 7–9 inches below your waist. Both measurements should feel comfortable, not restrictive. These two numbers are critical for pants, skirts, and fitted dresses.
If your waist and hip measurements are very different (more than 10 inches), you may need to size by hips and have the waist tailored, or vice versa.
Step four · 2 minutes
Measure your inseam
This is the length from your inner thigh to your ankle—the most important number for pants. Wear the shoes you plan to wear with the pants (heels vs. flats changes this). Stand straight and measure from your crotch down to the top of your shoe. Alternatively, measure a pair of pants that fit you well: lay them flat, measure from the crotch seam to the hem. Most size charts list inseam in 2-inch increments, so round to the nearest even number.
Keep a note of your inseam for different shoe heights. You might be a 30" inseam in flats but a 29" in heels.
Step five · 1 minute
Measure shoulder width
Measure from the top of one shoulder bone to the top of the other, across the back. This is less critical for everyday shopping but essential for blazers, structured dresses, and outerwear. Keep the tape level and don't pull. This number helps you understand whether a garment will sit correctly on your frame.
Shoulder width is often overlooked in size charts but makes a huge difference in how a blazer hangs. If your shoulders are narrow, oversized blazers will slip off; if they're broad, tight blazers will pull.
Step six · 2 minutes
Cross-reference with brand size charts
Now that you have your numbers, compare them against the brand's specific size chart—not a generic S/M/L guide. Lay your measurements side by side with the chart's dimensions. If your bust is 36 inches and the size 8 chart lists 36–37 inches, you're a size 8 in that brand. If you fall between sizes, read the product description for fit notes: does it run large, small, or true to size? Check customer reviews for that specific item.
Save your measurements in your phone's notes app. Screenshot size charts from brands you shop frequently. This turns measuring from a one-time chore into a five-second reference.
How to know your measurements are accurate.
Accurate measurements should feel comfortable when you check them—not tight, not loose. The real test comes when you order using these numbers: the garment should fit in the bust and shoulders without gaping or pulling. If something still doesn't fit, compare the actual garment's measurements (usually listed on the product page) to your body measurements, not the size label.
Questions at the mirror.
What if I'm between two sizes on the size chart?
Check the product description for fit notes and read customer reviews. If a dress runs small, size up. If it runs large, size down. When in doubt, choose the size that matches your largest measurement (usually bust or hips) and plan to have the waist tailored if needed.
Do I measure over clothes or on bare skin?
Measure over fitted undergarments or a thin, fitted layer. Bare skin is fine, but avoid measuring over bulky sweaters or bras with padding, as they'll inflate your numbers.
My measurements don't match any single size. What do I do?
This is normal. Most people are one size on top and another on bottom. For that item, choose the size that fits your primary concern (bust for tops, hips for bottoms), then plan for minor tailoring if needed. Many brands offer free hemming or waist adjustments.
How often should I remeasure?
Remeasure annually or after significant weight changes. Your measurements can shift slightly with the seasons, stress, or fitness routines, so it's worth checking every 6–12 months if you shop frequently online.