Two Photos End Size Guessing for Shoppers Between Sizes
If your measurements fall between sizes, size to your largest measurement and prefer the larger size for bottoms and layered garments. Size down only for structured, non-stretch pieces where a snug fit is the point, and check the fabric for stretch before deciding. A photo-based sizing tool can take the guesswork out of this if you would rather skip the math.
TL;DR:Size to your largest measurement and favor the larger size for bottoms and layered garments unless the fabric is non-stretch, in which case sizing down may be safe.
Check fabric content for stretch; fabrics with elastane or spandex often allow sizing down reliably.
For in-between sizes, always select the larger size for easier tailoring and re-measure every few months to account for body changes.
Comparing flat measurements and customer photos provides better fit predictions than relying solely on size labels, especially online.
Use a photo-based size profile tool to match your measurements and style preferences to brands, minimizing sizing guesswork and returns.
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Table of Contents
Quick rules for choosing a size fast
When you are standing in a fitting room or scrolling a product page with no time to overthink it, a short checklist beats a long debate.
Size to your largest relevant measurement, whether that is bust, chest, or hips.
Choose the larger size for bottoms, knitwear, and anything you plan to layer.
Choose the smaller size for structured, non-stretch garments like blazers or tailored trousers.
Check the fabric content: more stretch means more room to size down safely.
Still unsure? Order two sizes if the retailer offers free returns, or check customer photos for fit notes.
Pro Tip: Keep a mental note of which brands “run small” so you can skip straight to the larger size next time instead of relitigating the decision.
How to measure yourself and match it to a size chart
Accurate sizing starts with accurate measurements, and most fit mistakes trace back to sloppy measuring rather than a bad size chart. Use a soft tape measure, stand naturally, and measure over light clothing or none at all.
Bust or chest: wrap the tape around the fullest part, keeping it parallel to the floor.
Waist: measure at your natural waistline, usually just above the belly button, without pulling the tape tight.
Hips: measure around the widest point, generally 7 to 9 inches below the waist.
Inseam: measure from the crotch seam to the bottom of the ankle on a pair of pants that fits well.
Back waist length: measure from the base of your neck to your natural waistline, a figure that matters most for dresses and jackets.
Take each measurement three times and record the largest number. A sewing and pattern selection guide recommends choosing a pattern or size based on the largest relevant measurement, since it is easier to take in a slightly loose garment than to let out a tight one. The same guide advises re-measuring every few months, since body shape shifts enough over that time to change which size fits best.
One-size rule worth remembering: garment brands and sewing authorities alike tell shoppers to measure at the largest point of the body part in question, then size to that number rather than splitting the difference. If a brand’s own chart conflicts with the garment’s flat measurements, trust the flat measurements. Our detailed bust waist hip measurement guide walks through tape placement and posture in more depth if you want a visual reference.
Fit rules change by garment type
A single “size up” rule does not hold across every category of clothing, since fit priorities shift depending on what the garment is built to do.
Tops and shirts: shoulder breadth matters as much as chest size, especially for buttoned shirts, since a tailor can take in side seams but cannot easily widen shoulders.
Bottoms and pants: prioritize waist and hip measurements, then check the rise and inseam. When between sizes, size up: a looser waist is easier to fix with a belt than a tight one is to fix at all.
Dresses: choose based on whichever measurement controls the silhouette. That means bust for a fitted bodice and hips for a pencil skirt shape.
Outerwear: size for what you will wear underneath. A coat meant for layering should fit generously through the shoulders and sleeves.
Knit and stretch garments: fabrics with meaningful elastane or spandex content recover their shape, so sizing down is often safe. Check the fabric label before assuming stretch will bail you out.
Our men’s shirt sizing guide covers chest, shoulder, sleeve, and collar fit in more detail for anyone shopping specifically for shirts.
Simple tailoring fixes for a near-miss fit
A garment that is close but not quite right is often worth fixing rather than returning, especially if it is a wardrobe staple you will wear often.
Side seams: taking in or letting out side seams is one of the most common and least expensive alterations a tailor handles.
Hems: shortening pant legs or a dress hem is a quick fix, typically priced well below the cost of a replacement garment.
Sleeves: tapering or shortening sleeves fixes the most common complaint with jackets and shirts bought a size up.
Waistbands: adjusting a waistband is straightforward on pants and skirts with enough seam allowance.
For temporary fixes, a belt, hem tape, or an elastic insert can buy you time before a trip to the tailor. As a decision rule, get something altered when the cost is a small fraction of what the garment is worth and you expect to wear it regularly. Bring a well-fitting reference piece with you so the tailor has something concrete to match.
Pro Tip: Bring the exact shoes or layers you plan to wear with the garment, since hem length and sleeve fit both change depending on what is underneath.
Smarter shopping tactics when you’re between sizes
Online shopping removes the ability to try something on, so a few habits make up the difference.
Always check the garment’s flat measurements, not just the size label, before ordering.
Read customer photos and fit notes when available, since they often flag whether a brand runs small or large.
Keep a running log of which brands fit true to size and which run small, so future purchases take less guesswork.
Favor retailers that publish detailed garment measurements and offer flexible, free returns.
A designer size conversion guide can help when comparing numeric and alpha sizing across brands, and a two-minute method for reading size charts is worth bookmarking for quick reference. Our own clothing size conversion chart covers international sizing differences in more depth.
How ClothME’s free size tool removes the guesswork
A photo-based size profile tool lets you see only items that match your measurements and style preferences, without doing any of the manual measuring described above yourself.
Upload two photos to generate a size profile.
Some tools allow saving profiles for family members, which can be useful for shopping for children with frequently changing sizes.
Filter product matches by fit, color, and fabric preference across different brands.
Such profiles reduce returns caused by inconsistent sizing between brands, since they account for actual body proportions rather than a single size label.
What this solves: inconsistent sizing across brands is the core reason shoppers end up between sizes in the first place, and a profile tied to your body rather than one brand’s chart sidesteps that problem directly.
One framework to carry into your next purchase
Size to your largest measurement, favor the bigger size for bottoms and layers, and save tailoring for pieces worth the investment. Measure yourself every few months, since bodies change more than most people expect, and keep a simple log of which brands run true and which run small. If you would rather skip the spreadsheet, a tool like ClothME can generate that profile for you from two photos.
— admin
Try ClothME’s free size tool today
A free size tool can turn two photos into a personal size profile and match you to products across brands without manual measurements. Some offer saving profiles for other family members to expedite repeat shopping for kids or partners.
Visit ClothME to generate your profile and start seeing products sized to fit, not just labeled to guess at.
Sources
This guide draws on the NMSU pattern selection guide, the ASTM D5585 body measurement standard, and the Carhartt fit guide for practical sizing examples.
Selecting a Pattern Size for Perfect Fit (NMSU extension)
FAQ
What does “between sizes” mean?
Being “between sizes” means your body measurement, such as waist or bust, falls numerically between two size options on a brand’s chart, with neither size matching exactly. It usually means one size will be slightly tight and the next will be slightly loose.
What should I do if I’m in between sizes?
Measure yourself at the largest relevant point and choose the size that corresponds to that number, since it is easier to take in a loose garment than to force a tight one. The NMSU sewing guide recommends this approach and also suggests re-measuring every few months as bodies change.
If I’m between sizes, should I size up or down?
For bottoms, knitwear, and layered pieces, size up, since the Carhartt fit guide and similar brand charts repeatedly advise choosing the larger size when a measurement falls between two options. Size down only for structured, non-stretch garments where a closer fit is intentional and a tailor can still take in extra room.
Is a 32 waist a size 12 or 14?
The answer depends entirely on the brand, since numeric sizing is not standardized across companies even when the waist measurement is identical. Check the specific brand’s own size chart or garment flat measurements rather than assuming a universal match between waist inches and a size number.