Clothing Size Converter

Clothing Size Guide

What should I know about Key Differences?

International clothing sizes vary substantially and the labelling conventions differ in confusing ways. For women's clothing: UK women's sizes typically run 4 sizes higher than US sizes, so a UK 12 equals a US 8. European (EU) sizes are typically the UK size plus 28, so UK 12 = EU 40 = US 8 — but EU sizing is itself inconsistent between countries (Italian, French, and German conventions sometimes differ). For men's shirts: UK and US use chest measurement in inches (15, 15.5, 16 etc. — the collar size for formal shirts, with chest size as additional measurement); EU uses chest circumference in centimetres (38, 40, 42 cm collar, or 96, 102, 108 cm chest). Suit sizes in UK/US use chest in inches plus a letter for body length (40R = regular, 40L = long), while EU uses chest in cm. For shoes: UK sizes are about 1 to 1.5 less than US for women (UK 6 ≈ US 7.5), about 0.5 less for men (UK 9 ≈ US 9.5–10). EU shoe sizes run higher than both and don't follow a simple offset — UK 6 ≈ EU 39, UK 8 ≈ EU 42, UK 10 ≈ EU 44.5. Asian shoe sizing usually labels with the foot length in centimetres (e.g. 25 cm), which is the most direct measurement. The calculator handles all the standard conversions, but knowing the rough pattern — UK women's = US + 4 = EU − 28 — gets you most of the way for shopping. Always check the brand's own size chart when ordering, as conversions vary by manufacturer.

What should I know about Always Check Measurements?

Size labels are notoriously inconsistent between brands, and a UK 14 in one brand may fit like a UK 12 in another and a UK 16 in a third — a phenomenon sometimes called 'vanity sizing', where brands flatter customers by labelling larger garments with smaller numbers. The same retailer's house brands often size differently from each other. This makes returning to a size you wore years ago meaningless if the brand has changed its sizing since, and makes shopping across brands frustrating. The reliable solution is to ignore the label and check actual measurements against your body. Most quality online retailers publish a size chart with key measurements (bust, waist, hips for women; chest, neck, sleeve, waist for men) in both cm and inches. Measure yourself accurately: use a soft tape measure pulled snug but not tight; for bust measurement, wear the bra you'd wear with the garment; for waist, find your natural waist (typically the narrowest part of the torso, often above the navel); for hips, measure the widest part. Hold the tape level and parallel to the floor. Compare your measurements with the chart and pick the size that fits your largest measurement — for a women's dress, that's typically the bust or hips, whichever needs the larger size. Garment-specific fit (loose, fitted, oversized) is shown in product descriptions and matters more than the size number. For international online shopping, brand size charts are essential rather than optional — and reading recent reviews to see whether items run small or large is often the deciding factor between sizes.

What do I need to know about Asian Sizing?

Asian clothing brands generally run 1–2 sizes smaller than Western equivalents for the same labelled size, sometimes more, and shoppers buying from Asian brands online frequently size up to compensate. Japanese and Korean sizing typically runs 1–2 sizes smaller — a 'Medium' in a Japanese brand is often closer to a Western 'Small'. Chinese sizing for clothing manufactured for the domestic market is similarly compact: a Chinese 'Small' often fits like a Western 'Extra Small'; Chinese sizing for export-market clothing usually uses Western conventions, but the line isn't always clear. The compactness applies less to fast-fashion brands designing for global markets (Uniqlo, for example, sizes broadly consistent with European norms) than to traditional Asian brands designing for local body shapes. For shoes specifically, Asian shoe sizes commonly use foot length in centimetres or in 'mondopoint' (foot length in millimetres divided by 10), which is the most direct and unambiguous system. A UK size 6 woman has roughly 24 cm foot length; UK 8 men ≈ 26.5 cm. For men's shoes, the Korean (mondopoint) size is simply the foot length in millimetres — UK 8 ≈ Korean 265, UK 9 ≈ Korean 270–275. For online shopping from Asian retailers, sizing up is almost always safer than sizing down — clothes that are too big can be tailored or worn loose, but those that are too small are useless. Read recent customer reviews, especially from buyers in the same country as you, to spot patterns ('I usually wear UK 12, ordered XL, fits like UK 14'). When in doubt, the size chart's actual measurements (not the letter/number labels) are what matter.

What's the key thing to understand about Travel Safety and Preparation?

Before any international trip: check the Foreign Commonwealth and Development Office (FCDO) travel advice for your destination at gov.uk/foreign-travel-advice — advisories change frequently. Register your trip with the FCDO if travelling to a high-risk destination. Take two copies of all documents (passport, insurance, bookings) — one in luggage, one left at home with a trusted contact. Share your itinerary with someone at home. Travel insurance is not optional — a single overseas medical emergency can cost tens of thousands of pounds without cover. Always check your policy explicitly covers your specific activities (winter sports, watersports, high-altitude trekking often need separate cover) and any pre-existing medical conditions, since a mismatch here is the most common reason claims get refused.

How Do Vanity Sizing Trends Affect Older vs New Clothing?

Vanity sizing is the well-documented practice of labeling garments with a smaller size number than the equivalent measurements would have carried decades earlier, without changing the actual body measurements the size is meant to fit. A US size 8 dress today is cut roughly two sizes larger in the waist and bust than a size 8 from the 1960s. This matters for anyone converting a vintage or inherited garment's size label, or comparing a decades-old sizing chart to a current one — the label number is not a stable reference point over time, only the brand's current chart is. Because vanity sizing has moved at different speeds in different countries, cross-border conversions based on old charts drift even further from today's actual fit.

Worked example: converting a mother's 1975 US size 10 dress for a daughter today. The 1975 size 10 waist measurement (around 26 inches) corresponds to roughly a modern US size 4-6, not a modern size 10 — so relying on the printed number alone would produce a dress several sizes too large. The safest approach for any vintage item is to measure the garment directly (flat-lay bust, waist, and hip) and match those measurements to a current brand's size chart, ignoring the label entirely.

How Should You Convert Sizes for Online Shopping Across Borders?

When ordering from an overseas retailer, the single most reliable method is ignoring the size label entirely and checking the brand's own measurement chart against actual body measurements (bust, waist, hip) in centimetres or inches — because even within one country, two brands labeled 'size 10' can differ by a full size in actual garment measurements, a gap that's only magnified once a currency and country border is added. Many international retailers now show a size chart in multiple regional scales directly on the product page, which is the most dependable source precisely because it reflects that specific brand's actual cut rather than a generic cross-country conversion table. When no such chart is available, finding the brand's home-market size chart and converting using actual garment measurements (not the label number) remains the safest fallback, especially for dresses where bust-to-waist ratio and cut style vary more between brands than almost any other garment type.