Dress Size Measurements Calculator
Enter your bust, waist, and hip measurements to find an approximate dress size in US, UK, EU, and international letter sizing. Use it as a clear starting point before checking the brand's own chart.
How this dress size measurements calculator works
A dress size is usually based on three measurements: bust, waist, and hips. This dress size measurements calculator compares all three with a general size chart and gives you an approximate US, UK, EU, and international letter size. It is useful when you are shopping online, comparing international brands, or checking whether a dress in your wardrobe is likely to fit before you order a similar style.
The result is a starting size rather than a guarantee. Different brands use different proportions, and one dress can fit very differently from another even when both have the same number on the label. A fitted satin midi dress, a stretchy rib-knit dress, and a relaxed shirt dress may all need different choices. The best next step is to open the product's size guide and compare its garment or body measurements with yours.
When your three measurements land in different rows, this calculator chooses the largest matching row. That approach gives a safer first option for non-stretch dresses, zip-back styles, fitted waists, pencil skirts, and bodycon shapes. You can then decide whether the fabric, cut, and reviews suggest staying with that size or trying another one.
How to measure your bust, waist, and hips for a dress
Measure your bust
Stand naturally and wrap a soft tape around the fullest part of your bust. Keep the tape level across your back and avoid pulling it tight. For a fitted bodice, this measurement can determine whether the dress closes comfortably.
Measure your natural waist
Find the narrowest point of your torso, often between the bottom of the ribs and the top of the hips. Do not hold your breath or tighten the tape. Waist measurements are especially important for wrap, belted, corset, and structured dress styles.
Measure your fullest hips
Place the tape around the fullest part of your hips and seat. Keep your feet together and check that the tape has not tilted upward or downward. Hip measurement often drives the size for close-fitting skirts and dresses without stretch.
Take each measurement twice and use the closer result. A flexible sewing tape is best, but a piece of string and a ruler can work in a pinch. Record the numbers in inches or centimeters, then use the same unit for all three fields in the calculator.
Dress size chart: US, UK, EU, and letter size conversion
This table shows the general measurement ranges used by the calculator. Clothing labels are not a body measurement, so use this chart to narrow your options, then verify the retailer's own guide. Numeric conversions can differ by country and by brand, especially across petite, tall, curve, maternity, and designer collections.
| US | UK | EU | Letter | Bust | Waist | Hips |
|---|---|---|---|---|---|---|
| 00 | 2 | 30 | XXS | Up to 29 in | Up to 23 in | Up to 31.5 in |
| 0 | 4 | 32 | XS | 29โ30 in | 23โ24 in | 31.5โ33 in |
| 2 | 6 | 34 | XS | 31โ32 in | 24โ25 in | 33โ35 in |
| 4 | 8 | 36 | S | 32โ33.5 in | 25โ26.5 in | 35โ37 in |
| 6 | 10 | 38 | S | 33.5โ35 in | 26.5โ28 in | 37โ38 in |
| 8 | 12 | 40 | M | 35โ36.5 in | 28โ30 in | 38โ40 in |
| 10 | 14 | 42 | M | 36.5โ38 in | 30โ32 in | 40โ41 in |
| 12 | 16 | 44 | L | 38โ40 in | 32โ33.5 in | 41โ42.5 in |
| 14 | 18 | 46 | L | 40โ42 in | 33.5โ35.5 in | 42.5โ44 in |
| 16 | 20 | 48 | XL | 42โ44.5 in | 35.5โ37.5 in | 44โ45.5 in |
| 18 | 22 | 50 | XL | 44.5โ47 in | 37.5โ40 in | 45.5โ48 in |
| 20 | 24 | 52 | XXL | 47โ49 in | 40โ42.5 in | 48โ50 in |
| 22 | 26 | 54 | XXL | 49โ51.5 in | 42.5โ45 in | 50โ53 in |
What to do when your measurements match different dress sizes
It is normal for your bust, waist, and hips to point to different sizes. For example, you may match a US 8 at the bust, a US 10 at the waist, and a US 12 at the hips. In that case, start with the US 12 for a close-fitting or non-stretch dress, because the garment needs enough room at your largest matching area. Altering or taking in a looser section is usually easier than trying to create extra fabric where the dress is too tight.
Dress cut matters. A fit-and-flare dress may be guided mainly by bust and waist because the skirt has more room. A bodycon or sheath dress usually needs enough room through all three points. A wrap dress may offer more flexibility, while a fabric with elastane can allow a closer size. Read the product description for terms such as stretch, lined, tailored, fitted, oversized, elasticated waist, smocked, or adjustable straps.
Keep an eye on garment reviews as well. Shoppers often mention whether an item runs small, true to size, long in the torso, tight at the hips, or roomy at the bust. Those notes cannot replace measurements, but they can help you decide whether to order your calculated size or compare two nearby options.
Dress sizing tips for online shopping
Start with the result above, but do not stop there. Check whether the retailer lists body measurements or garment measurements. Body measurements describe the person the size is intended to fit, while garment measurements describe the actual item. A dress with a fitted waist needs some room beyond your body measurement, while an oversized dress may already be designed with extra ease.
Consider length as a separate decision. A mini, midi, and maxi dress can all use the same bust, waist, and hip size while looking very different depending on your height and torso length. If you are choosing trousers or jeans for the same order, the pant size calculator by height and weight can help you make a useful comparison before you buy.
Planning clothing for a trip? A dress that works for a warm event may need layers if the forecast changes. Check the rain probability calculator before choosing shoes, outerwear, and fabrics. For a holiday that includes diving, the scuba diving weight calculator helps with separate gear planning. In colder places, the snow day calculator can help you plan practical outfit layers for changing conditions.
Common dress size mistakes to avoid
Using an old measurement
A number from months ago may not match your current fit. Recheck your measurements before ordering an important outfit, particularly for a wedding, party, interview, holiday, or formal occasion.
Measuring over bulky clothing
Thick jumpers, jeans, and layers can add inches and distort your result. Use close-fitting clothes or measure directly over your body for a more useful starting number.
Choosing by the label only
A US 10 in one store may not fit the same as a US 10 elsewhere. Use labels for comparison, but let measurements, garment cut, and brand guidance make the final call.
Dress size measurements calculator FAQ
How do I calculate my dress size from measurements?
Measure your bust at its fullest point, your waist at its natural narrow point, and your hips at their fullest point. Enter those three numbers into the calculator. It compares each one with a general dress size chart and recommends the largest matching size, which is usually the safest starting point for a fitted dress.
Which measurement matters most for a dress size?
It depends on the dress shape. Bust matters most for fitted bodices, waist matters for structured or belted dresses, and hips matter for close-fitting pencil, bodycon, or non-stretch skirt sections. When your measurements fall into different sizes, use the largest match as your first size to try.
Why do my bust, waist, and hips give different dress sizes?
Bodies do not follow one fixed chart. It is common for one measurement to match a smaller size and another to match a larger size. A dress size is only a starting point, so compare the garment's own size chart, fabric stretch, cut, and review notes before ordering.
Should I size up or size down for a fitted dress?
For a fitted dress with little or no stretch, start with the size that fits your largest measurement. If the garment has elastic fabric or adjustable ties, the closer size may work. For a structured zip dress, sizing up is usually safer than choosing a size that is too tight at the bust, waist, or hips.
What is a US size 10 dress in UK and EU sizing?
On this general conversion chart, a US size 10 is approximately a UK size 14 and an EU size 42. However, brands set their own grading rules, so always compare the product page measurements before checkout.
Can I use this calculator for petite, tall, curve, or maternity dresses?
Use the result as a starting size, then choose the retailer's petite, tall, curve, or maternity range if it applies to the garment you want. Those collections may use different proportions, lengths, rise measurements, or body-shape allowances even when the numeric size appears similar.
How should I measure myself for online dress shopping?
Use a soft measuring tape over close-fitting clothing or directly over your body. Keep the tape level and comfortable rather than pulling it tight. Measure bust around the fullest point, waist around the natural waistline, and hips around the fullest part. Recheck each measurement once before ordering.
This tool is for educational purposes only. Always verify important results with a qualified professional.
