How to Read a Clothing Size Chart for Sewing and Shopping

Learn how to read a clothing size chart: body vs garment measurements, ease, choosing between sizes and turning a chart into a pattern that fits you.

A size chart looks simple: a row of sizes and a column of numbers. Yet many fit problems start with misreading one. Whether you are buying clothes online, choosing a sewing pattern size or turning a seller's chart into a pattern, knowing how to read a clothing size chart properly saves fabric, time and frustration.

What a size chart actually tells you

Every size chart answers one question: which measurements belong to which size? The tricky part is what kind of measurement each number is. There are two types, and charts do not always say which they use.

  • Body measurements describe the person: bust, waist and hip measured on the body. A pattern made from these adds ease on top.
  • Garment measurements describe the finished clothing, measured flat or around the item. They already include ease.

A clue is the size of the numbers. If the "bust" for a medium is noticeably larger than a typical body bust for that size, you are probably looking at garment measurements. Many charts on shopping sites mix both, for example a body bust and a garment length.

The common columns and what they mean

  • Bust or chest: the fullest part of the chest, measured level around the body.
  • Waist: the natural waist, usually the narrowest part of the torso.
  • Hip: the fullest part of the hips and seat.
  • Shoulder: across the back from one shoulder point to the other.
  • Length: usually from the highest shoulder point down to the hem. On trousers it may be outseam (waist to hem) or inseam (crotch to hem).
  • Sleeve length: from the shoulder point to the end of the sleeve.

Check whether the chart is in centimetres or inches. Some charts list both; some quietly switch units between columns.

How to find your size

  1. Take your measurements first. Measure over light clothing with the tape level and snug, not tight. Our complete guide to body measurements walks through each one.
  2. Find the key measurement for the garment. For tops and tunics, bust and shoulder matter most. For trousers, hip and waist are the deciding numbers.
  3. Match that measurement to a size. If you are between sizes, choose the larger for close-fitting styles and consider the smaller for loose, roomy styles.
  4. Check the other measurements. If your waist is two sizes different from your bust, you may need to blend between sizes.

What if you fall between two sizes?

Between-size results are normal. Very few bodies match a single row of a standard chart. Sewists have an advantage here: you can grade between sizes on the pattern, for example a medium at the bust flowing into a large at the hip. Shoppers have to pick the size that fits the most important area and alter the rest.

Understanding ease

Ease is the difference between your body and the garment. Wearing ease lets you breathe, sit and move. Design ease creates the style: a relaxed kameez has much more than a fitted top.

When you read a garment-measurement chart, subtract your body measurement from the garment measurement to see how much ease you will get. A few centimetres at the bust means a close fit; a much larger difference means a loose, flowing fit. This simple check tells you far more than the size label alone.

Standard sizes vs made-to-measure

Standard size runs such as XS to XXXL are built on average proportions. They are efficient for brands and shops because one set of patterns covers most customers. Made-to-measure patterns start from one person's own body measurements instead, which removes most of the guessing.

On Digital Creation, each design can be generated in sizes XS through XXXL or from your own measurements, such as bust, waist, hip, shoulder, lengths and sleeve. You enter body measurements and the pattern adds the ease. Each download also includes a size guide PDF with a fabric table for every size.

Turning a seller's chart into a pattern

If you have found a garment online and want to sew it, its size chart is valuable data. Combined with the product photo it describes both the shape and the proportions. In the photo to pattern tool you can upload the chart as a picture or enter it by hand, then check every number in a table before downloading patterns for every size. Read the column headings carefully at this stage so body and garment measurements are not confused.

Frequently asked questions

Why do sizes differ so much between brands?

There is no single universal standard. Each brand builds its chart from its own target customer and fit, so a medium in one shop can be a large in another. Always compare numbers, not labels.

Should I trust the size label or the measurements?

The measurements. Labels are only names; the numbers tell you how the garment will fit.

Want a pattern that follows your numbers instead of a label? Enter your measurements in the pattern builder and preview your design before you download.