A plus size camisole can look promising online and still leave one important question unanswered: which row in the chart should you compare first? Start with a camisole you already wear comfortably. Lay it flat, measure its chest, waist and length, then use those figures as your reference before choosing from a new product’s size chart.

Use a comfortable plus size piece as your baseline

Choose the camisole that needs the least adjusting during a normal day. Spread it flat on a smooth surface and let it rest naturally. Measure across the chest and waist at the corresponding points, then measure from the top edge to the hem. Write the figures down in centimetres when the online chart uses centimetres. This gives you a garment comparison rather than a guess based on a letter size.

Plus size ranges can cover several rows, so the label you usually buy is only a starting point. The measurements from a reliable reference garment tell you more about the amount of room and length you prefer.

Read all three measurements on the chart

The Red Plus Size Floral Camisole provides chest, waist and length measurements across its published M to 5XL chart. Read the column headings before selecting a row. Chest and waist help you compare the garment body; length helps you consider where the hem may sit. A row that seems close at the chest but differs in length is worth checking again.

• Keep the tape measure level and relaxed over your reference garment.
• Compare chest, waist and length together.
• If two rows are close, choose according to the room and hem placement you prefer.

Plan for how you will wear it

Consider whether you expect to layer the camisole, pack it for a trip, or wear it on its own at home. That plan affects what you consider a comfortable comparison. The chart cannot decide your preferred ease, but it can help you avoid a row that is clearly unlike the camisole already in your drawer.

Avoid pulling your reference garment taut to make its numbers fit. If the published measurements leave you uncertain, pause before ordering and use the product-page information to make a cautious choice.

Check the product chart, then check your plan

The Red Plus Size Floral Camisole may suit a shopper who prefers to compare a known garment with the available chart before ordering. Check its chest, waist and length against your reference piece, then select only the row that supports the way you plan to wear it.

Save your reference measurements

Keep your chest, waist and length figures in your phone notes. The next time you compare a plus size camisole online, you will have a useful baseline ready and can focus on measurements you can check.