How to measure accurately

Measure against your body instead of over clothing. whilst wearing the type of underwear you are likely to wear with the garment you are making. 

UPPER ARM : Measure around the fullest part of the upper arm.

BUST : Measure around the the fullest part of the bust under the arms.

WAIST : Measure around the natural waistline (usually just below the ribcage and above the top of the hipbones).

HIPS: With feet together, measure around the fullest part of the hips (around the buttocks). 

THIGH : Measure around the fullest part of the upper thigh.

INSEAM : In bare feet measure from the top of the inside leg, down the inside leg to the floor.


Confused by the Sewillow UK sizes and metric measurements? Fear not, we have a size chart here for all our international makers. Still confused? Get in touch, and we will do our best to help you find your optimal size to sew or knit. 

Also on this page is a handy Unit converter, so that you can easily convert centimetres to inches etc. 

international Women's Clothing Sizes