Clothing measurements
Head circumference
The measurement around the head, used to size hats and caps.
Measure around the head just above the eyebrows and ears, where a hat would sit, keeping the tape level.
Hat sizes are often given directly as head circumference in centimetres, or as letter sizes based on it.
AHead circumferenceHow to measure
Measurement A: Wrap the tape all the way around at this point, keeping it snug but level.
Size charts that use head circumference
1 templateAdd a clear size chart to your Shopify store
Jotly adds a size chart with a labelled how-to-measure drawing and a cm/in switch to your Shopify product pages.