From the back of the pattern: small: child-5" adult-6 1/2-7" medium child-5 1/2" adult-7-7 1/2" large child-6" adult 7 1/2-8 xlarge child-6 1/2 adult 8-8 1/2 The patterns shows to measure from the tip of the middle finger to the end of the palm of your hand. Hope that helps.