Here is the method about full lace wigs how to measure. Please have a look carefully if you need custom lace wigs some day. If you feel it is a bit hard to give the exact sizes, we can just do a standard medium size with stetch lace in crown. This cap design is very popular in the USA/Canada/ UK at moment.
Measure all around the head. Position tape measure so its edge follows the hair line around the head and nape of the neck. (Average measurement is 22 inches)
Measure from hairline at center of forehead straight back over crown to center of hairline at nape of neck. Note: Place the tape measure about 1/2 inch in front of your hairline in the front of forehead while taking the measure to the back of your Nape (neck) about 1/2 inch below your hairline in the back. Keeping in mind that your cap is glued to the outside perimeter of your natural hairline on your skin. (Average measurement is 14.5 inches)
At front of ear, measure from hairline at base of sideburn, up across the hair line along forehead to same point in front of other ear. (Average measurement is 12 inches).
Measure from hairline directly above the ear across top of head to the hairline directly above the other ear. (Average measurement is 13 inches)
From temple to temple across the back of head. (Average measurement is 14.5 inches). Note: Place the tape measure about 1/2 inch in front of your hairline at the temple to temple point on each side of your head. Keeping in mind that your cap is glued to the outside perimeter of your natural hairline in this area as well
Measure the width of hairline across the nape of the neck. (Average measurement is 5 inches).