Circumference: Take a circumference measurement of the head. Tape should be held in place such that its edge follows the hairline around the head and neck. Front to Nape: Place your tape from the centre of the forehead's hairline straight back over the crown to the centre of the hairline at the nape of your neck. 3. Ear to Ear across forehead: Start measuring from the front of your ear. Place your tape to measure from hairline at base of sideburn and move up along your hairline over your forehead to the same point ending in front of the other ear. 4. Ear to Ear over top: Measure from hairline directly above the ear directly over the top of your head and finish at the hairline above your other ear. 5. Temple to Temple around back: Measure temple to temple and stretch along the back of your head. 6. Nape of Neck: Measure the width of your hairline across the nape of your neck. (See below a standard wig size chart for your reference)