The Tape Method
- 1Place a piece of clear tape across the widest part of your natural nail.
- 2Press the tape down so it follows the curve of your nail.
- 3Mark the left and right edges of your nail on the tape.
- 4Remove the tape and stick it onto a flat surface.
- 5Measure the distance between the marks using a ruler (in millimeters).
- 6Repeat for all 10 nails and compare your measurements with our Size Chart.