Measuring with tape

One method is to use a flexible tape measure or adhesive tape to measure the width of your nails. Accurate measurements are essential here, as otherwise, inaccuracies can quickly arise, and your press-ons might end up not fitting perfectly, being too small, or even too large.

1. Apply the tape flat to the nail

2. Mark the widest points on the edge of the nail

3. Stick the tape flat onto a piece of paper and measure the distance