

1. Measuring with a Flexible Ruler
Place your finger flat on a table.
Hold a flexible ruler across the widest part of your nail.
Ensure the ruler follows the natural curve of your nail.
Read the width in millimetres (mm).
Repeat for each finger.
2. Measuring with Tape
Place a small piece of clear tape over your nail.
Press the tape firmly along the sidewalls.
Mark the widest points on both sides with a pen.
Remove the tape and place it on a ruler.
Measure the distance in millimetres (mm).