Method 1: Soft measure tape

Measure across the widest part of your nail bed, following its natural curve from edge to edge with flexible measuring tape.

Method 2: Tape / Paper

1. Place a strip of tape across the widest part of your nail bed, following its natural curve.
2. Mark both edges of your nail at the widest point.
3. Remove the tape and measure the distance between the marks with a ruler.

Tip: Sizing up if you are in-between sizes or have flatter nail beds.