Nails Sizing
First, select a nail that fits for the finger.
Next, measure the width of nail beds of your five fingers.
Use the chart below to determine your nails size.
Approx. width (MM)
Xsmall
Thumb 14 / Index finger 10 / Middle finger 11 / Ring finger 10 / Little finger 7
Small
Thumb 15 / Index finger 11 / Middle finger 12 / Ring finger 11 / Little finger 8
Medium
Thumb 16 / Index finger 12 / Middle finger 13 / Ring finger 12 / Little finger 9
Large
Thumb 17 / Index finger 13 / Middle finger 14 / Ring finger 13 / Little finger 10