Sizing guide

How to measure your nails

how to measure your nails

  1. Place tape over the nail

    Stick a small piece of clear or paper tape across the widest part of your natural nail.

  2. Press into the nail edges

    Gently press the tape down on both sides so you can feel exactly where the nail ends.

  3. Mark the edges with a pen

    Draw a short line on the tape at each side of the nail, right at the widest point.

  4. Check the lines are straight

    Both marks should be straight and parallel – redo them if one is slanted.

  5. Remove the tape

    Peel the tape off carefully and stick it flat on a table.

  6. Measure in millimetres

    Measure the distance between the two marks with a ruler. Repeat for all five fingers.

Size chart

Width of the widest part of each natural nail, in millimetres.

Nail width in millimetres for each size
SizeThumbIndexMiddleRingLittle
XS14 mm10 mm11 mm10 mm8 mm
S15 mm11 mm12 mm11 mm9 mm
M16 mm12 mm13 mm12 mm10 mm
L17 mm13 mm14 mm13 mm11 mm

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