Shape, Length & Size Reference
Shape & Size Reference
✦ Choose your shape
Round
Natural & everyday
✦ Find your set size
Measure the widest flat part of your nail bed in mm. Match your measurement to a size number, then read across to find your set size to select at checkout.
| Nail bed width | Size # | Set size |
|---|---|---|
| ≥ 15 mm | 0 | XL |
| 14 – 15 mm | 1 | XL |
| 13 – 14 mm | 2 | L |
| 12 – 13 mm | 3 | L |
| 11 – 12 mm | 4 | M |
| 10 – 11 mm | 5 | M |
| 9 – 10 mm | 6 | S |
| 8.5 – 9 mm | 7 | S |
| 8 – 8.5 mm | 8 | XS |
| < 8 mm | 9 | XS |
Between sizes? Always size up — you can file the edges, but can't add material back. If your nails fall across two set sizes, request a custom order →
Want to find your size?
Follow our step-by-step guide to measure your nail bed width at home.
Still not sure about your size?
Use the American Quarter Photo Method — snap a photo of each nail next to a US quarter and Ploy will measure for you personally.
Get sized by Ploy →