Sizes PP, SS

PP and SS Round Stone Sizes

You will often see mention of a PP or SS size in relation to Swarovski stones, be they Flat Backs, Chatons, stone sizes, crysal stones, etc. The follow chart will provide you invaluable assistance in determining what these size notations mean.

PP SS stone sizemm metric measurementPP, SS
Both PP (Pearl Plate) and SS (Stone Size, or Sieve Size) is used in the industry to classify round jewellery stones.

mm
mm is the metric measurement used for Fancy stones and Geometric shapes.

Swarovski Round Stone Size Table

(Download: Swarovski Size table with visual sizing-dots / .pdf 149kb)
PP 1 (SS 000)
0.80–0.90 mm
0.032–0.035 in.
PP 22 (SS 10)
2.80–2.90 mm
0.11 in.
SS 27
5.78–5.96 mm
0.23 in.
SS 48
10.91–
11.30 mm
0.43–0.45 in.
PP 2 (SS 00)
0.90–1.00 mm
0.035–0.039 in.
PP 23 (SS 11)
2.90–3.00 mm
0.11–0.12 in.
SS 28
5.96–6.14 mm
0.23–0.24 in.
SS 49
11.30–
11.72 mm
0.45–0.46 in.
PP 3 (SS 0)
1.00–1.10 mm
0.039–0.043 in.
PP 24 (SS 12)
3.00–3.20 mm
0.12–0.13 in.
SS 29
6.14–6.32 mm
0.24–0.25 in.
SS 50
11.72–
11.97 mm
0.46–0.47 in.
PP 4 (SS 1)
1.10–1.20 mm
0.043–0.047 in.
PP 25 (SS 13)
3.20–3.30 mm
0.13 in.
SS 30
6.32–6.50 mm
0.25–0.26 in.
SS 55
12.97–
13.22 mm
0.51–0.52 in.
PP 5 (SS 2)
1.20–1.30 mm
0.047–0.051 in.
PP 26 (SS 13)
3.30–3.40 mm
0.133 in.
SS 31
6.50–6.68 mm
0.26 in.
SS 60
14.22–
14.47 mm
0.56–0.57 in.
PP 6 (SS 2)
1.30–1.35 mm
0.051–0.053 in.
PP 27 (SS 14)
3.40–3.50 mm
0.133–0.14 in.
SS 32
6.68–6.87 mm
0.26–0.27 in.
SS 65
15.47–
15.72 mm
0.57–0.62 in.
PP 7 (SS 3)
1.35–1.40 mm
0.053–0.055 in.
PP 28 (SS 14)
3.50–3.60 mm
0.14 in.
SS 33
6.87–7.07 mm
0.27–0.28 in.
SS 70
16.72–
16.97 mm
0.66–0.67 in.
PP 8 (SS 3)
1.40–1.50 mm
0.055–0.059 in.
PP 29 (SS 15)
3.60–3.70 mm
0.14–0.15 in.
SS 34
7.07–7.27 mm
0.28–0.29 in.
SS 75
17.97–
18.22 mm
0.71–0.72 in.
PP 9 (SS 4)
1.50–1.60 mm
0.059–0.063 in.
PP 30 (SS 15)
3.70–3.80 mm
0.15 in.
SS 35
7.27–7.48 mm
0.29–0.30 in.
 
PP 10 (SS 4)
1.60–1.70 mm
0.063–0.067 in.
PP 31 (SS 16)
3.80–4.00 mm
0.15–0.16 in.
SS 36
7.48–7.70 mm
0.30 in.
 
PP 11 (SS 5)
1.70–1.80 mm
0.067–0.071 in.
PP 32 (SS 17)
4.00–4.10 mm
0.16 in.
SS 37
7.70–7.93 mm
0.30–0.31 in.
 
PP 12 (SS 5)
1.80–1.90 mm
0.071–0.075 in.
PP 33 (SS 17)
4.10–4.20 mm
0.16–0.17 in.

SS 38
7.93–8.16 mm
0.31–0.32 in.
 
PP 13 (SS 6)
1.90–2.00 mm
0.075–0.079 in.
SS 18
4.20–4.40 mm
0.17 in.
SS 39
8.16–8.41 mm
0.32–0.33 in.
 
PP 14 (SS 6)
2.00–2.10 mm
0.079–0.083 in.
SS 19
4.40–4.60 mm
0.17–0.18 in.
SS 40
8.41–8.67 mm
0.33–0.34 in.
 
PP 15 (SS 7)
2.10–2.20 mm
0.083–0.087 in.
SS 20
4.60–4.80 mm
0.18–0.19 in.
SS 41
8.67–8.95 mm
0.34–0.35 in.
 
PP 16 (SS 7)
2.20–2.30 mm
0.087–0.091 in.
SS 21
4.80–4.90 mm
0.19 in.
SS 42
8.95–9.23 mm
0.35–0.36 in.
 
PP 17 (SS 8)
2.30–2.40 mm
0.091–0.095 in.
SS 22
4.90–5.10 mm
0.19–0.20 in.
SS 43
9.23–9.53 mm
0.36–0.38 in.
 
PP 18 (SS 8)
2.40–2.50 mm
0.095–0.098 in.
SS 23
5.10–5.27 mm
0.20–0.21 in.
SS 44
9.53–9.85 mm
0.38–0.39 in.
 
PP 19 (SS 9)
2.50–2.60 mm
0.098–0.10 in.
SS 24
5.27–5.44 mm
0.21 in.
SS 45
9.85–10.19 mm
0.39–0.40 in.
 
PP 20 (SS 9)
2.60–2.70 mm
0.10–0.106 in.
SS 25
5.44–5.61 mm
0.21–0.22 in.
SS 46
10.19–10.54 mm
0.40–0.41 in.
 
PP 21 (SS 10)
2.70–2.80 mm
0.106–0.11 in.
SS 26
5.61–5.78 mm
0.22–0.23 in.
SS 47
10.54–10.91 mm
0.41–0.43 in.
 

 

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