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Boulder Grade Conversion Table

Font Grade V Grade SA Route Grade
(approximate)
Peak
Bouldering
4 V0 B1
4+ V0+ B2
5 V1 B3
5+ V2 B4B5
6a V3
6a+
6b V4
6b+
25
6c V5 26 B6
6c+
7a V6 2728 B7
7a+ V7 B8
7b V8 29 B9
7b+ V9 30 B10
7c
31
7c+ V10 32 B11
8a V11
B12
8a+ V12 33
8b V13 34 B13
8b+ V14 35 B14
8c V15 B15
8c+ V16 B16
Note: Route grades are only an estimate as it’s difficult to equate an exact boulder/route grade comparison, and only apply to traverses.

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