OFFICIAL GRADE CALCULATOR
Grade = [log(w)*log(W)]/D*HS/2+T/RH+X
Where
w = wingspan
W= weight
D= distance between holds
HS = relative hold size
T= temperature
RH = relative humidity
No ones knows what x is though. Shame about that.
via Ondřej Nevělík
OFFICIAL GRADE CALCULATOR
Grade = [log(w)*log(W)]/D*HS/2+T/RH+X
Where
w = wingspan
W= weight
D= distance between holds
HS = relative hold size
T= temperature
RH = relative humidity
No ones knows what x is though. Shame about that.
via Ondřej Nevělík