This might help you guys (Excel stuff):
American odds to Decimal odds:
A1=type etc. -126
B1=IF(A1<0;ROUND(1+100/ABS(A1);3);(A1+100)/100)
C1=SUM(1/B1)*100
C1 tells probability%
Decimal odds to American odds:
A2= type etc. 1.43
B2=IF(A2<2;-ROUND(1/(A2-1)*100; 0);IF(A2=2;"Even";A2*100-100))
C2=SUM(1/A2)*100
C1 tells probability%
And if you can estimate probabilities:
A3= type % etc. 56
B3=SUM(100/A3)
C3=IF(B3<2;-ROUND(1/(B3-1)*100; 0);IF(B3=2;"Even";B3*100-100))
B3 tells break even price (decimal)
C3 tells break even price (american)
American odds to Decimal odds:
A1=type etc. -126
B1=IF(A1<0;ROUND(1+100/ABS(A1);3);(A1+100)/100)
C1=SUM(1/B1)*100
C1 tells probability%
Decimal odds to American odds:
A2= type etc. 1.43
B2=IF(A2<2;-ROUND(1/(A2-1)*100; 0);IF(A2=2;"Even";A2*100-100))
C2=SUM(1/A2)*100
C1 tells probability%
And if you can estimate probabilities:
A3= type % etc. 56
B3=SUM(100/A3)
C3=IF(B3<2;-ROUND(1/(B3-1)*100; 0);IF(B3=2;"Even";B3*100-100))
B3 tells break even price (decimal)
C3 tells break even price (american)