Historical Cost Indexes RSMeansOnline
INDEX in 2020 = Note: The city cost indexes for Canada can be used to convert national averages to local costs in Canadian dollars. Time Adjustment Using the Historical Cost Indexes: Index forYear A Index forYear B #215; Cost inYear B = Cost inYear A INDEX 1970 INDEX 2020 #215; Cost 2020 = Cost 1970 #215; 900,000 = .120