You can also use a website like Shadowstats, which calculates inflation under the old methods along with the new.
http://www.shadowstats.com/alternate_data/inflation-charts
Oh please don't post graphs from shadowstats. The website is not legit and the guy has been debunked by many people
http://voxrationalis.wordpress.com/2011/05/15/the-absurdity-of-shadowstats-inflation-estimates/
http://azizonomics.com/2013/06/01/the-trouble-with-shadowstats/
http://blog.jparsons.net/2011/03/shadow-stats-debunked-part-i.html
http://blog.jparsons.net/2011/06/shadow-stats-debunked-part-ii.html
Please refer to MIT's "billion Prices Project" which show similar stats to CPI
http://bpp.mit.edu/usa/