How much is 1 Canadian dollars worth in us dollars?

Roughly $0.95 as of September 2014.

However exchange rates change every day so any more-specific answer posted here would be out of date almost immediately. While it's not normal Answers.com policy to say "use the internet", that's the best approach if you want an exact conversion factor. You can check a site such as www . xe.com, CNNMoney, etc. for the latest conversion factors.