Daily average exchange rate of the US dollar in Canadian dollars. daily Canadian dollars per US dollar Business daily 1.3649 1.3674 1.3702 1.3673 1.3636 1.3638 1.3700 1.3678 1.3637 1.3635 1.3681 1.3696 1.3686 1.3740 1.3765 1.3767 1.3700 1.3746 1.3751 1.3743 1.3723 1.3709 1.3698 1.3702