WebMD have a good ovulation calendar

It works very well, I have used it before! I also used ovulation urine test to make sure it was right with the calendar from webmd and it was.

04
Moms Expertise
    04/02/14
    8Theresa Gould
    I've never used either but it's good information to know to pass along to those wanting and needing those tools. Thanks!
    1
    About Lindsay
    Birth: April 11
    On Moms.com since: Dec 24, 2013
    ~Team Player (Baby)~ 32 years old, married. SAHM. I love my husband and daughter so much!