Mine says 4th June, so that makes me 6wks today :D  However that doesn't take into account the average length of your cycle, mines 30 days not 28 so going by:

http://measurementsconverter.com/pregnancy_calculator.html  I'm due on 6th June and am 5wks 4 days.

If you use the one leave the Average Luteal Phase Length blank as it defaults to 14. For those of you who don't know the average luteal phase is the days past ovulation.  This just calculates when baby was conceived.

4+2 due 15th June xx

says im 5+2 and due 8th june wooo

oh I just used it and it says i'm due the 31st of may! never mind my ds was late so no doubt this will be too!

cool just tried it and its same as wat the mw told me yesterday im 6weeks 1 day and due on the 1st June xxxxx

i kind of stole this from TTC, it fantastic

http://www.littlewickmedicalcentre.co.uk/edd.htm