You can even change the language with the language file and change the layout with the css file.
NEW VERSION !
Now with graph and adjustable settings in admin part !!
Totally for Free!!!!
I would also be interested in similar extensions for BMR (Basal Metabolic Rate) and Waist to Hip Ration calculators. I would purchase these if they were developed.
Oh, and an absolute Bargain!
Yes, is only 2 usd, but is not free...
By the way, It only came with English system, not in Metric system.
Could you please tell me why you think it is poor ? Besides that you think it is an english system only.
Because it is both an English as a metric system!
You let your visitors choose between metric or english system. It is a option on your website, not on the backend.
So I cannot see why you would say it is a English system only. Please look more closely on my demo site. You will see the option there. And this option comes with the download. So you have both.
I never said it would be free.