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Contributors to this site
Author and webmaster
Christian Bachmann has a basic university education in human medicine and a university degree in biology. He has been a scientific and medical writer, an editor of book and journals since 1976, and a webmaster since 1996.
He owns this website and is solely responsible for its contents. Read more about the limitations of his liability.
bachmann (at) gesundheit (dot) ch
Scientific and expert support
David Fäh, MD, MPH, is a researcher and lecturer at the University of Zurich, and an author of numerous scientific publications on nutrition, metabolism, body weight, obesity and health. He has given valuable support for developing calculator formulae and for fine-tuning graphic and text output. He also has written the page "losing weight without any stress" on this website.
Heinrich von Grünigen, MD h.c., has been a council member of SAPS, the Swiss Adiposity Foundation, since 1998 and its president and executive director since 2001. He has been awarded the honorary title of Dr. honoris causa 2011 by the University of Zurich, in recognition of his pioneer and educational work in the fight against health and social problems caused by obesity. He has been a crucial door-opener and editorial contributor.
Site history and early contributors
The first version of this site has been based to a large extent on data collected from a life expectancy calculator, for which the author is indebted to the University of Zurich Institute of Social and Preventive Medicine, to Roger Gösele and to the Eduard Aeberhardt Foundation.
The autor expresses his gratitude to all the persons and institutions mentioned above. This site would not have been possible without their valuable manpower, and their expert and financial support.
Copyright and commercial aspects
Photo and image credits
The author owns the copyright on all the images, unless otherwise specified.
The reproduction of any text and image content of this website in printed or electronic form is not allowed unless expressly permitted by the author.
Use free of charge
The use of this calculator is free of charge. This service is only possible due to paid advertising that has been included. Read more ...
About this calculator
What you should know about the results of the Smart BMI Calculator.
7 million until January 2017