Many of the calculators previously featured here no longer function on modern browsers, so we have moved them to the updated version here: prognosis.org/physiology.

Have you, or someone you know, ever suffered from HAPE (high altitude pulmonary oedema)?

Units converter

unitconverter.xls
         
                         
    H+ nmol/l   kPa     m  
    pH     mmHg     feet  
                       
    pH     mmHg     feet  
    H+ nmol/l   kPa     m