Odd thought whilst taking my blood pressure at home: Why are the values measured in millimeters of mercury? I asked Wolfram-Alpha to convert pressure to pascals. Take the mmHg value and multiply it by 20265/152 for Pa. #HomeDiagnostics #BloodPressure #conversion #wolframalpha https://www.wolframalpha.com/input?i=152+mmHg+in+pascals