Clinical Tools

BP Calculator

BMI Calculator

Alcohol Units Calculator

BP Calculator

In order to obtain a representative blood pressure, take two or more BP readings then average them using this tool to calculate a average systolic and diastolic BP. 

The Clinical Tool Calculators provided on this website are intended for informational purposes only. The calculators are not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your blood pressure or any other medical condition.

Using the Blood Pressure Monitor and Monitoring

  • Follow the instructions that came with your monitor.
  • The cuff should be placed about 2cm above your elbow to make sure it can detect the artery in your arm.
  • Keep still and quiet while you take your reading. Make sure you don’t cross your legs, as this will raise your reading.
  • Take at least 2 blood pressure readings, 1-2 minutes apart, each morning & evening, ideally for 7 consecutive days.
  • If the first two readings you take are very different, take 2 or 3 further readings.
  • Write your readings in your blood pressure diary below exactly as they appear on screen. Do not round the numbers up or down.
  • Return the Blood Pressure Diary (& BP monitor if borrowed) to your GP practice

You can access this YouTube video which shows how to use a blood pressure monitor

BMI Calculator

For more information on BMI please click the button to visit the NHS website

Information from the NHS website is licensed under the Open Government Licence v3.0″ and, where possible, include a link to the Open Government Licence.

Alcohol Units Calculator

Simply select the type of drink from our list of options, enter the drinks per week of that particular beverage, add multiple drinks and find out the number of alcohol units by calculating the Units per week.

A good place to start is with a GP. Try to be accurate and honest about how much you drink and any problems it may be causing you.

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