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Blood Pressure Calculator

Blood Pressure Calculator

This calculator helps you interpret your blood pressure readings and understand what they mean for your health. Blood pressure is measured using two numbers: systolic pressure (the top number) and diastolic pressure (the bottom number).

How to Use This Calculator

  1. Enter your systolic blood pressure (the top number)
  2. Enter your diastolic blood pressure (the bottom number)
  3. Get instant interpretation of your blood pressure category

Blood Pressure Categories

According to the American Heart Association guidelines:

  • Normal: Less than 120/80 mmHg
  • Elevated: 120-129/<80 mmHg
  • Stage 1 Hypertension: 130-139/80-89 mmHg
  • Stage 2 Hypertension: 140 or higher/90 or higher mmHg
  • Hypertensive Crisis: Higher than 180/Higher than 120 mmHg

How to Measure Blood Pressure Accurately

For accurate readings:

  1. Sit quietly for 5 minutes before measuring
  2. Keep your back straight and supported
  3. Keep feet flat on the floor
  4. Support your arm at heart level
  5. Place the cuff directly on bare skin
  6. Take multiple readings and use the average
  7. Measure at the same time each day

Understanding Your Results

  • Systolic Pressure (Top Number): Represents the pressure when your heart beats
  • Diastolic Pressure (Bottom Number): Represents the pressure when your heart rests between beats

Important Notes

  • This calculator is for informational purposes only
  • Blood pressure can vary throughout the day
  • A single high reading does not necessarily mean you have high blood pressure
  • Regular monitoring and recording of blood pressure is important
  • Consult a healthcare provider for proper diagnosis and treatment

Tips for Managing Blood Pressure

  1. Maintain a healthy weight
  2. Exercise regularly
  3. Follow a healthy diet
  4. Limit sodium intake
  5. Manage stress
  6. Limit alcohol consumption
  7. Quit smoking
  8. Take medications as prescribed

When to Seek Medical Attention

Seek immediate medical attention if your blood pressure readings are:

  • Systolic: Higher than 180 mmHg
  • Diastolic: Higher than 120 mmHg

These readings could indicate a hypertensive crisis, which requires emergency medical care.

Remember: This calculator is for informational purposes only and should not replace professional medical advice. Always consult with a healthcare provider for proper diagnosis and treatment of high blood pressure.

Blood Pressure Calculator updated at