What is normal blood pressure?

Normal blood pressure is less than 120/80 mmHg. A reading of 120-129/less than 80 is considered elevated. Readings of 130/80 or higher are classified as high blood pressure (hypertension) by the American Heart Association.

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Category	Systolic (mmHg)	Diastolic (mmHg)	What to Do
Low (Hypotension)	Below 90	Below 60	Increase fluid/salt intake; see doctor if symptoms appear
Normal	Below 120	Below 80	Maintain healthy lifestyle; recheck annually
Elevated	120–129	Below 80	Lifestyle changes; recheck in 3–6 months
High Blood Pressure Stage 1	130–139	80–89	Consult doctor; medication may be needed
High Blood Pressure Stage 2	140 or higher	90 or higher	Medical treatment required; lifestyle changes essential
Hypertensive Crisis	180 or higher	120 or higher	⚠️ Seek emergency medical care immediately

What is Blood Pressure?

Blood pressure is the force your blood exerts against the walls of your arteries as your heart pumps it around your body. It is measured in millimetres of mercury (mmHg) and recorded as two numbers: systolic pressure (when the heart beats) over diastolic pressure (when the heart rests between beats).

A blood pressure reading of 120/80 mmHg is considered the textbook "normal." The first number (systolic) should ideally be below 120, and the second number (diastolic) should be below 80, according to the American Heart Association (AHA) and World Health Organization (WHO).

What Do the Two Numbers Mean?

Systolic pressure (top number) — This is the peak pressure in your arteries when your heart contracts and pumps blood out. It is always the higher of the two numbers.

Diastolic pressure (bottom number) — This is the pressure in your arteries when your heart relaxes between beats and refills with blood. It is always the lower of the two numbers.

What Causes High Blood Pressure?

Excess salt intake — Causes fluid retention, increasing pressure on artery walls
Obesity — Extra body weight forces the heart to pump harder
Lack of physical activity — A sedentary lifestyle weakens the heart over time
Chronic stress — Releases hormones that temporarily raise BP and damage arteries long-term
Smoking and alcohol — Both damage blood vessel walls and raise BP
Family history — Genetics play a significant role in hypertension risk
Kidney disease — The kidneys regulate blood pressure; kidney damage disrupts this

How to Lower Blood Pressure Naturally

Reduce sodium intake to below 2,300 mg per day (ideally 1,500 mg)
Follow the DASH diet — rich in fruits, vegetables, whole grains, and low-fat dairy
Exercise 150 minutes of moderate aerobic activity per week
Maintain a healthy body weight (BMI 18.5–24.9)
Limit alcohol to 1 drink/day (women) or 2 drinks/day (men)
Quit smoking — BP drops within 20 minutes of your last cigarette
Manage stress through meditation, yoga, or deep breathing

⚕️ Medical Disclaimer: This tool is for informational purposes only and is not a substitute for professional medical advice. Always consult a qualified healthcare provider for diagnosis and treatment.

Frequently Asked Questions

Normal blood pressure is less than 120/80 mmHg. A reading of 120–129 systolic with less than 80 diastolic is considered "elevated." Readings of 130/80 or above are classified as high blood pressure (hypertension) by the American Heart Association.

Systolic pressure (the top number) measures the pressure in your arteries when your heart beats. Diastolic pressure (the bottom number) measures the pressure when your heart rests between beats. A reading of 120/80 means 120 systolic and 80 diastolic.

High blood pressure can be caused by excess salt intake, obesity, lack of exercise, chronic stress, smoking, excessive alcohol, family history, and kidney disease. In many cases there is no single identifiable cause — this is called essential hypertension, which accounts for about 90% of cases.

Adults with normal blood pressure should check at least once every 1–2 years. If you have elevated or high blood pressure, check every 3–6 months or as advised by your doctor. For home monitoring, check at the same time each day (morning before medication and evening), take 2–3 readings and average them.

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