Blood Pressure Calculator

Q: What do the numbers mean?

Systolic (top): pressure when heart beats. Diastolic (bottom): pressure when heart rests between beats. Both matter, but systolic is typically more important after age 50.

Blood Pressure Category

Systolic (top number)

Diastolic (bottom number)

Formula

MAP = Diastolic + (Systolic - Diastolic) / 3 | Pulse Pressure = Systolic - Diastolic

Frequently Asked Questions

What is normal blood pressure?

Normal: below 120/80 mmHg. Elevated: 120-129/<80. Stage 1 Hypertension: 130-139 or 80-89. Stage 2: 140+ or 90+. Hypertensive crisis: 180+ or 120+.

What do the numbers mean?

Systolic (top): pressure when heart beats. Diastolic (bottom): pressure when heart rests between beats. Both matter, but systolic is typically more important after age 50.

You may also need

BMI Calculator

Free Body Mass Index (BMI) calculator. Calculate your BMI using metric or imperial units. Understand your BMI category and what it means for your health.

Health

Heart Rate Zone Calculator

Free heart rate zone calculator. Find your target heart rate zones for fat burn, cardio, and peak performance based on age and resting heart rate.

Health

Calorie Calculator

Free calorie calculator. Estimate your daily calorie needs (TDEE) based on age, gender, height, weight, and activity level. Plan for weight loss or gain.

Health