Pulse Pressure Calculator SBP − DBP. Systolic (mmHg) Diastolic (mmHg) Pulse pressure (mmHg) 40 Step-by-step with your numbers: 1. Values used: 2. Systolic = 120 mmHg 3. Diastolic = 80 mmHg 4. Pulse pressure = Systolic - Diastolic = 120 - 80 = 40mmHg Did we solve your problem today? 👍 Yes 👎 No Thanks for the feedback! PP = systolic − diastolic. Wide PP (>60) can indicate arterial stiffness. FAQ Normal? ~40 mmHg is typical. Related calculators MAP Calculator (Mean Arterial Pressure) MAP = (2×DBP + SBP) ÷ 3. Shock Index Calculator HR ÷ SBP.