Ankle-Brachial Index Calculator

Calculate your ABI to assess the risk of peripheral artery disease (PAD) by comparing blood pressure in your ankles and arms.

Blood Pressure Readings

Enter systolic (top number) blood pressure readings in mmHg

Right Arm Systolic

mmHg

Left Arm Systolic

mmHg

Right Ankle Systolic

mmHg

Left Ankle Systolic

mmHg

Lowest ABI (Left Leg)

1.07

Normal

Right Leg ABI

1.08

Left Leg ABI

1.07

Normal ankle-brachial index. Continue healthy habits.

Risk Level: Low

Severe PAD0 - 0.4

Moderate PAD0.4 - 0.7

Mild PAD0.7 - 0.9

Borderline0.9 - 1

Normal1 - 1.3

Incompressible1.3 - 2