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Pressure Vessel Hoop Stress Calculator

σ_h = P·r/t — circumferential stress in thin-walled vessel.

Calculates hoop (circumferential) stress and longitudinal stress in a thin-walled pressure vessel from internal pressure, radius, and wall thickness.

Marcus Laurent By Marcus Laurent
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

σ_h = P×r/t; σ_L = P×r/(2t)

In depth

Calculates hoop (circumferential) stress and longitudinal stress in a thin-walled pressure vessel from internal pressure, radius, and wall thickness.