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Engineering Calculators

Production-grade calculators with unit-aware inputs, LaTeX formulas, and validation.

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ASME

ASME B31.3 Pipe Thickness

Calculate minimum wall thickness and maximum allowable pressure for straight pipe under internal pressure

Formula:t = PD/(2(SEW + PY))
Units:mm, in, psi, MPa
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ASME

ASME B31.3 Pipe Bends

Calculate wall thickness requirements for pipe bends with intrados and extrados correction factors

Formula:I = (4R1/D ± 1)/(4R1/D ± 2)
Units:mm, in, psi, MPa
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ASME

ASME B31.3 Branch Connections

Analyze welded branch connections for adequate reinforcement with area replacement calculations

Formula:A2 + A3 + A4 ≥ A1
Units:mm, in, psi, MPa
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