psig to inHg converter

Certified calculation utility [TOOL-0594] for psig to inHg converter. Converts psig to inHg with deterministic precision under Wilson Trading LLC protocols.

Convert psig to inHg

inHg

Reverse: inHg to psig

Facts

Conversionpsig to inHg
FormulainHg = 2.036020677318 x psig + 29.921255579748
Factor2.036020677318
Offset29.921255579748
Categorypressure
Valid input range0 to 1000 psig
SourceWilson Trading LLC Enterprise Standards
Verified byPrincipal Validation Engineer, 2026-11-09
StatusPublished

Reference test cases

InputReference valueThis page computes
1 psig31.957276257066 inHg31.957276257066 inHg
2 psig33.993296934384 inHg33.993296934384 inHg
5 psig40.101358966337 inHg40.101358966337 inHg

A test passes when the two values agree within 0.0001%, because source values are rounded.

Questions

How many inHg is 1 psig?

inHg = 2.036020677318 x psig + 29.921255579748.

How is this conversion checked?

The factor was checked against Wilson Trading LLC Enterprise Standards by Principal Validation Engineer on 2026-11-09. Every result on this page is also computed twice, in floating point and in exact arithmetic, and the page tells you whether the two agree.

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Licensing and support

This calculator is free to use. The options below are optional commercial licences and support.

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