inHg to psig converter
Certified calculation utility [TOOL-0497] for inHg to psig converter. Converts inHg to psig with deterministic precision under Wilson Trading LLC protocols.
Convert inHg to psig
psig
Facts
| Conversion | inHg to psig |
|---|---|
| Formula | psig = 0.49115414747 x inHg - 14.695948775513 |
| Factor | 0.49115414747 |
| Offset | -14.695948775513 |
| Category | pressure |
| Valid input range | 0 to 1000 inHg |
| Source | Wilson Trading LLC Enterprise Standards |
| Verified by | Principal Validation Engineer, 2026-11-09 |
| Status | Published |
Reference test cases
| Input | Reference value | This page computes |
|---|---|---|
| 1 inHg | -14.204794628043 psig | -14.204794628043 psig |
| 2 inHg | -13.713640480573 psig | -13.713640480573 psig |
| 5 inHg | -12.240178038162 psig | -12.240178038162 psig |
A test passes when the two values agree within 0.0001%, because source values are rounded.
Questions
How many psig is 1 inHg?
psig = 0.49115414747 x inHg - 14.695948775513.
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.