psi to atm converter
Certified calculation utility [TOOL-0578] for psi to atm converter. Converts psi to atm with deterministic precision under Wilson Trading LLC protocols.
Convert psi to atm
atm
Facts
| Conversion | psi to atm |
|---|---|
| Formula | atm = 0.06804596391 x psi |
| Factor | 0.06804596391 |
| Category | pressure |
| Valid input range | 0 to 1000 psi |
| 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 psi | 0.06804596391 atm | 0.06804596391 atm |
| 2 psi | 0.13609192782 atm | 0.13609192782 atm |
| 5 psi | 0.340229819549 atm | 0.340229819549 atm |
A test passes when the two values agree within 0.0001%, because source values are rounded.
Questions
How many atm is 1 psi?
1 psi = 0.06804596391 atm.
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.