atm:
—
Constant used: 1 atm = 14.6959488 psi (exact enough for engineering work). So 1 psi = 0.0680459639 atm.
Conversion History
| # | Timestamp | Input Unit | Input Value | Output Unit | Output Value | Action |
|---|
Example Data
| psi | atm | Notes |
|---|---|---|
| 1 | 0.068045964 | Approximate atmospheric fraction |
| 14.695949 | 1 | Standard atmosphere equivalent |
| 30 | 2.040 | Typical shop air setting |
| 60 | 4.081 | Common compressor output |
| 100 | 6.804596 | High-pressure systems |
Values rounded; your precision may vary by chosen decimals.
PSI to ATM Quick Reference
| psi | atm |
|---|---|
| 5 | 0.340230 |
| 10 | 0.680460 |
| 20 | 1.360919 |
| 50 | 3.402298 |
| 150 | 10.206895 |
| 200 | 13.609193 |
| 250 | 17.011491 |
| 500 | 34.022982 |
| 750 | 51.034473 |
| 1000 | 68.045964 |
Computed using 1 atm = 14.6959488 psi; rounded to 6 decimals.
Common Pressure Benchmarks (Approximate)
| Context | psi | atm | Notes |
|---|---|---|---|
| Standard atmosphere | 14.695949 | 1.000000 | Sea-level reference |
| Passenger car tire | 32 | 2.177471 | Typical recommended cold pressure (gauge) |
| SCUBA cylinder full | 3000 | 204.137891 | Common aluminum 80 tank rating (gauge) |
| Heavy equipment hydraulics | 5000 | 340.229819 | High-pressure line example (gauge) |
Context values are typical; many specifications use gauge pressure.
Formula Used
Relationship: 1 atm = 14.6959488 psi and 1 psi = 0.0680459639 atm.
- psi → atm:
atm = psi ÷ 14.6959488 - atm → psi:
psi = atm × 14.6959488
These factors derive from the exact definition 1 atm = 101325 Pa and 1 psi = 6894.757 Pa.
How to Use This Calculator
- Select the direction: psi → atm or atm → psi.
- Enter the value and choose desired decimal places.
- Click Convert to compute the result.
- Use Copy result to copy the output.
- Click Add to history to store a row.
- Export your history via Download CSV or Download PDF.
Tip: Press Enter in the input to convert quickly.
FAQs
We use 1 atm = 14.6959488 psi, which implies 1 psi = 0.0680459639 atm.
Yes. Toggle direction to convert atm → psi using the same constant.
For general use, 4–6 decimals are sufficient. Increase precision for scientific calculations as needed.
Use the CSV or PDF buttons to export the history table instantly.
The factor relates units. Ensure your source value (gauge or absolute) matches your application’s requirement.
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