1 psi = 0.06804596391 Standard atmospheres
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| Unit | Symbol | Value |
|---|
Quick answer
To convert psi to Standard atmospheres, multiply the number of psi by 0.068046. For example, 14.7 psi = 1.00028 Standard atmospheres.
How to Convert PSI to ATM
The formula is Standard atmospheres = psi × 0.06804596391. 1 psi = 0.06804596391 Standard atmospheres. Type any value in the converter above for an instant answer, or use the chart below for the most common values.
This page is preset for psi to Standard atmosphere conversions, but you can switch either list to any of the 52 units in the Pressure Converter, or go the other way with the ATM to PSI converter.
PSI to ATM conversion chart
| PSI | ATM |
|---|---|
| 0.1 psi | 0.0068045964 atm |
| 0.25 psi | 0.017011491 atm |
| 0.5 psi | 0.034022982 atm |
| 1 psi | 0.068045964 atm |
| 2 psi | 0.13609193 atm |
| 3 psi | 0.20413789 atm |
| 4 psi | 0.27218386 atm |
| 5 psi | 0.34022982 atm |
| 6 psi | 0.40827578 atm |
| 7 psi | 0.47632175 atm |
| 8 psi | 0.54436771 atm |
| 9 psi | 0.61241368 atm |
| 10 psi | 0.68045964 atm |
| 11 psi | 0.7485056 atm |
| 12 psi | 0.81655157 atm |
| 13 psi | 0.88459753 atm |
| 14 psi | 0.95264349 atm |
| 14.7 psi | 1.0002757 atm |
| 15 psi | 1.0206895 atm |
| 16 psi | 1.0887354 atm |
| 17 psi | 1.1567814 atm |
| 18 psi | 1.2248274 atm |
| 19 psi | 1.2928733 atm |
| 20 psi | 1.3609193 atm |
| 25 psi | 1.7011491 atm |
| 30 psi | 2.0413789 atm |
| 40 psi | 2.7218386 atm |
| 50 psi | 3.4022982 atm |
| 60 psi | 4.0827578 atm |
| 70 psi | 4.7632175 atm |
| 75 psi | 5.1034473 atm |
| 80 psi | 5.4436771 atm |
| 90 psi | 6.1241368 atm |
| 100 psi | 6.8045964 atm |
| 150 psi | 10.206895 atm |
| 200 psi | 13.609193 atm |
| 250 psi | 17.011491 atm |
| 500 psi | 34.022982 atm |
| 1,000 psi | 68.045964 atm |
Common PSI to ATM conversions
- 1 psi = 0.06804596391 Standard atmospheres
- 14.7 psi = 1.0002757 atm
- 30 psi = 2.0413789 atm
- 50 psi = 3.4022982 atm
- 100 psi = 6.8045964 atm
- 1,000 psi = 68.045964 atm
Popular pressure converters
How to Use the PSI to ATM Converter
- Type a value in the From box and choose its unit.
- Pick the unit you want in the To list — the result updates as you type.
- Use the swap button to reverse the conversion, or type in the To box to convert backwards.
- Check the All conversions table to see your value in every unit; click a row to make it the target.
Frequently Asked Questions
How many Standard atmospheres are in a psi?
There are 0.06804596391 Standard atmospheres in 1 psi. Going the other way, 1 Standard atmosphere = 14.69594878 psi.
How do I convert PSI to ATM?
Use the formula Standard atmospheres = psi × 0.06804596391. For example, 1 psi = 0.06804596391 Standard atmospheres. Or type the value in the converter above and the answer appears as you type.
What is the PSI to ATM formula?
Standard atmospheres = psi × 0.06804596391 — the factor is rounded to 10 significant figures, which is far more precise than everyday use needs.
What is 14.7 psi in Standard atmospheres?
14.7 psi = 1.0002757 Standard atmospheres.
What is 30 psi in Standard atmospheres?
30 psi = 2.0413789 Standard atmospheres.
What is 50 psi in Standard atmospheres?
50 psi = 3.4022982 Standard atmospheres.
What is 100 psi in Standard atmospheres?
100 psi = 6.8045964 Standard atmospheres.
What is 1,000 psi in Standard atmospheres?
1,000 psi = 68.045964 Standard atmospheres.
How do I convert ATM back to PSI?
Use the swap button in the converter above, or open our ATM to PSI converter. psi = Standard atmospheres × 14.69594878.
Is this PSI to ATM converter accurate?
Yes. It uses exact unit definitions and double-precision maths, and you can show up to 15 significant digits. The table below is calculated with the same formula.
Can I convert PSI to other pressure units?
Yes — pick any unit in the From and To lists above, or open the full Pressure Converter, which handles 52 pressure units.
Is the PSI to ATM converter free?
Yes, it is free with no sign-up, and every conversion runs in your browser so nothing is sent to a server.