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ATM to PSI Converter

Convert ATM to PSI instantly: 1 Standard atmosphere = 14.69594878 psi. Free atm to psi converter with formula, chart and examples.

1 Standard atmosphere = 14.69594878 psi

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UnitSymbolValue

Quick answer

To convert Standard atmospheres to psi, multiply the number of Standard atmospheres by 14.6959. For example, 0.5 Standard atmospheres = 7.34797 psi.

Last updated · Conversion factors follow the SI definitions in the BIPM SI Brochure and NIST SP 811.

How to Convert ATM to PSI

The formula is psi = Standard atmospheres × 14.69594878. 1 Standard atmosphere = 14.69594878 psi. 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 Standard atmosphere to psi conversions, but you can switch either list to any of the 52 units in the Pressure Converter, or go the other way with the PSI to ATM converter.

ATM to PSI conversion chart

ATMPSI
0.1 atm1.4695949 psi
0.25 atm3.6739872 psi
0.5 atm7.3479744 psi
1 atm14.695949 psi
2 atm29.391898 psi
3 atm44.087846 psi
4 atm58.783795 psi
5 atm73.479744 psi
6 atm88.175693 psi
7 atm102.87164 psi
8 atm117.56759 psi
9 atm132.26354 psi
10 atm146.95949 psi
11 atm161.65544 psi
12 atm176.35139 psi
13 atm191.04733 psi
14 atm205.74328 psi
15 atm220.43923 psi
16 atm235.13518 psi
17 atm249.83113 psi
18 atm264.52708 psi
19 atm279.22303 psi
20 atm293.91898 psi
25 atm367.39872 psi
30 atm440.87846 psi
40 atm587.83795 psi
50 atm734.79744 psi
60 atm881.75693 psi
70 atm1,028.7164 psi
75 atm1,102.1962 psi
80 atm1,175.6759 psi
90 atm1,322.6354 psi
100 atm1,469.5949 psi
150 atm2,204.3923 psi
200 atm2,939.1898 psi
250 atm3,673.9872 psi
500 atm7,347.9744 psi
1,000 atm14,695.949 psi

Common ATM to PSI conversions

  • 1 Standard atmosphere = 14.69594878 psi
  • 0.5 atm = 7.3479744 psi
  • 1 atm = 14.695949 psi
  • 2 atm = 29.391898 psi
  • 3 atm = 44.087846 psi
  • 10 atm = 146.95949 psi

Popular pressure converters

PSI to BarBar to PSIkPa to PSIPSI to kPaPSI to ATMBar to kPakPa to BarmmHg to kPainHg to hPaMPa to PSI

How to Use the ATM to PSI Converter

  1. Type a value in the From box and choose its unit.
  2. Pick the unit you want in the To list — the result updates as you type.
  3. Use the swap button to reverse the conversion, or type in the To box to convert backwards.
  4. 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 psi are in a Standard atmosphere?

There are 14.69594878 psi in 1 Standard atmosphere. Going the other way, 1 psi = 0.06804596391 Standard atmospheres.

How do I convert ATM to PSI?

Use the formula psi = Standard atmospheres × 14.69594878. For example, 1 Standard atmosphere = 14.69594878 psi. Or type the value in the converter above and the answer appears as you type.

What is the ATM to PSI formula?

psi = Standard atmospheres × 14.69594878 — the factor is rounded to 10 significant figures, which is far more precise than everyday use needs.

What is 0.5 Standard atmospheres in psi?

0.5 Standard atmospheres = 7.3479744 psi.

What is 1 Standard atmosphere in psi?

1 Standard atmosphere = 14.695949 psi.

What is 2 Standard atmospheres in psi?

2 Standard atmospheres = 29.391898 psi.

What is 3 Standard atmospheres in psi?

3 Standard atmospheres = 44.087846 psi.

What is 10 Standard atmospheres in psi?

10 Standard atmospheres = 146.95949 psi.

How do I convert PSI back to ATM?

Use the swap button in the converter above, or open our PSI to ATM converter. Standard atmospheres = psi × 0.06804596391.

Is this ATM to PSI 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 ATM 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 ATM to PSI converter free?

Yes, it is free with no sign-up, and every conversion runs in your browser so nothing is sent to a server.