Atmospheres to Pounds per square inch Converter atm → psi

1 atmosphere (atm) = 14.69594878 pounds per square inch (psi). Type a value below — the conversion happens instantly, entirely on your device.

From

1 atm = 14.69594878 psi

Precision

1 atmospheres = 14.695949 pounds per square inch

1 × 14.6959 = 14.695949

1 atm equals 14.6959 psi, so multiplying by 14.6959 converts the value. The result describes the exact same quantity — only the measuring stick changes.

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How to convert atmospheres to pounds per square inch

pounds per square inch = atmospheres × 14.69594878 — multiply the atmosphere value by 14.6959.

Example: 10 atm = 146.959 psi.

To convert the other way: atmospheres = pounds per square inch ÷ 14.69594878

Atmospheres to Pounds per square inch conversion table

Atmospheres (atm)	Pounds per square inch (psi)
0.1	1.4695949
0.25	3.6739872
0.5	7.3479744
1	14.695949
2	29.391898
3	44.087846
4	58.783795
5	73.479744
6	88.175693
7	102.87164
8	117.56759
9	132.26354
10	146.95949
15	220.43923
20	293.91898
25	367.39872
30	440.87846
40	587.83795
50	734.79744
75	1102.1962
100	1469.5949
250	3673.9872
500	7347.9744
1000	14,695.949

About the units

What is a atmosphere?

A standard atmosphere (atm) is exactly 101,325 Pa — the average sea-level air pressure. Diving depth pressure is often expressed in atmospheres.

What is a pound per square inch?

PSI (pound-force per square inch) is the US customary pressure unit, about 6,894.76 Pa. US tire pressures (typically 30–35 psi) and plumbing systems use psi.

Frequently asked questions

How many pounds per square inch are in 1 atmosphere?

1 atmosphere (atm) = 14.69594878 pounds per square inch (psi).

What is the formula to convert atmospheres to pounds per square inch?

pounds per square inch = atmospheres × 14.69594878 — multiply the atmosphere value by 14.6959.

How do I convert atm to psi without a calculator?

Multiply by 14.7 for a close estimate. Exact factor: 1 atm = 14.69594878 psi.

Is this atm-to-psi converter accurate and private?

Yes. It uses the exact internationally defined conversion factors and computes results locally in your browser — your input is never sent to a server, and the page keeps working offline.