/convert/atmospheres-to-pascals/ Convert atm to pascals instantly. Enter any value and get the result. Includes a conversion table and the exact formula. article Atm to Pascals Converter — 247QuickTools ,{ "@context": "https://schema.org", "@type": "SpeakableSpecification", "cssSelector": [".tool-intro", ".info-gain-section"] }
🔩 Pressure

Atm to Pascals Converter

Convert atm to pascals instantly. Enter any value and get the result. Includes a conversion table and the exact formula.

Quick answer: To convert atm to pascals, multiply by 101325. For example, 1 atm = 101325 pascals. Use the calculator below for any value.
atm to pascals
→
Common conversions
Atm Pascals
Formula:

How to convert atm to pascals

1

Enter your value

Type the number of atm you want to convert into the left box. The result in pascals appears instantly in the right box. You can also type into the right box to convert in the other direction.

2

Use the swap button

Click the ⇄ Swap button to reverse the conversion — Pascals to Atm. Your current value carries across so you don't have to re-enter anything.

3

About Atm and Pascals

atm and pascals are both units of pressure. Use this converter to switch between them instantly.

💡 Did you know?

1 atm = 101,325 Pa exactly (defined 1954). The atmosphere is also ≈ 1.01325 bar ≈ 14.696 psi ≈ 760 mmHg. Scuba diving: every 10m depth adds 1 atm of pressure. At 30m deep: 4 atm = 405,300 Pa. Deep sea: Mariana Trench (~11,000m) = ~1,100 atm = 111 MPa.

📊 Common conversions at a glance
Atm Pascals
0.1 1.013e+04
0.5 5.066e+04
1 1.013e+05
1.5 1.52e+05
2 2.026e+05
3 3.04e+05
Reviewed for 2026. Atm ↔ Pascals conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.