1 atm = 101325 Pa

Convert atm to Pa

Convert atm directly to Pa. This page uses a fixed relationship between the two units and performs the calculation instantly in your browser.

Pressure

atm → Pa

⇄ Reverse
1 atm = 101325 Pa
Scientific precisionPa = atm × 101325
How to convert

How to convert: atm → Pa

Pa = atm × 101325

atm and Pa measure the same quantity: pressure. Converting between them makes it easier to compare a measurement or use it in another unit system.

Worked examples

Worked examples

10 atm → 1.01325e+06 Pa
50 atm → 5.06625e+06 Pa
100 atm → 1.01325e+07 Pa
Conversion table

Conversion table

atmPa
1 atm101325 Pa
5 atm506625 Pa
10 atm1.01325e+06 Pa
20 atm2.0265e+06 Pa
50 atm5.06625e+06 Pa
100 atm1.01325e+07 Pa
Mendeleev

Why this conversion is useful

This conversion belongs to a set of tools focused on units that are genuinely used in science, engineering and everyday life. Beyond the numerical answer, the aim is to understand what the quantity represents, where each unit is common and how to avoid order-of-magnitude mistakes.

Understand the conversion

Method

The two units describe the same physical quantity. Use the conversion relation shown above, keep the units visible during the calculation, then check that the size of the result is plausible.

Pa = atm × 101325

Worked example

Starting with 1 atm, apply Pa = atm × 101325. The result is 101325 Pa. Writing the unit at each step helps prevent a correct number from being paired with the wrong unit.

Quick check

Before accepting a result, compare the relative size of the units. Converting to a larger unit usually gives a smaller numerical value; converting to a smaller unit usually gives a larger numerical value.

Precision

The calculator keeps more digits than are usually needed for everyday work. Round only at the end, and keep enough significant digits for the precision of the original measurement.