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kPa to atm Conversion

Convert pressure between kPa and atm, with Pa and psi reference values.

Formula shown0 inputs definedUpdated Dec 2025By CalcuTotal TeamFree, no sign-up

Quick Summary

Use this when you need:
  • Translate lab pressure conditions between atm and kPa
  • Convert vacuum/pressure specs on datasheets for international teams
  • Check gauge readings when manuals use atmospheres
You’ll get:Pressure

Calculator Tool

How this is calculated

Formula:

atm = kPa ÷ 101.325

In plain language:

1 atm is defined as 101,325 Pa (101.325 kPa). Convert by routing values through Pascals for consistent unit handling.

The formula is always visible so you can verify the math and explain your numbers to anyone who asks.

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What these terms mean

Pressure

Pressure used in the calculation.

When to use this calculator

  • Translate lab pressure conditions between atm and kPa
  • Convert vacuum/pressure specs on datasheets for international teams
  • Check gauge readings when manuals use atmospheres
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