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kPa Converter

Convert pressure between kilopascals and other common units used in engineering, weather, and lab work.

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

Quick Summary

Use this when you need:
  • Convert tire pressure specs between kPa and psi
  • Translate barometric pressure readings from kPa into mmHg or atm
  • Normalize pressure values to Pa before further calculations
You’ll get:Pressure

Calculator Tool

How this is calculated

Formula:

pressure_target = pressure_source

In plain language:

Pressures are normalized to Pascals. From there, they are expressed in kPa, bar, atm, psi, or mmHg using standard factors.

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

  • Convert tire pressure specs between kPa and psi
  • Translate barometric pressure readings from kPa into mmHg or atm
  • Normalize pressure values to Pa before further calculations
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