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KSI to MPa Converter

Convert pressure between ksi and MPa, with psi and kPa reference values for engineering work.

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

Quick Summary

Use this when you need:
  • Convert material stress values between ksi and MPa
  • Translate hydraulic component ratings across SI and US customary specs
  • Compare datasheets that mix MPa, kPa, psi, and ksi
You’ll get:Pressure / Stress

Calculator Tool

How this is calculated

Formula:

MPa = ksi × 6.894757

In plain language:

1 ksi = 1000 psi. Convert via Pascals: psi → Pa (× 6894.757...), then express the result in MPa (÷ 1,000,000).

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 / Stress

Pressure / Stress used in the calculation.

When to use this calculator

  • Convert material stress values between ksi and MPa
  • Translate hydraulic component ratings across SI and US customary specs
  • Compare datasheets that mix MPa, kPa, psi, and ksi
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