Pressure Converter

Convert between Pa, kPa, MPa, bar, psi, atm, mmHg, inHg, and torr.

Converter Science & Engineering Updated Apr 19, 2026
How to Use
  1. Enter a value in any row — the rest convert.
Pressure
Reference
1 atm
= 101 325 Pa = 1.01325 bar = 14.696 psi = 760 mmHg = 29.92 inHg
Sea level
≈ 1 atm
Cruising altitude (35k ft)
≈ 0.24 atm
Mt Everest summit
≈ 0.33 atm
Tire
30 – 35 psi typical
Deep vacuum
< 10⁻⁶ Pa

Conversions

Pa → kPa
÷ 1 000
Pa → bar
÷ 100 000
Pa → psi
× 1.45 × 10⁻⁴
Pa → atm
÷ 101 325
Pa → mmHg
÷ 133.322

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