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Pressure Converter

Convert between Pascal, PSI, bar, atm, mmHg, and more.

🔬 SI Units

Pascals(Pa)

100,000

Hectopascals(hPa)

1,000

Kilopascals(kPa)

100

Megapascals(MPa)

0.1

Gigapascals(GPa)

0.0001

📊 Metric

Bar(bar)

1

Millibar(mbar)

1,000

Atmospheres(atm)

0.986923

🇺🇸 Imperial

Pounds per sq inch(psi)

14.5038

Pounds per sq foot(psf)

2,088.5416

🌡️ Other

mmHg (Torr)(mmHg)

750.064

Inches of mercury(inHg)

29.53

Inches of water(inH₂O)

401.463

Common Reference Points

1 atm101,325 Pa

1 bar100 kPa

1 psi6.895 kPa

Sea level1 atm / 14.7 psi

Car tyre30–35 psi

1 mmHg133.3 Pa