Convertisseur de pression

Convertissez entre Pascal, PSI, bar, atmosphère, Torr et mmHg avec précision et des repères utiles.

Pressure Conversion

From

Common Pressure Values

All Pressure Units

Conversion Result

0.00001 psi

1 Pa to PSI

Conversion Factor

1 Pascal = 0.000145 PSI

Quick Reference

1 atm = 101.325 kPa
1 bar = 100 kPa
1 atm = 14.7 psi
1 psi = 6.895 kPa

How to Use the Pressure Converter

Enter Pressure

Input the pressure value to convert

Select From Unit

Choose the original pressure unit

Select To Unit

Choose the target pressure unit

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See instant conversion with formulas

Understanding Pressure Conversion

What is Pressure Conversion?

Pressure conversion transforms measurements between units like Pascal, Bar, PSI, and Atmosphere. Essential for engineering, meteorology, tire pressure, and industrial applications where different pressure standards are used.

• Pascal (Pa): SI unit, used in scientific contexts
• Bar: Metric unit common in weather and industry
• PSI: Pounds per square inch - US standard
• Atmosphere: Standard atmospheric pressure unit

Why Convert Pressure?

Different industries and regions use different pressure units. Converting between them is essential for tire pressure, weather forecasting, engineering specifications, and scientific research accuracy.

• Tire Pressure: Convert between PSI and Bar for vehicles
• Weather: Atmospheric pressure in different units
• Engineering: Industrial equipment specifications
• Science: Lab experiments require precise units

Tableau de conversion des unités de pression

Les conversions les plus courantes en un seul endroit. Les valeurs sont exactes pour les unités dérivées du Pa ; le PSI utilise la définition standard 1 psi = 6 894,757 Pa.

Convertir	Pa	Bar	PSI	atm	mmHg
1 Pa	1	0.00001	0.000145	9.87e-6	0.0075
1 kPa	1,000	0.01	0.145038	0.009869	7.5006
1 MPa	1,000,000	10	145.038	9.8692	7,500.6
1 Bar	100,000	1	14.5038	0.986923	750.06
1 PSI	6,894.757	0.0689476	1	0.068046	51.7149
1 atm	101,325	1.01325	14.6959	1	760
1 Torr	133.322	0.00133322	0.0193368	0.00131579	1
1 mmHg	133.322	0.00133322	0.0193368	0.00131579	1

Valeurs de référence de pression du monde réel

• Pneu de voiture : 32–36 PSI (2,2–2,5 Bar) à froid
• Pneu de VTT : 25–35 PSI ; vélo de route : 80–130 PSI
• Atmosphère au niveau de la mer : 101,325 Pa = 14.7 PSI = 1,013.25 hPa
• Pression d'eau domestique : 40–60 PSI (2,8–4,1 Bar)
• Bouteille de plongée (pleine) : ~3 000 PSI ≈ 207 Bar
• Machine à espresso : 9 Bar pendant l'extraction
• Pression de suralimentation du turbo : généralement 0,5–1,2 Bar (7–18 PSI)
• Vide (grossier) : sous 760 Torr jusqu'à ~1 Torr

Exemples détaillés

Convertir 2,5 Bar en PSI (vérification de la pression des pneus)

2.5 Bar × 14.5038 = 36.26 PSI

Convertir 1 MPa en PSI (fiche technique hydraulique)

1 MPa × 145.038 = 145.04 PSI

Convertir 30 PSI en mmHg (contexte médical ou de laboratoire)

30 PSI × 51.7149 = 1,551.4 mmHg

Convertir 1 atmosphère standard en kPa

1 atm × 101.325 = 101.325 kPa

Conversion instantanée

Real-time pressure conversion between 8+ standard units.

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Pressure Conversion FAQ

What units are supported?

Supported units include Pascal, Kilopascal, Megapascal, Bar, PSI, Atmosphere, Torr, and mmHg.

Is this suitable for engineering calculations?

Yes. The converter uses standard SI-based conversion factors with precise decimal output.

Can I convert very small or very large values?

Yes. Decimal and large magnitude values are supported for technical and industrial usage.