Convert pressure online
Convert pressures: Pa, hPa, kPa, bar, atm, mmHg, psi… This category includes 12 units, with Pascal (Pa) as the reference unit. Calculations are performed directly in your browser, in full privacy and without any installation.
12 units · base: Pa
Convert pressures: Pa, hPa, kPa, bar, atm, mmHg, psi…
Equivalences of 1 pascal (Pa) in all available pressure units.
The most searched pressure conversions in everyday use.
Type the value to convert in the "Value" field of the pressure converter.
Select the source unit ("From") and the target unit ("To") from the 12 available units.
The result appears instantly, calculated according to International System of Units (SI) standards.
Convert pressure values for classes, lab work, or scientific reports with SI-compliant precision.
Handle pressure units from different systems (metric, imperial) in your professional projects.
Quickly understand pressure values shown on foreign products, recipes, or instruction manuals.
Complete guide: uses, benefits, privacy, and additional tools.
Convert pressures: Pa, hPa, kPa, bar, atm, mmHg, psi… This category includes 12 units, with Pascal (Pa) as the reference unit. Calculations are performed directly in your browser, in full privacy and without any installation.
All conversions are based on the official factors of the International System of Units (SI) and ISO standards. No intermediate rounding is applied to preserve precision. Calculations are performed directly in your browser, in full privacy and without any installation.
Unlike other online tools, Convertly UNITS is 100% free. No sign-up, no email required. Convert as many values as you need, with no quotas or limitations. Calculations are performed directly in your browser, in full privacy and without any installation.
The values you enter never leave your device. All calculations run locally in the browser — no data is transmitted or stored. See our privacy policy.
This converter supports 12 units: Pascal (Pa), Hectopascal (hPa), Kilopascal (kPa), Mégapascal (MPa), Bar (bar), Millibar (mbar), Atmosphère (atm), Millimètre de mercure (mmHg)…. All are accessible via the converter selector.
Convertly UNITS covers 14 unit categories: length, mass, temperature, speed, volume, area, and more. Also try length / mass.
14 unit categories based on the International System of Units (SI): length, mass, temperature, energy, and more.
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