BACK_TO_LIST

pressure converter

12 units · base: Pa

Convert pressures: Pa, hPa, kPa, bar, atm, mmHg, psi…

Instant calculation
SI-based
12 units
CONVERSION_TABLE

1 Pa = how much?

Equivalences of 1 pascal (Pa) in all available pressure units.

UNIT_01hPa
Hectopascal
1 Pa = 0,01 hPa
UNIT_02kPa
Kilopascal
1 Pa = 0,001 kPa
UNIT_03MPa
Mégapascal
1 Pa = 0,000001 MPa
UNIT_04bar
Bar
1 Pa = 0,00001 bar
UNIT_05mbar
Millibar
1 Pa = 0,01 mbar
UNIT_06atm
Atmosphère
1 Pa = 0,0000098692 atm
COMMON_CONVERSIONS

Most used conversions

The most searched pressure conversions in everyday use.

CONV_01
PascalHectopascal
1 Pa = 0,01 hPa
CONV_02
PascalKilopascal
1 Pa = 0,001 kPa
CONV_03
PascalMégapascal
1 Pa = 0,000001 MPa
CONV_04
PascalBar
1 Pa = 0,00001 bar
CONV_05
PascalMillibar
1 Pa = 0,01 mbar
CONV_06
PascalAtmosphère
1 Pa = 0,0000098692 atm
CONV_07
PascalMillimètre de mercure
1 Pa = 0,0075006158 mmHg
CONV_08
PascalTorr
1 Pa = 0,0075006168 Torr
METHODOLOGY

How to convert pressure

Enter

Type the value to convert in the "Value" field of the pressure converter.

Choose

Select the source unit ("From") and the target unit ("To") from the 12 available units.

Read the result

The result appears instantly, calculated according to International System of Units (SI) standards.

USE_CASES

What this converter is used for

Studies & science

Convert pressure values for classes, lab work, or scientific reports with SI-compliant precision.

Work & engineering

Handle pressure units from different systems (metric, imperial) in your professional projects.

Everyday life

Quickly understand pressure values shown on foreign products, recipes, or instruction manuals.

SEO_CONTENT

Everything about the pressure converter

Complete guide: uses, benefits, privacy, and additional tools.

SECTION_01 / 06

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.

SECTION_02 / 06

Based on the International System of Units (SI)

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.

SECTION_03 / 06

Free conversion, no sign-up required

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.

SECTION_04 / 06

Local and private calculation

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.

SECTION_05 / 06

Main pressure units

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.

SECTION_06 / 06

Discover our other unit converters

Convertly UNITS covers 14 unit categories: length, mass, temperature, speed, volume, area, and more. Also try length / mass.

FAQ_UNITS

Frequently asked questions about pressure units

Explore other unit categories

14 unit categories based on the International System of Units (SI): length, mass, temperature, energy, and more.

View all categories