Unit Converters
Pressure Converter
Pressure Converter is a browser-based calculator tool on CalcToolsBase. Free, browser-based Pressure Converter with instant, clearly-labelled results. No signup, no uploads. To use it, enter your values and view the result directly in your browser — no signup and nothing to install.
Want to convert a pressure measurement between units such as pascals, bar, psi and atmospheres? Pressure Converter does it from your value plus the source and target units and shows the converted pressure in the unit you choose clearly, with everything calculated in your browser.
About this calculator
With the Pressure Converter you can convert a pressure measurement between units such as pascals, bar, psi and atmospheres in a few seconds. Supply your value plus the source and target units and read the converted pressure in the unit you choose, computed via fixed, standard conversion ratios. The tool is free, runs locally, and keeps every value on your machine.
Made for anyone switching between unit systems, it gives the converted pressure in the unit you choose from your value plus the source and target units in one step — clearly laid out, free to use, and computed entirely on your device.
How to use
- Enter the pressure value.
- Choose the From pressure unit.
- Choose the To pressure unit.
- Press Calculate to see the converted pressure.
Why use Pressure Converter
Fast
Calculations run in your browser. No round trip to a server.
Private
Your inputs never leave your device. Nothing is uploaded.
Free
No signup, no paywall, no ads-in-results, no watermarks.
Accurate
Uses standard conversion factors where applicable. Check critical engineering or measurement results before relying on them.
Mobile-ready
Optimised for phones, tablets, and desktops alike.
Transparent
Honest disclaimers wherever browser limits or regional rules apply.
Common uses
Pressure for engineering and physics work
Pressure when reading a spec sheet
Pressure when a manual uses different units
Pressure for cross-checking a calculation
Pressure when comparing measurements
Pressure for everyday unit reference
Technical notes
Pressure Converter converts between pressure units — pascals, bar, psi and atmospheres — through a pascal base.
Conversions use standard reference factors; for trade or engineering tolerances keep more decimal places than the display shows.
Results are rounded for display; the underlying calculation keeps full precision.
FAQ
Which pressure units are supported?
Pascals, kilopascals, megapascals, bar, atmospheres, psi, mmHg, torr, and inHg.
How many pascals are in a kilopascal?
1000, so 1000 Pa is 1 kPa.
Is mmHg the same as torr?
They are effectively equal for everyday use (1 mmHg is about 1 torr).
Does the Pressure Converter send my data to a server?
No. The Pressure Converter runs entirely in your browser, so nothing you enter is uploaded, stored, or shared.
Worked example
Convert 1 atm to pascals: 101,325 Pa = 1.01325 bar = 760 mmHg.