Pressure Converter
Convert between psi, bar, pascals, atmospheres and mmHg instantly.
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About Pressure conversion
Pressure units matter for tires, weather, diving and engineering. Fiction Units converts between the most used units: psi (common for tires in the US), bar and kilopascals (common in Europe), atmospheres (scientific baseline) and mmHg (medical and weather).
1 bar is 100,000 pascals, 1 atmosphere is 101,325 pascals, and 14.7 psi is about 1 atmosphere, useful references for checking gauges.
Units supported: Pascals, kilopascals, bar, psi, atmospheres, mmHg.
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Frequently asked questions
What units can I convert with the Pressure converter?
Pascals, kilopascals, bar, psi, atmospheres, mmHg.
How accurate is this pressure converter?
This converter uses standard international definitions for every pressure unit, so results are precise to several decimal places, accurate enough for cooking, travel, homework, or any everyday use.
Can I convert in both directions?
Yes, enter a value in either field and the other updates instantly. You can also tap the swap button to flip the two units, or use the copy-link button to share this exact conversion.