Picopascal Unit | All you need to know

The picopascal (symbol: pPa) is an SI-derived unit of pressure equal to one trillionth (10-12) of a pascal. It is used in precision scientific research, acoustics, nanotechnology, and vacuum systems where extremely small pressure values need to be measured. The picopascal uses the SI prefix pico, representing one trillionth.

One picopascal is equal to 0.000000000001 pascal, 0.001 nanopascal, 1,000 femtopascals, 1×10-17 bar, and 9.86923×10-18 standard atmosphere. The picopascal provides a convenient SI unit for expressing extremely low pressure values.