SI पद्धति में दाब का मात्रक है

The SI unit of pressure is pascal (represented as $Pa$) which is equal to one newton per square metre $\left( N / m ^2\right.$ or $kg m ^{-1} s ^{-2}$ ). Interestingly, this name was given in $1971$ . Before that pressure in $SI$ was measured in $newtons$ $per$ $square$ $metre$.