This calculator allows you to convert from Bar to Gigapascal and in a reverse direction. To convert from Bar to Gigapascal, enter the amount of Bar into the first input and to convert from Gigapascal to Bar, enter the amount of Gigapascal into the second input.
Every 1 Bar = 0.0001 Gigapascal
and so, 4 Bar = 4 multiplied by 0.0001 = 0.0004 Gigapascal.
Bar
What is Bar?
Bar is a unit of pressure in the metric system but not in the SI system. It is equal to 100,000 Pa and is slightly less than the atmospheric pressure on earth at the sea level.
The bar is equal to 14.5038 PSI and to convert from bar to PSI multiply by this number.