Convert Gigapascals to Millipascals
Convert Gigapascals (GPa) to Millipascals (mPa) instantly and accurately.
Conversion Formula
mPa = GPa × 1000000000000
About Gigapascals
A gigapascal (GPa) = 10⁹ Pa = 10 kbar - the extreme-pressure unit for materials science and planetary physics. Bulk moduli: fused silica 72 GPa; iron 170 GPa; diamond 442 GPa (highest known). Earth's inner core: 330-360 GPa. Jupiter's core: ~40,000-70,000 GPa. NIF laser-shocked experiments create 100-100,000 GPa to reproduce planetary interior conditions. Metallic hydrogen is predicted to form above ~500 GPa and has been tentatively observed at 400-500 GPa in diamond anvil cells. 1 GPa = 10⁹ Pa = 10 kbar.
About Millipascals
A millipascal (mPa) is 10⁻³ Pa. It appears primarily in rheology as the millipascal-second (mPa·s = centipoise) for dynamic viscosity: water at 20°C is 1.002 mPa·s; olive oil ~80 mPa·s; honey 2,000-10,000 mPa·s. Food technology, polymer processing, pharmaceutical formulation, and inkjet printing all specify flow behaviour in mPa·s. Partial pressures of trace atmospheric gases and ultra-high-vacuum leak rates measured by residual gas analysers are also expressed in millipascals. 1 mPa = 10⁻³ Pa.
Quick Reference Table
| Gigapascals (GPa) | Millipascals (mPa) |
|---|---|
| 1 GPa | 1 × 1012 mPa |
| 2 GPa | 2 × 1012 mPa |
| 5 GPa | 5 × 1012 mPa |
| 10 GPa | 1 × 1013 mPa |
| 25 GPa | 2.5 × 1013 mPa |
| 50 GPa | 5 × 1013 mPa |
| 100 GPa | 1 × 1014 mPa |