Convert 4.2 Gigapascal to Newton per Square Millimeter

4.2 GPa (Gigapascal) is equal to 4,200 N/mm² (Newton per Square Millimeter). To convert from Gigapascal to Newton per Square Millimeter, multiply by 1,000 or divide by 0.001.

• 4.2 GPa × 1000 = 4200 N/mm²
• 4.2 GPa ÷ 0.001 = 4200 N/mm²