你好~psi×1000=ksi Mpa×0.012=Kg/mm2 ksi×6.895=N/m.m2 Mpa×0.145=ksi ksi×6.895=Mpa N/mm2×0.145=ksi ksi×0.703=kg/m.m2 kg/m.m2×1.422=ksi Mpa×1=N/m.m2 kg/m.m2×9.807=Mpa