1.0 Class created for convenience 1 m s a mol cd -1 1/m 10e3 k -1 -1 -1 -1 60 3600 -273 1.8 32 -1 10e6 M 10e9 G 10e2 h 10 da Hz N kg -2 Pa J C V F 2 -2 -3 2 4 2 3 -2 0.01 0.001 0.000001 0.000000001 0.000000000001 Lx Gy 3 rad sr -1 -1 pa/s -1 -3 10E-9 n 10E-3 m 10E-6 604800 31556926 3.1556926E09 315569260 3.1556926E10