Example:
15 milligram per cubic meter = 1.5e-8 milligram per cubic millimeter
1 milligram per cubic meter = 1e-9 milligram per cubic millimeter | 1 milligram per cubic millimeter = 1e+9 milligram per cubic meter
Conversion Steps:
15 × (0.000001 / 1000) = 1.5e-8