COMMON SYSTEMS OF WEIGHTS AND MEASURES METRIC SYSTEM Metric Weight Metric Liquid Measure 1 femtogram (fg) = 0.001pg 1 femtoliter (fL) = 0.001pL 1 picogram (pg) = 0.001ng 1 picoliter (pL) = 0.001nL ...

The Congress shall have Power To...fix the Standard of Weights and Measures.... The Articles of Confederation was the immediate source that gave the central government “the sole and exclusive ri ...

China uses the metric system in weights and measures, and its earlier system is still widely used in some areas. The following is a conversion table.