;masses ;Written by: Ralph W. Reid ;base value: POUNDS 2.2E021 ATTOGRAMS 2.2E018 FEMTOGRAMS 2.2E015 PICOGRAMS 2.2E012 NANOGRAMS 2.2E009 MICROGRAMS 2.2E006 MILLIGRAMS 2200 GRAMS 440 KARETS; 2200.0/5.0 16.0 OUNCES 1.0 POUNDS 0.454545454545454545 KILOGRAMS; 1.0/2.2 5.0E-004 TONS; 1.0/2000.0 4.54545454545454545E-004 METRIC TONS; 1.0/2200.0 5.0E-007 KILOTONS 5.0E-010 MEGATONS 5.0E-013 GIGATONS 5.0E-016 TERATONS 5.0E-019 PETATONS 5.0E-022 EXATONS