Help System (web edition)

Conversion masses, weights, and forces:
Examples:
  1000(kg:ton)=1 (kg:mg)=1000000 (mg:g)=0.001
  Avoirdupois: (grain:g)=0.0647979166666
               (dram:grain)=27.343 (ounce:grain)=437.5 (oz:ounce)=1
               (lb:ounce)=16 (short_ton:lb)=2000 (long_ton:lb)=2239.999999
  Troy:        (pennyweight:grain)=24
               (oz_t:grain)=480 (lb_t:oz_t)=12
  Apothecaries: (scruple:grain)=20 (dram_ap:scruple)=3
                (oz_ap:dram_ap)=8 (lb_ap:oz_ap)=12

  (newton:N)=1  (newton:dyn)=100000 (kg:N)=9.80665

  M = More information on physical measures