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ounce (avoirdupois)
Symbol:  oz (advp.), oz (av.) 
Category:  Mass 
SI Equivalent:  2.83495×10-2 kg
System:  UK, US 
1 oz (av.)= 1/16 lb (av.)
 = 16 drachms (av.)
 = 437.5 grains (av.)
Convert     oz (advp.), oz (av.)  
1 oz (advp.), oz (av.) =
  Symbol Unit Name
3.11212×1028  m0, me  a.u. of mass (electron rest mass) 
0.971973    assay ton 
1.70725×1025  u, uma, Da(12C), AMU  atomic unit of mass (12C) 
1.70779×1025  u, uma, Da(16O), AMU  atomic unit of mass (16O) 
1.69399×1025  u, uma, Da(1H), AMU  atomic unit of mass (1H) 
2.83495×1019  ag  attogram 
1.70743×1022    avogram 
6.64894×10-4    bag (UK, cement) 
141.748  ct.  carat (metric) 
138.158  ct (troy)  carat (troy) 
6.25×10-4  cH, cwt  cental 
2834.95  cg  centigram 
1.70725×1025  u, uma, Da  dalton (atomic unit of mass) 
2.83495  dag  decagram 
283.495  dg  decigram 
7.29167  dr (troy)  dram (troy) 
7.29167  dr (ap.), dr (apoth.)  dram or drachm (apothecary) 
16  dr (av.), dr (avdp)  dram or drachm (avoirdupois) 
3.11212×1028  m0, me  electron rest mass (a.u. of mass) 
2.83495×10-17  Eg  exagram 
2.83495×1016  fg  femtogram 
2.83495×107  g  gamma (mass) 
1.94256×10-3  slug  geepound (slug) 
2.83495×10-8  Gg  gigagram 
437.5  gr (apoth.), gr (ap.)  grain (apothecary) 
437.5  gr (avdp.), gr (av.)  grain (avoirdupois) 
437.5  gr (troy)  grain (troy) 
28.3495  g  gram 
0.283495  hg  hectogram 
5.58036×10-4  cH, cwt, lg cwt  hundredweight (gross or long) 
6.25×10-4  sh. cwt  hundredweight (net or short) 
5.58036×10-4  cwt (av.)  hundredweight (UK, avoirdupois) 
2.89085×10-3  Hyl, hyl  hyl 
2.83495×10-2  kg  kilogram 
6.25×10-5  kip  kilopound (kip) 
4.82253×10-5    load (UK) 
2.97619×10-5    load (UK, wool) 
2.79018×10-5  lg ton (UK)  long ton (UK) 
2.83495×10-5  Mg  megagram 
2.89085×10-3  mug  metric slug (hyl) 
2.83495×107  µg  microgram 
2.83495×104  mg  milligram 
2.89085×10-3    MKpS unit of mass 
2.89085×10-3  mug  mug (hyl, metric clug, par, TME) 
2.83495×1010  ng  nanogram 
0.911458  oz (apoth.), oz (ap.)  ounce (apothecary) 
0.911458  oz (troy)  ounce (troy) 
2.89085×10-3  par  par (hyl, mug, metric slug) 
18.2292  dwt (troy)  pennyweight (troy) 
2.83495×10-14  Pg  petagram 
2.83495×1013  pg  picogram 
6.25×10-2  lb  pound 
6.25×10-2  lb (av.)  pound (avoirdupois) 
7.59549×10-2  lb (troy), lb (tr.)  pound (troy) 
0.104167  lb (UK, new hay)  pound (UK, new hay) 
9.72222×10-2  lb (UK, obsolete hay)  pound (UK, obsolete hay) 
6.25×10-2  lb (UK, straw)  pound (UK, straw) 
6.25×10-2  lb (US)  pound (US) 
2.23214×10-3    quarter (UK, mass) 
1.11607×10-4    quarter (US, long) 
1.25×10-4    quarter (US, short) 
2.83495×10-4  q  quintal (metric) 
6.25×10-4  quint. (US, UK)  quintal (US, UK) 
1.78571×10-4    sack (UK, weight) 
21.875  s, scr (ap.)  scruple (UK, US, apoth.) 
3.125×10-5  sh. Ton  short ton (US, ton) 
1.94256×10-3    slug (geepound) 
4.46429×10-3  st (UK)  stone (UK) 
5×10-3  st (UK, wool)  stone (UK, wool) 
2.83495×10-11  Tg  teragram 
2.83495×10-5    ton (metric) 
2.79018×10-5  UK ton, lg ton  ton (UK, long) 
3.125×10-5    ton (US, short) 
2.83495×10-5  t  tonne (metric) 
1.73611×10-3    truss 
2.83495×1025  yg  yoctogram 
2.83495×10-23  Yg  yottagram 
2.83495×1022  zg  zeptogram 
2.83495×10-20  Zg  zettagram