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dram (troy)
Symbol:  dr (troy) 
Category:  Mass 
SI Equivalent:  3.88793×10-3 kg
Dimension:  M 
System:  UK, US 
 
Notes
Unit used for weighing precious metals and precious stones.
1 dr (troy)= 1/96 lb (troy)
 = 1/8 oz (troy)
 = 3 scruples (troy)
 = 60 grains (troy)
Convert     dr (troy)  
1 dr (troy) =
Mass
  Symbol Unit Name
4.26806×1027  m0, me  a.u. of mass (electron rest mass) 
0.133299    assay ton 
2.34137×1024  u, uma, Da(12C), AMU  atomic unit of mass (12C) 
2.34211×1024  u, uma, Da(16O), AMU  atomic unit of mass (16O) 
2.32319×1024  u, uma, Da(1H), AMU  atomic unit of mass (1H) 
3.88793×1018  ag  attogram 
2.34162×1021    avogram 
9.11854×10-5    bag (UK, cement) 
19.4397  ct.  carat (metric) 
18.9473  ct (troy)  carat (troy) 
8.57143×10-5  cH, cwt  cental 
388.793  cg  centigram 
2.34137×1024  u, uma, Da  dalton (atomic unit of mass) 
0.388793  dag  decagram 
38.8793  dg  decigram 
1  dr (ap.), dr (apoth.)  dram or drachm (apothecary) 
2.19429  dr (av.), dr (avdp)  dram or drachm (avoirdupois) 
4.26805×1027  m0, me  electron rest mass (a.u. of mass) 
3.88793×10-18  Eg  exagram 
3.88793×1015  fg  femtogram 
3.88793×106  g  gamma (mass) 
2.66408×10-4  slug  geepound (slug) 
3.88793×10-9  Gg  gigagram 
60  gr (apoth.), gr (ap.)  grain (apothecary) 
60  gr (avdp.), gr (av.)  grain (avoirdupois) 
60  gr (troy)  grain (troy) 
3.88793  g  gram 
3.88793×10-2  hg  hectogram 
7.65306×10-5  cH, cwt, lg cwt  hundredweight (gross or long) 
8.57143×10-5  sh. cwt  hundredweight (net or short) 
7.65306×10-5  cwt (av.)  hundredweight (UK, avoirdupois) 
3.96459×10-4  Hyl, hyl  hyl 
3.88793×10-3  kg  kilogram 
8.57143×10-6  kip  kilopound (kip) 
6.61376×10-6    load (UK) 
4.08163×10-6    load (UK, wool) 
3.82653×10-6  lg ton (UK)  long ton (UK) 
3.88793×10-6  Mg  megagram 
3.96459×10-4  mug  metric slug (hyl) 
3.88793×106  µg  microgram 
3887.93  mg  milligram 
3.96459×10-4    MKpS unit of mass 
3.96459×10-4  mug  mug (hyl, metric clug, par, TME) 
3.88793×109  ng  nanogram 
0.125  oz (apoth.), oz (ap.)  ounce (apothecary) 
0.137143  oz (advp.), oz (av.)  ounce (avoirdupois) 
0.125  oz (troy)  ounce (troy) 
3.96459×10-4  par  par (hyl, mug, metric slug) 
2.5  dwt (troy)  pennyweight (troy) 
3.88793×10-15  Pg  petagram 
3.88793×1012  pg  picogram 
8.57143×10-3  lb  pound 
8.57143×10-3  lb (av.)  pound (avoirdupois) 
1.04167×10-2  lb (troy), lb (tr.)  pound (troy) 
1.42857×10-2  lb (UK, new hay)  pound (UK, new hay) 
1.33333×10-2  lb (UK, obsolete hay)  pound (UK, obsolete hay) 
8.57143×10-3  lb (UK, straw)  pound (UK, straw) 
8.57143×10-3  lb (US)  pound (US) 
3.06122×10-4    quarter (UK, mass) 
1.53061×10-5    quarter (US, long) 
1.71429×10-5    quarter (US, short) 
3.88793×10-5  q  quintal (metric) 
8.57143×10-5  quint. (US, UK)  quintal (US, UK) 
2.44898×10-5    sack (UK, weight) 
3  s, scr (ap.)  scruple (UK, US, apoth.) 
4.28571×10-6  sh. Ton  short ton (US, ton) 
2.66408×10-4    slug (geepound) 
6.12245×10-4  st (UK)  stone (UK) 
6.85714×10-4  st (UK, wool)  stone (UK, wool) 
3.88793×10-12  Tg  teragram 
3.88793×10-6    ton (metric) 
3.82653×10-6  UK ton, lg ton  ton (UK, long) 
4.28571×10-6    ton (US, short) 
3.88793×10-6  t  tonne (metric) 
2.38095×10-4    truss 
3.88793×1024  yg  yoctogram 
3.88793×10-24  Yg  yottagram 
3.88793×1021  zg  zeptogram 
3.88793×10-21  Zg  zettagram 
Glossary
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Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

more publications