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dalton (atomic unit of mass)
Symbol:  u, uma, Da 
Category:  Mass 
SI Equivalent:  1.66054×10-27 kg
Dimension
 
Notes
Named after J. Dalton (1766-1844), one dalton is equal to 1/12 of the mass of the carbon 12 atom.
Convert     u, uma, Da  
79 conversions, showing those commonly used | Show all
1 u, uma, Da =
Mass
  Symbol Unit Name
u, uma, Da(12C), AMU  atomic unit of mass (12C) 
1.00032  u, uma, Da(16O), AMU  atomic unit of mass (16O) 
0.992238  u, uma, Da(1H), AMU  atomic unit of mass (1H) 
8.3027×10-24  ct.  carat (metric) 
8.09242×10-24  ct (troy)  carat (troy) 
1.13783×10-28  slug  geepound (slug) 
2.56261×10-23  gr (avdp.), gr (av.)  grain (avoirdupois) 
2.56261×10-23  gr (troy)  grain (troy) 
1.66054×10-24  g  gram 
1.66054×10-27  kg  kilogram 
3.66087×10-30  kip  kilopound (kip) 
1.66054×10-21  mg  milligram 
5.85739×10-26  oz (advp.), oz (av.)  ounce (avoirdupois) 
5.33876×10-26  oz (troy)  ounce (troy) 
3.66087×10-27  lb  pound 
4.44896×10-27  lb (troy), lb (tr.)  pound (troy) 
1.13783×10-28    slug (geepound) 
1.66054×10-30    ton (metric) 
1.63431×10-30  UK ton, lg ton  ton (UK, long) 
1.83043×10-30    ton (US, short) 
more...
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