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carat (metric)
Symbol:  ct. 
Category:  Mass 
SI Equivalent:  2×10-4 kg
Dimension
System:  INT 
 
Notes
Metric unit of mass employed in the jewelry industry for weighing precious metals and precious stones. Carat is derived from the Sanskrit word 'quirrat', the seeds of the carob tree which were used to weigh precious metals due to their small sizes and uniformity in weight. 1 carat (metric) = 200 mg
Convert     ct.  
79 conversions, showing those commonly used | Show all
1 ct. =
Mass
  Symbol Unit Name
1.20443×1023  u, uma, Da(12C), AMU  atomic unit of mass (12C) 
1.20481×1023  u, uma, Da(16O), AMU  atomic unit of mass (16O) 
1.19508×1023  u, uma, Da(1H), AMU  atomic unit of mass (1H) 
0.974673  ct (troy)  carat (troy) 
1.20443×1023  u, uma, Da  dalton (atomic unit of mass) 
1.37044×10-5  slug  geepound (slug) 
3.08647  gr (avdp.), gr (av.)  grain (avoirdupois) 
3.08647  gr (troy)  grain (troy) 
0.2  g  gram 
2×10-4  kg  kilogram 
4.40925×10-7  kip  kilopound (kip) 
200  mg  milligram 
7.05479×10-3  oz (advp.), oz (av.)  ounce (avoirdupois) 
6.43015×10-3  oz (troy)  ounce (troy) 
4.40925×10-4  lb  pound 
5.35846×10-4  lb (troy), lb (tr.)  pound (troy) 
1.37044×10-5    slug (geepound) 
2×10-7    ton (metric) 
1.96841×10-7  UK ton, lg ton  ton (UK, long) 
2.20462×10-7    ton (US, short) 
more...
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