eFunda: Convert carat (troy) to other Mass units

carat (troy)

Symbol:	ct (troy)
Category:	Mass
SI Equivalent:	2.05197×10^-4 kg
Dimension:	M

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 ct (troy) =

Mass
	Symbol	Unit Name
2.25259×10²⁶	m₀, m_e	a.u. of mass (electron rest mass)
7.03525×10^-3		assay ton
1.23572×10²³	u, uma, Da(¹²C), AMU	atomic unit of mass (¹²C)
1.23612×10²³	u, uma, Da(¹⁶O), AMU	atomic unit of mass (¹⁶O)
1.22613×10²³	u, uma, Da(¹H), AMU	atomic unit of mass (¹H)
2.05197×10¹⁷	ag	attogram
1.23586×10²⁰		avogram
4.81257×10^-6		bag (UK, cement)
1.02598	ct.	carat (metric)
4.52382×10^-6	cH, cwt	cental
20.5197	cg	centigram
1.23572×10²³	u, uma, Da	dalton (atomic unit of mass)
2.05197×10^-2	dag	decagram
2.05197	dg	decigram
5.27779×10^-2	dr (troy)	dram (troy)
5.27779×10^-2	dr (ap.), dr (apoth.)	dram or drachm (apothecary)
0.11581	dr (av.), dr (avdp)	dram or drachm (avoirdupois)
2.25259×10²⁶	m₀, m_e	electron rest mass (a.u. of mass)
2.05197×10^-19	Eg	exagram
2.05197×10¹⁴	fg	femtogram
2.05197×10⁵	g	gamma (mass)
1.40605×10^-5	slug	geepound (slug)
2.05197×10^-10	Gg	gigagram
3.16667	gr (apoth.), gr (ap.)	grain (apothecary)
3.16667	gr (avdp.), gr (av.)	grain (avoirdupois)
3.16667	gr (troy)	grain (troy)
0.205197	g	gram
2.05197×10^-3	hg	hectogram
4.03912×10^-6	cH, cwt, lg cwt	hundredweight (gross or long)
4.52382×10^-6	sh. cwt	hundredweight (net or short)
4.03912×10^-6	cwt (av.)	hundredweight (UK, avoirdupois)
2.09243×10^-5	Hyl, hyl	hyl
2.05197×10^-4	kg	kilogram
4.52382×10^-7	kip	kilopound (kip)
3.4906×10^-7		load (UK)
2.1542×10^-7		load (UK, wool)
2.01956×10^-7	lg ton (UK)	long ton (UK)
2.05197×10^-7	Mg	megagram
2.09243×10^-5	mug	metric slug (hyl)
2.05197×10⁵	µg	microgram
205.197	mg	milligram
2.09243×10^-5		MKpS unit of mass
2.09243×10^-5	mug	mug (hyl, metric clug, par, TME)
2.05197×10⁸	ng	nanogram
6.59724×10^-3	oz (apoth.), oz (ap.)	ounce (apothecary)
7.23811×10^-3	oz (advp.), oz (av.)	ounce (avoirdupois)
6.59724×10^-3	oz (troy)	ounce (troy)
2.09243×10^-5	par	par (hyl, mug, metric slug)
0.131945	dwt (troy)	pennyweight (troy)
2.05197×10^-16	Pg	petagram
2.05197×10¹¹	pg	picogram
4.52382×10^-4	lb	pound
4.52382×10^-4	lb (av.)	pound (avoirdupois)
5.4977×10^-4	lb (troy), lb (tr.)	pound (troy)
7.5397×10^-4	lb (UK, new hay)	pound (UK, new hay)
7.03705×10^-4	lb (UK, obsolete hay)	pound (UK, obsolete hay)
4.52382×10^-4	lb (UK, straw)	pound (UK, straw)
4.52382×10^-4	lb (US)	pound (US)
1.61565×10^-5		quarter (UK, mass)
8.07825×10^-7		quarter (US, long)
9.04764×10^-7		quarter (US, short)
2.05197×10^-6	q	quintal (metric)
4.52382×10^-6	quint. (US, UK)	quintal (US, UK)
1.29252×10^-6		sack (UK, weight)
0.158334	s, scr (ap.)	scruple (UK, US, apoth.)
2.26191×10^-7	sh. Ton	short ton (US, ton)
1.40605×10^-5		slug (geepound)
3.2313×10^-5	st (UK)	stone (UK)
3.61906×10^-5	st (UK, wool)	stone (UK, wool)
2.05197×10^-13	Tg	teragram
2.05197×10^-7		ton (metric)
2.01956×10^-7	UK ton, lg ton	ton (UK, long)
2.26191×10^-7		ton (US, short)
2.05197×10^-7	t	tonne (metric)
1.25662×10^-5		truss
2.05197×10²³	yg	yoctogram
2.05197×10^-25	Yg	yottagram
2.05197×10²⁰	zg	zeptogram
2.05197×10^-22	Zg	zettagram

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