Convert Ounces (oz) to Carats (ct)

1 oz = 141.748 ct

How many Carats in a Ounce?Printable chart →

Converting ounces to carats is essential for various applications, especially in the jewelry industry. The conversion factor is straightforward: 1 ounce is equal to 141.748 carats. Whether you're a jeweler or simply curious, our converter makes it easy to switch between these two weight units.

Ounce (oz)

Carat (ct)

141.7475

≈ 141 3/4 ct

Formula: ct = oz × 141.748

Conversion Formula

ct = oz × 141.748

Reverse: oz = ct × 0.0070548

Quick mental math: For quick mental math, remember that 1 oz is roughly 140 ct, making it easier to estimate weights.

Conversion Examples

1 oz × 141.748 =

141.748 ct

1 Ounces = 141.748 Carats

5 oz × 141.748 =

708.737 ct

5 Ounces = 708.737 Carats

10 oz × 141.748 =

1,417.47 ct

10 Ounces = 1,417.47 Carats

25 oz × 141.748 =

3,543.69 ct

25 Ounces = 3,543.69 Carats

50 oz × 141.748 =

7,087.38 ct

50 Ounces = 7,087.38 Carats

100 oz × 141.748 =

14,174.8 ct

100 Ounces = 14,174.8 Carats

Ounce to Carat Table

Quick convert your value:

oz =—ct

Start:Step:Rows:Precision:

Ounce (oz)	Carat (ct)	Fraction
1	141.7	141 3/4
2	283.5	283 1/2
3	425.2	425 1/4
4	567	566 63/64
5	708.7	708 47/64
6	850.5	850 31/64
7	992.2	992 15/64
8	1,134	1133 63/64
9	1,275.7	1275 47/64
10	1,417.5	1417 15/32
11	1,559.2	1559 7/32
12	1,701	1700 31/32
13	1,842.7	1842 23/32
14	1,984.5	1984 15/32
15	2,126.2	2126 7/32
16	2,268	2267 61/64
17	2,409.7	2409 45/64
18	2,551.5	2551 29/64
19	2,693.2	2693 13/64
20	2,834.9	2834 61/64

Unit Definitions

What is a Ounce (oz)?

ImperialUnited States, United Kingdom

The ounce (oz) is a unit of weight commonly used in the United States and other countries that use the imperial system.

History

Historically, the ounce has roots in ancient Roman measurements, evolving through various definitions over centuries. It was standardized in the 1950s in the U.S. as part of the avoirdupois system.

Current Use

Today, ounces are widely used in cooking, food packaging, and general weight measurement, particularly in the U.S.

What is a Carat (ct)?

Metric (SI)Worldwide

The carat (ct) is a unit of weight specifically used for gemstones and pearls, equal to 200 milligrams.

History

The term 'carat' originates from the carob seeds that were historically used as balance scales for weighing gems. This method dates back to ancient times.

Current Use

In modern contexts, carats are the standard unit for weighing diamonds and gemstones, influencing their pricing and value.

Frequently Asked Questions

How many carats are in 2 ounces?

To convert 2 ounces to carats, you use the conversion factor of 1 oz = 141.748 ct. Thus, 2 oz is equal to 2 x 141.748, which equals 283.496 carats. This information is crucial for jewelers who need to weigh larger gemstones. For example, if you're purchasing a 2-ounce diamond, you can expect its weight to be about 283.5 carats.

What is the carat weight of a 0.5 ounce gemstone?

To find the carat weight of a 0.5-ounce gemstone, multiply by the conversion factor: 0.5 oz x 141.748 ct/oz = 70.874 ct. This conversion is particularly useful for understanding the weight of smaller gemstones. For instance, if you're looking at a half-ounce sapphire, it would weigh approximately 70.87 carats.

What if I have 10 ounces of gold? How many carats is that?

Using the conversion factor, 10 ounces of gold would be calculated as 10 oz x 141.748 ct/oz = 1,417.48 ct. This is significant when dealing with precious metal transactions. Therefore, if you own 10 ounces of gold, you can confidently state that it weighs about 1,417.48 carats.

How do I convert 5 carats to ounces?

To convert carats back to ounces, you can use the reverse conversion: 1 ct = 0.0070548 oz. Therefore, for 5 carats, the calculation would be 5 ct x 0.0070548 oz/ct = 0.035274 oz. This conversion is important for those who may need to know the weight of a gemstone in ounces for jewelry settings.

Is the conversion from ounces to carats applicable only to gemstones?

While the conversion from ounces to carats is predominantly used in the gemstone and jewelry industry, it can also apply to other materials. For instance, if you're weighing decorative stones or other precious materials, knowing that 1 oz equals 141.748 ct can help in understanding their weight. This can also apply to culinary uses when weighing large amounts of spices or herbs that might be measured in ounces.

Popular Weight Conversions

Kilogram to Poundkg → lbs Kilogram to Gramkg → g Kilogram to Milligramkg → mg Kilogram to Metric Tonkg → t Kilogram to Ouncekg → oz Kilogram to Stonekg → st Kilogram to US Tonkg → ton Kilogram to Imperial Tonkg → long ton Kilogram to Caratkg → ct Kilogram to Microgramkg → μg Kilogram to Dekagramkg → dag Kilogram to Quintalkg → q Kilogram to Kipkg → kip Gram to Kilogramg → kg Gram to Milligramg → mg Gram to Metric Tong → t Gram to Poundg → lbs Gram to Ounceg → oz Gram to Stoneg → st Gram to US Tong → ton Gram to Imperial Tong → long ton Gram to Caratg → ct Gram to Microgramg → μg Gram to Dekagramg → dag Gram to Quintalg → q Gram to Kipg → kip Milligram to Kilogrammg → kg Milligram to Grammg → g Milligram to Metric Tonmg → t Milligram to Poundmg → lbs Milligram to Ouncemg → oz Milligram to Stonemg → st Milligram to US Tonmg → ton Milligram to Imperial Tonmg → long ton Milligram to Caratmg → ct Milligram to Microgrammg → μg Milligram to Dekagrammg → dag Milligram to Quintalmg → q Milligram to Kipmg → kip Metric Ton to Kilogramt → kg Metric Ton to Gramt → g Metric Ton to Milligramt → mg Metric Ton to Poundt → lbs Metric Ton to Ouncet → oz Metric Ton to Stonet → st Metric Ton to US Tont → ton Metric Ton to Imperial Tont → long ton Metric Ton to Caratt → ct Metric Ton to Microgramt → μg Metric Ton to Dekagramt → dag Metric Ton to Quintalt → q Metric Ton to Kipt → kip Pound to Kilogramlbs → kg Pound to Gramlbs → g Pound to Milligramlbs → mg Pound to Metric Tonlbs → t Pound to Ouncelbs → oz Pound to Stonelbs → st Pound to US Tonlbs → ton Pound to Imperial Tonlbs → long ton Pound to Caratlbs → ct Pound to Microgramlbs → μg Pound to Dekagramlbs → dag Pound to Quintallbs → q Pound to Kiplbs → kip Ounce to Kilogramoz → kg Ounce to Gramoz → g Ounce to Milligramoz → mg Ounce to Metric Tonoz → t Ounce to Poundoz → lbs Ounce to Stoneoz → st Ounce to US Tonoz → ton Ounce to Imperial Tonoz → long ton Ounce to Microgramoz → μg Ounce to Dekagramoz → dag Ounce to Quintaloz → q Ounce to Kipoz → kip Stone to Kilogramst → kg Stone to Gramst → g Stone to Milligramst → mg Stone to Metric Tonst → t Stone to Poundst → lbs Stone to Ouncest → oz Stone to US Tonst → ton Stone to Imperial Tonst → long ton Stone to Caratst → ct Stone to Microgramst → μg Stone to Dekagramst → dag Stone to Quintalst → q Stone to Kipst → kip US Ton to Kilogramton → kg US Ton to Gramton → g US Ton to Milligramton → mg US Ton to Metric Tonton → t US Ton to Poundton → lbs US Ton to Ounceton → oz US Ton to Stoneton → st US Ton to Imperial Tonton → long ton US Ton to Caratton → ct US Ton to Microgramton → μg US Ton to Dekagramton → dag US Ton to Quintalton → q US Ton to Kipton → kip Imperial Ton to Kilogramlong ton → kg Imperial Ton to Gramlong ton → g Imperial Ton to Milligramlong ton → mg Imperial Ton to Metric Tonlong ton → t Imperial Ton to Poundlong ton → lbs Imperial Ton to Ouncelong ton → oz Imperial Ton to Stonelong ton → st Imperial Ton to US Tonlong ton → ton Imperial Ton to Caratlong ton → ct Imperial Ton to Microgramlong ton → μg Imperial Ton to Dekagramlong ton → dag Imperial Ton to Quintallong ton → q Imperial Ton to Kiplong ton → kip Carat to Kilogramct → kg Carat to Gramct → g Carat to Milligramct → mg Carat to Metric Tonct → t Carat to Poundct → lbs Carat to Ouncect → oz Carat to Stonect → st Carat to US Tonct → ton Carat to Imperial Tonct → long ton Carat to Microgramct → μg Carat to Dekagramct → dag Carat to Quintalct → q Carat to Kipct → kip Microgram to Kilogramμg → kg Microgram to Gramμg → g Microgram to Milligramμg → mg Microgram to Metric Tonμg → t Microgram to Poundμg → lbs Microgram to Ounceμg → oz Microgram to Stoneμg → st Microgram to US Tonμg → ton Microgram to Imperial Tonμg → long ton Microgram to Caratμg → ct Microgram to Dekagramμg → dag Microgram to Quintalμg → q Microgram to Kipμg → kip Dekagram to Kilogramdag → kg Dekagram to Gramdag → g Dekagram to Milligramdag → mg Dekagram to Metric Tondag → t Dekagram to Pounddag → lbs Dekagram to Ouncedag → oz Dekagram to Stonedag → st Dekagram to US Tondag → ton Dekagram to Imperial Tondag → long ton Dekagram to Caratdag → ct Dekagram to Microgramdag → μg Dekagram to Quintaldag → q Dekagram to Kipdag → kip Quintal to Kilogramq → kg Quintal to Gramq → g Quintal to Milligramq → mg Quintal to Metric Tonq → t Quintal to Poundq → lbs Quintal to Ounceq → oz Quintal to Stoneq → st Quintal to US Tonq → ton Quintal to Imperial Tonq → long ton Quintal to Caratq → ct Quintal to Microgramq → μg Quintal to Dekagramq → dag Quintal to Kipq → kip Kip to Kilogramkip → kg Kip to Gramkip → g Kip to Milligramkip → mg Kip to Metric Tonkip → t Kip to Poundkip → lbs Kip to Ouncekip → oz Kip to Stonekip → st Kip to US Tonkip → ton Kip to Imperial Tonkip → long ton Kip to Caratkip → ct Kip to Microgramkip → μg Kip to Dekagramkip → dag Kip to Quintalkip → q

Related Conversions

Kilogram to Ouncekg → oz Kilogram to Caratkg → ct Gram to Ounceg → oz Gram to Caratg → ct Milligram to Ouncemg → oz

Convert Ounces (oz) to Carats (ct)

Conversion Formula

Conversion Examples

Ounce to Carat Table

Unit Definitions

What is a Ounce (oz)?

History

Current Use

What is a Carat (ct)?

History

Current Use

Frequently Asked Questions

Popular Weight Conversions

Convert Ounce to Other Units

Related Conversions