What is a carat in mass measurement?

A carat, abbreviated as car or ct, is a unit of mass mainly used for gemstones and pearls, defined exactly as 200 milligrams or 0.2 grams.

How is the UK assay ton different from other tons?

The UK assay ton is a specific, traditional unit used in assaying ores and metals, and it differs from other units such as the long ton, short ton, and metric tonne.

In which industries is this carat to UK assay ton conversion used?

This conversion is primarily employed in jewelry trade, precious metal assaying laboratories, mining, resource estimation, and commercial ore shipment evaluations.

How to Convert from Carat [car, ct] to Ton (assay) (UK) [AT (UK)]?

Learn how to convert from carats, the unit used for gemstones, to the UK assay ton, a specialized mass unit used in assaying ores and metals. Understand key features, use cases, and step-by-step conversion guidance.

Carat [car, ct]

Ton (assay) (UK) [AT (UK)]

Please check your input. It must be a valid numeric value.

Carat [car, ct] to Ton (assay) (UK) [AT (UK)] Conversion Table

Carat [car, ct]	Ton (assay) (UK) [AT (UK)]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Carat [car, ct] to Ton (assay) (UK) [AT (UK)] Conversion Table
Carat [car, ct]	Ton (assay) (UK) [AT (UK)]

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What Is This Tool?

This unit converter allows you to transform a mass value measured in carats (used mainly for gemstones and pearls) into the UK assay ton, a traditional mass unit applied in the assaying industry for evaluating ores and metals.

How to Use This Tool?

Enter the quantity in carats you wish to convert.
Select carat [car, ct] as the starting unit and ton (assay) (UK) [AT (UK)] as the target unit.
Click the convert button to see the result expressed in UK assay tons.

Key Features

Converts carats (ct), a small mass unit commonly used in the jewelry trade, into UK assay tons (AT), an industry-specific unit.
Supports conversion relevant to laboratories, mining, and metallurgy contexts involving assay results.
Browser-based and easy to use without specialized software requirements.

Examples

10 carats convert to approximately 0.06122449 ton (assay) (UK).
50 carats convert to approximately 0.30612245 ton (assay) (UK).

Common Use Cases

Weighing and pricing diamonds and other gemstones in jewelry.
Reporting metal quantities per assay ton in precious metal laboratory certificates.
Calculating metal pricing and amounts for concentrate or ore shipments based on assay data.
Converting historical assay data for resource estimation or economic analysis.

Tips & Best Practices

Ensure precise input values due to the small scale differences between carats and assay tons.
Be aware that the assay ton used here is specific to UK assay practice and is distinct from other ton units.
Use this conversion mainly within contexts involving gemological weights and assay-based mass reporting.

Limitations

Carats represent very small masses compared to the assay ton, so conversion results may be small decimal numbers.
The UK assay ton differs from long ton, short ton, and metric tonne, so this tool is not suitable for general mass conversions.
Conversion applicability is restricted to specialized fields like jewelry and assaying rather than everyday mass measurement.

Frequently Asked Questions

What is a carat in mass measurement?: A carat, abbreviated as car or ct, is a unit of mass mainly used for gemstones and pearls, defined exactly as 200 milligrams or 0.2 grams.
How is the UK assay ton different from other tons?: The UK assay ton is a specific, traditional unit used in assaying ores and metals, and it differs from other units such as the long ton, short ton, and metric tonne.
In which industries is this carat to UK assay ton conversion used?: This conversion is primarily employed in jewelry trade, precious metal assaying laboratories, mining, resource estimation, and commercial ore shipment evaluations.

Key Terminology

Carat [car, ct]: A unit of mass equal to 200 milligrams, used primarily for gemstones and pearls.
Ton (assay) (UK) [AT (UK)]: A traditional UK unit of mass used in assaying to report quantities of ore or metal, distinct from other ton measures.
Point: A subdivision of the carat unit, where 1 carat equals 100 points, making each point 0.01 carat.

Quick Knowledge Check

What does one carat equal in grams?

0.2 grams

2 grams

0.02 grams

The UK assay ton is commonly used in which context?

Cooking recipes

Assaying ores and metals

Measuring gemstones directly

Which unit is used for fine distinctions within a carat?

Kilograms

Points

Ounces

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