What is a carat used for?

A carat is a mass unit mainly used for weighing gemstones and pearls, defined as exactly 200 milligrams.

What is a long ton (UK)?

The long ton, or Imperial ton, is an imperial unit of mass equal to 2,240 pounds, historically used in the UK and maritime contexts.

Why convert from carats to long tons?

Converting carats to long tons helps compare gemstone weights with large bulk cargo or shipping records measured in long tons.

How to Convert from Carat [car, ct] to Ton (long) [ton (UK)]

Learn how to convert weight measurements from carats, a unit primarily used for gemstones, to the long ton, an imperial mass unit used historically in the UK and maritime contexts.

Carat [car, ct]

Ton (long) [ton (UK)]

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Carat [car, ct] to Ton (long) [ton (UK)] Conversion Table

Carat [car, ct]	Ton (long) [ton (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 (long) [ton (UK)] Conversion Table
Carat [car, ct]	Ton (long) [ton (UK)]

Explore More Weight And Mass Units Converter

What Is This Tool?

This tool enables users to convert weights measured in carats, commonly used for gemstones and pearls, into long tons, an imperial unit historically used for larger bulk masses in British and maritime applications.

How to Use This Tool?

Enter the mass value in carats (car or ct) into the input field
Select the desired output unit as ton (long) [ton (UK)]
Click the convert button to see the equivalent weight in long tons

Key Features

Converts carat units into long tons (UK) accurately using a fixed conversion rate
Supports understanding of both gemstone mass and maritime or bulk commodity weights
Browser-based and easy to use with clear step-by-step conversion process

Examples

500 carats converts to approximately 9.8420652761105e-5 tons (long)
1,000,000 carats converts to approximately 0.19684130552221 tons (long)

Common Use Cases

Gemstone and jewelry trade for linking small gemstone weights to larger trade records
Maritime shipping for historical ship displacement and bulk cargo measurement conversions
Archival and legacy engineering documents requiring unit conversion to or from imperial long tons

Tips & Best Practices

Always ensure the context of your weights aligns since carats are for small masses and long tons for large masses
Use this conversion mainly for integration or comparison within historical or regional datasets
Double-check units to avoid confusion between metric, imperial, and gemstone-specific measures

Limitations

Direct comparisons between carats and long tons are rare due to vastly different mass scales
Conversions may be theoretical or for aggregation since carats represent tiny masses relative to long tons
Long tons are less used internationally today, limiting the conversion’s relevance to historical or specific regional uses

Frequently Asked Questions

What is a carat used for?: A carat is a mass unit mainly used for weighing gemstones and pearls, defined as exactly 200 milligrams.
What is a long ton (UK)?: The long ton, or Imperial ton, is an imperial unit of mass equal to 2,240 pounds, historically used in the UK and maritime contexts.
Why convert from carats to long tons?: Converting carats to long tons helps compare gemstone weights with large bulk cargo or shipping records measured in long tons.

Key Terminology

Carat (car, ct): A unit of mass used mainly for gemstones, equal to 200 milligrams.
Long Ton (UK): An imperial mass unit equal to 2,240 pounds, historically used in the United Kingdom and maritime measurements.

Quick Knowledge Check

What is a carat primarily used to measure?

Bulk cargo weight

Gemstone and pearl mass

Ship displacement

How many pounds equal one long ton (UK)?

2,240 pounds

1,000 pounds

3,000 pounds

Why might converting carats to long tons be uncommon?

Units measure vastly different mass scales

They are identical units

Carats are larger than long tons

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