What is a carat used for?

A carat is a unit of mass primarily used to weigh gemstones and pearls, commonly subdivided for precise measurements.

Why convert carats to UK quarters?

This conversion is helpful for comparing gemological measurements to traditional British units used historically in commerce and agriculture.

Is the UK quarter still commonly used?

No, the UK quarter is mostly obsolete and replaced by metric units, so its use today is mainly for historical or archival purposes.

How to Convert from Carat [car, ct] to Quarter (UK) [qr (UK)]?

Learn how to convert weight measurements from carats, a unit used for gemstones, to the traditional UK quarter used historically in commerce and agriculture.

Carat [car, ct]

Quarter (UK) [qr (UK)]

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Carat [car, ct] to Quarter (UK) [qr (UK)] Conversion Table

Carat [car, ct]	Quarter (UK) [qr (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 Quarter (UK) [qr (UK)] Conversion Table
Carat [car, ct]	Quarter (UK) [qr (UK)]

Explore More Weight And Mass Units Converter

What Is This Tool?

This converter helps translate weight values from carats, a fine unit used in gemology, to quarters (UK), a traditional British unit of mass. It serves users needing to compare or convert gemstone weights to historical commercial mass units.

How to Use This Tool?

Enter the weight value in carats you wish to convert.
Select 'carat [car, ct]' as the starting unit.
Choose 'quarter (UK) [qr (UK)]' as the target unit.
Hit the convert button to view the equivalent weight in quarters (UK).

Key Features

Converts carats (ct), commonly used for gemstones and pearls, to UK quarters (qr).
Browser-based and easy to use with a straightforward interface.
Useful for archival, legal, and historical data analysis involving traditional British weight units.

Examples

100 Carats equals 0.00157473 Quarter (UK).
500 Carats equals 0.00787365 Quarter (UK).

Common Use Cases

Converting gemstone and pearl weights to a traditional British weight unit for historical comparison.
Weighing and pricing diamonds and pearls in jewelry trade contexts.
Translating historical agricultural produce weights and cargo data into modern units.

Tips & Best Practices

Use this conversion primarily for archival, historical, or legal research where traditional UK units are relevant.
Be aware that carats represent very small masses compared to the quarter (UK), resulting in very small converted values.
Avoid using this conversion for detailed jewelry valuation due to potential precision limitations.

Limitations

The conversion produces very small values due to the large size difference between carats and UK quarters.
The UK quarter is largely obsolete and replaced by modern metric units, limiting everyday usefulness.
Precision loss can occur moving from small gemological weights to large traditional units, making this unsuitable for fine measurements.

Frequently Asked Questions

What is a carat used for?: A carat is a unit of mass primarily used to weigh gemstones and pearls, commonly subdivided for precise measurements.
Why convert carats to UK quarters?: This conversion is helpful for comparing gemological measurements to traditional British units used historically in commerce and agriculture.
Is the UK quarter still commonly used?: No, the UK quarter is mostly obsolete and replaced by metric units, so its use today is mainly for historical or archival purposes.

Key Terminology

Carat (car, ct): A unit of mass equal to 200 milligrams, used mainly for measuring gemstones and pearls.
Quarter (UK) (qr): A traditional British unit of mass equal to one quarter of the long hundredweight, about 28 pounds or 12.7 kilograms.

Quick Knowledge Check

What is the carat primarily used to measure?

Agricultural produce

Gemstones and pearls

Shipping cargo

What traditional unit does the UK quarter represent?

A unit of volume

A traditional British unit of mass

A monetary unit

Why might this conversion yield very small values?

The quarter (UK) is much larger than the carat

Carats are a large unit

The units measure different properties

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