What is a quarter (US) unit?

A quarter (US) is a mass unit equal to one quarter of a US short hundredweight, or 25 pounds, commonly used in US customary weight measurements.

What does the scruple (apothecary) measure?

The scruple (apothecary) is a historical unit of mass used in pharmacy, equal to 20 grains or about 1.296 grams.

Why convert quarter (US) to scruple (apothecary)?

This conversion helps interpret historical pharmaceutical and agricultural records that use different measurement systems.

How to Convert from Quarter (US) [qr (US)] to Scruple (apothecary) [s.ap]

Learn how to convert weight measurements from the US customary quarter to the apothecary scruple with our easy-to-use online unit converter. Perfect for historical, pharmaceutical, and commercial applications.

Quarter (US) [qr (US)]

Scruple (apothecary) [s.ap]

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

Quarter (US) [qr (US)] to Scruple (apothecary) [s.ap] Conversion Table

Quarter (US) [qr (US)]	Scruple (apothecary) [s.ap]

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.

Quarter (US) [qr (US)] to Scruple (apothecary) [s.ap] Conversion Table
Quarter (US) [qr (US)]	Scruple (apothecary) [s.ap]

Explore More Weight And Mass Units Converter

What Is This Tool?

This converter transforms weight values from the quarter (US), a unit common in US customary contexts, into scruples (apothecary), an old pharmaceutical mass unit. It aids in translating historical and commercial weight measures between these different systems.

How to Use This Tool?

Enter the weight value in quarter (US) units you wish to convert.
Select quarter (US) as your from-unit and scruple (apothecary) as your to-unit.
Press convert to see the equivalent value in scruples (apothecary).

Key Features

Converts quarter (US) units to apothecary scruples instantly.
Browser-based and easy to use with minimal input steps.
Suitable for historical and commercial weight conversions.
Supports understanding of archival pharmaceutical and agricultural records.

Examples

2 qr (US) equals 17499.999999953 scruples (apothecary).
0.5 qr (US) converts to 4374.999999988 scruples (apothecary).

Common Use Cases

Interpreting historical medical prescriptions using apothecary units.
Converting archival pharmaceutical and botanical formulations.
Agricultural commodity pricing and freight calculations.
Understanding historical US customary weight measures in legal or academic contexts.

Tips & Best Practices

Use this tool for historical or archival conversions rather than modern precise calculations.
Double-check entered values when working with large unit quantities due to large conversion factors.
Understand that scruple units are mostly obsolete and primarily useful for historical interpretation.

Limitations

The quarter (US) is a modern US customary unit, while the scruple (apothecary) is archaic and largely obsolete.
Conversion precision may be affected by differences in historical measurement standards.
Large conversion factors may cause rounding differences in results.

Frequently Asked Questions

What is a quarter (US) unit?: A quarter (US) is a mass unit equal to one quarter of a US short hundredweight, or 25 pounds, commonly used in US customary weight measurements.
What does the scruple (apothecary) measure?: The scruple (apothecary) is a historical unit of mass used in pharmacy, equal to 20 grains or about 1.296 grams.
Why convert quarter (US) to scruple (apothecary)?: This conversion helps interpret historical pharmaceutical and agricultural records that use different measurement systems.

Key Terminology

Quarter (US): A US customary mass unit equal to one quarter of a US hundredweight or 25 pounds.
Scruple (apothecary): A historical unit of mass used in pharmacy equal to 20 grains or approximately 1.296 grams.
Hundredweight: A unit of weight equal to 100 pounds in the US customary system.

Quick Knowledge Check

What is the quarter (US) based on?

One half of a hundredweight

One quarter of a US hundredweight

One tenth of a pound

The scruple (apothecary) is primarily used in which field?

Modern agricultural trade

Historical pharmacy and medicine

Contemporary shipping calculations

Why might precision issues arise converting between quarter (US) and scruple (apothecary)?

Because both units are based on metric system

Due to differences in historical measurement standards and large conversion factors

Because the scruple is a larger unit than the quarter

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