What is a grain (gr) used for?

A grain is a traditional unit of mass used for very small weights such as bullet weights in firearms, arrow weights in archery, and historic pharmaceutical dosages.

Is the US stone different from the British stone?

The US stone uses the same 14-pound definition as the British stone but is uncommon in US practice. It retains the exact value of 14 avoirdupois pounds.

Why convert grain to stone (US)?

Conversion is useful to relate very small weight units, like those used in ballistics or archery, to larger traditional units relevant for body and commodity weights, aiding legacy record comparisons.

Convert Grain [gr] to Stone (US) - Online Weight Converter

Use our online tool to easily convert weight from grain [gr], a small traditional mass unit, to stone (US), a larger traditional unit mainly used for body and commodity weights.

Grain [gr]

Stone (US)

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

Grain [gr] to Stone (US) Conversion Table

Grain [gr]	Stone (US)

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.

Grain [gr] to Stone (US) Conversion Table
Grain [gr]	Stone (US)

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What Is This Tool?

This converter facilitates the transformation of weight measurements from grain [gr], a unit for very small masses like bullet or arrow weights, into stone (US), a traditional larger mass unit used for human body weight and commodity records. It's ideal for converting legacy or specific ballistics and historical weights.

How to Use This Tool?

Enter the weight value in grain [gr] into the input field
Select the desired output unit as stone (US)
Initiate the conversion to get the equivalent mass in stone (US)
Use the results to compare or record weights in traditional units

Key Features

Converts traditional weight units: grain [gr] to stone (US)
Supports legacy and specialized use cases including ballistics and archery
Browser-based and easy to use without installation
Provides example conversions for quick reference
Helps integrate and compare old imperial weights with modern contexts

Examples

1000 grain [gr] equals 0.0114286 stone (US)
500 grain [gr] converts to 0.0057143 stone (US)

Common Use Cases

Calculating bullet and propellant weights in firearms using grains and reporting in stone (US)
Measuring arrow and broadhead weights in archery and converting to stone for broader comparison
Translating historical pharmaceutical dosages expressed in grains into stone (US) units
Processing animal or commodity weight records from imperial to stone (US) units
Converting traditional weight data for medical or engineering documentation

Tips & Best Practices

Ensure clarity whether the stone unit refers to US or UK versions, as US stone is less common
Be mindful of the very small values when converting from grains to stone; consider suitable rounding
Use metric units when precision is critical, acknowledging that these traditional units serve mainly legacy or contextual purposes

Limitations

The stone (US) is rarely used in the United States, limiting its practical applicability there
Converting very small grain values results in very small stone values requiring careful handling
Traditional units like grain and stone have less relevance in modern scientific and medical fields dominated by metric measurements

Frequently Asked Questions

What is a grain (gr) used for?: A grain is a traditional unit of mass used for very small weights such as bullet weights in firearms, arrow weights in archery, and historic pharmaceutical dosages.
Is the US stone different from the British stone?: The US stone uses the same 14-pound definition as the British stone but is uncommon in US practice. It retains the exact value of 14 avoirdupois pounds.
Why convert grain to stone (US)?: Conversion is useful to relate very small weight units, like those used in ballistics or archery, to larger traditional units relevant for body and commodity weights, aiding legacy record comparisons.

Key Terminology

Grain [gr]: A small traditional unit of mass equal to exactly 64.79891 milligrams, used especially for bullets, arrows, and historical dosages.
Stone (US): A traditional unit of mass equivalent to 14 avoirdupois pounds (6.35029318 kilograms), used historically in Britain for measuring body and commodity weight.
Conversion Rate: The factor used to convert grain [gr] to stone (US) is 1 Grain [gr] = 0.0000114286 Stone (US).

Quick Knowledge Check

What is the grain (gr) primarily used to measure?

Large commodity weights

Very small masses such as bullets and arrows

Human body weight in the UK

What is the exact mass value of one stone (US)?

14 pounds

6.35029318 kilograms

Both a and b

Which of the following describes the stone (US)?

A unit commonly used in US medical records

A traditional British unit for body and commodity weights

A metric unit measuring very small masses

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