What is the stone (US) unit used for?

The stone (US) is traditionally used to measure body weight informally in the UK and Ireland and for recording livestock and commodity weights historically.

How many kilograms are in one stone (US)?

One stone (US) equals exactly 6.35029318 kilograms.

Why convert stone (US) to tonnes?

Converting stone (US) to tonnes allows translation of traditional weight measures into the large-scale metric units used in industry, commerce, and scientific contexts.

How to Convert from Stone (US) to Tonne [t]

Learn how to convert weights from stone (US) to tonne [t] using our easy-to-use online unit converter for accurate and consistent measurement translation.

Stone (US)

Tonne [t]

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Stone (US) to Tonne [t] Conversion Table

Stone (US)	Tonne [t]

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.

Stone (US) to Tonne [t] Conversion Table
Stone (US)	Tonne [t]

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What Is This Tool?

This converter helps translate weights measured in stone (US), a traditional British unit, into tonnes [t], a metric unit widely used in science, industry, and commerce.

How to Use This Tool?

Enter the amount in stone (US) you want to convert
Select stone (US) as the from-unit and tonne [t] as the to-unit
Click convert to see the equivalent mass in tonnes
Use the tool to translate measurements for industry, agriculture, or personal use

Key Features

Converts stone (US) units to tonne [t] values seamlessly
Suitable for measuring body weight, livestock, commodity weights, and large-scale mass
Browser-based tool requiring no installation
Supports unit conversion in weight and mass categories
Facilitates comparison between customary and metric systems

Examples

10 Stone (US) equals 0.056699046 Tonne [t]
50 Stone (US) equals 0.28349523 Tonne [t]

Common Use Cases

Informal reporting of human body weight in UK and Ireland
Translating livestock and commodity weights in agricultural records
Converting historical imperial-weight values to metric mass for medical or engineering data
Measuring bulk cargo mass in shipping and freight
Quantifying material quantities in manufacturing and production
Reporting environmental statistics such as emissions or resource consumption

Tips & Best Practices

Confirm the regional context when using stone (US) as it is uncommon in the United States
When converting small weights, be mindful of resulting small decimal values in tonnes
Double-check calculations if integrating with standardized metric datasets to avoid errors
Use the converter for consistent reporting across customary and metric units

Limitations

Stone (US) is a non-SI unit rarely used in the United States, so consider regional relevance
Small stones converted to tonnes produce small decimal values requiring careful representation
Differences in customary use may require attention when matching with standardized metric data

Frequently Asked Questions

What is the stone (US) unit used for?: The stone (US) is traditionally used to measure body weight informally in the UK and Ireland and for recording livestock and commodity weights historically.
How many kilograms are in one stone (US)?: One stone (US) equals exactly 6.35029318 kilograms.
Why convert stone (US) to tonnes?: Converting stone (US) to tonnes allows translation of traditional weight measures into the large-scale metric units used in industry, commerce, and scientific contexts.

Key Terminology

Stone (US): A traditional British unit of mass equal to 14 pounds or exactly 6.35029318 kilograms, used historically for body weight and commodity weights.
Tonne [t]: A metric mass unit equal to exactly 1,000 kilograms, accepted for use with the International System of Units, used extensively in industry, science, and commerce.

Quick Knowledge Check

What is the exact kilogram equivalent of one stone (US)?

14 kilograms

6.35029318 kilograms

1,000 kilograms

Which industries commonly use the tonne [t] unit?

Agriculture and freight

Science and manufacturing

All of the above

Why might conversions from stone (US) to tonne result in small decimal results?

Because a stone is a very large mass

Because a tonne is a large mass unit

Because units are incompatible

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