How many stones are in a metric tonne?

One metric tonne equals approximately 157.473 stones (157 stones and 6.63 pounds). This is based on 1 tonne = 1,000 kg and 1 stone = 6.35029318 kg.

What is the difference between a metric tonne and a long ton?

A metric tonne is exactly 1,000 kg (about 2,204.62 lb). A long ton (used in the UK historically) is 2,240 lb (about 1,016.05 kg). They are different units — this converter uses the metric tonne.

Is a stone used outside the UK?

The stone is primarily used in the United Kingdom and Ireland for measuring body weight. It is not commonly used in other countries, which typically use kilograms.

How many pounds are in a stone?

There are exactly 14 pounds in one stone. So 1 stone = 14 lb = 6.35029318 kg.

Can I convert stones back to tonnes with this tool?

Yes. Use the swap button below the result to switch the direction and enter a value in stones to convert back to tonnes.

Tonnes to Stones Converter

Enter a weight in metric tonnes and instantly get the equivalent in stones, pounds, and kilograms.

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Metric Tonnes (t)

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Summary

This tool converts metric tonnes (t) to stones (st), the traditional weight unit widely used in the United Kingdom and Ireland for body weight and other measurements. One metric tonne equals 1,000 kilograms, and one stone equals 6.35029 kilograms, making 1 tonne approximately 157.473 stones. The converter also shows the equivalent in pounds and kilograms for full context.

How it works

Enter a weight value in metric tonnes in the input field.
The converter instantly calculates the equivalent in stones.
Results are also shown in stones and pounds combined (e.g. 157 st 6.6 lb).
Additional conversions to kilograms and pounds are displayed for reference.
Use the swap button to convert stones back to tonnes.

Use cases

Convert vehicle or cargo weight from metric tonnes to stones.
Understand body weight given in tonnes for medical or scientific contexts.
Cross-reference UK stone-based weight with metric tonne figures.
Check luggage or freight limits expressed in different units.
Educational use for learning unit conversions between metric and imperial systems.
Compare weight measurements across UK and international standards.

Frequently Asked Questions

Last updated: 2026-06-04 · Reviewed by Nham Vu