A metric ton is 1,000 kilograms.
Metric tons to Stones Converter — t to st
Convert Metric ton (t) to Stone (st) using the exact conversion factor (1 metric ton = 157.4730444 stone). See the formula, worked examples, conversion table, unit comparison, history, and common uses.
Metric tons to Stones converter
Converter
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Context values
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A stone is 14 pounds.
Result = input x 1000 / 6.35029318.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Metric tons to Stones
Weight conversions between Metric ton and Stone come up constantly in everyday commerce, shipping, and cooking, since US packaging is usually labeled in pounds while most of the rest of the world uses kilograms. Metric ton is typically associated with used worldwide except the US, which uses the short ton (2,000 lb), while Stone is typically associated with united Kingdom and Ireland (body weight).
Formula
stones = metric tons × 157.473044418
This factor comes from each unit's defined relationship to the category's base unit: 1 metric ton equals 1000 base units, and 1 stone equals 6.35029318 base units, so dividing one by the other gives the direct metric ton-to-stone factor of 157.473044418.
Simple example
1 t × 157.4730444 = 157.4730444 st
1 metric ton = 157.4730444 stones.
Real-world example
50 t × 157.4730444 = 7,873.652221 st
50 metric tons = 7,873.652221 stones.
Conversion table
| Metric ton (t) | Stone (st) |
|---|---|
| 1 t | 157.4730444 st |
| 5 t | 787.3652221 st |
| 10 t | 1,574.730444 st |
| 25 t | 3,936.82611 st |
| 50 t | 7,873.652221 st |
| 100 t | 15,747.30444 st |
Reverse conversion: Stone to Metric ton
157.4730444 st × 0.00635029318 = 0.9999999999 t
157.4730444 stones = 0.9999999999 metric tons.
metric tons = stones × 0.00635029318
For a page dedicated to this direction, see Stone to Metric ton.
Metric ton vs. Stone
| Aspect | Metric ton | Stone |
|---|---|---|
| Family | Non-SI unit accepted for use with SI (also called metric ton) | UK customary unit |
| Typical use | International shipping and freight weight | Body weight reporting in the UK and Ireland (e.g. '12 stone 5 pounds') |
| Where it's used | Used worldwide except the US, which uses the short ton (2,000 lb) | United Kingdom and Ireland (body weight) |
Understanding the Metric ton
Metric ton (t) measures mass. A tonne is exactly 1,000 kilograms. It is classified as a Non-SI unit accepted for use with SI (also called metric ton).
Where it's used: Used worldwide except the US, which uses the short ton (2,000 lb)
Tonne vs. US (short) ton vs. UK (long) ton. The metric tonne (1,000 kg ≈ 2,204.6 lb) is different from both the US short ton (2,000 lb ≈ 907.2 kg) and the UK long ton (2,240 lb ≈ 1,016 kg) — all three are used in different shipping and industrial contexts and should not be assumed interchangeable.
Uses of the Metric ton today
- International shipping and freight weight
- Industrial and commodity trade (steel, grain, shipping) worldwide
- Vehicle and cargo weight ratings outside the US
History of the Metric ton
The tonne follows directly from the kilogram via the standard 'kilo-' scaling by 1,000, adopted as a convenient large-mass unit alongside the metric system's spread through international trade and industry from the 19th century onward.
Historical origin. Metric ton was not the invention of a single named person; it developed through the process described above.
Understanding the Stone
Stone (st) measures mass. A stone is 14 pounds: exactly 6.35029318 kilograms. It is classified as a UK customary unit.
Where it's used: United Kingdom and Ireland (body weight)
Uses of the Stone today
- Body weight reporting in the UK and Ireland (e.g. '12 stone 5 pounds')
- Historical wool and agricultural produce weighing
History of the Stone
The stone dates to medieval England as a general-purpose weight unit, historically varying by region and commodity (a 'stone' of wool differed from a 'stone' of meat) before settling on 14 pounds for general use. It remains in everyday use for body weight in the UK and Ireland, unlike most other English customary units which have been replaced or supplemented by metric measures.
Historical origin. Stone was not the invention of a single named person; it developed through the process described above.
Metric ton — sources
- BIPM SI Brochure — Non-SI units accepted for use with SI — Lists the tonne among accepted non-SI mass units.
Stone — sources
- UK Weights and Measures Act 1985 — Confirms the stone (14 lb) as a legally recognized UK unit for body weight.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones are in 1 metric ton?
1 metric ton equals 157.4730444 stones, using the exact defined conversion factor rather than an estimate.
How do I convert metric ton to stone?
Multiply the metric ton value by 157.4730444. The converter above does this instantly to whatever precision you set.
How do I convert stone back to metric ton?
Use the reverse factor: 1 stone equals 0.0063502932 metric tons. You can also use the swap control in the converter above to flip the direction instantly.
What is a metric ton?
Metric ton (t) measures mass. A tonne is exactly 1,000 kilograms. It is classified as a Non-SI unit accepted for use with SI (also called metric ton).
What is a stone?
Stone (st) measures mass. A stone is 14 pounds: exactly 6.35029318 kilograms. It is classified as a UK customary unit.
Is the metric ton to stone conversion exact?
Yes. A stone is 14 pounds: exactly 6.35029318 kilograms. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.
What is the difference between tonne vs. us (short) ton vs. uk (long) ton?
The metric tonne (1,000 kg ≈ 2,204.6 lb) is different from both the US short ton (2,000 lb ≈ 907.2 kg) and the UK long ton (2,240 lb ≈ 1,016 kg) — all three are used in different shipping and industrial contexts and should not be assumed interchangeable.
Where is the metric ton still used today?
Used worldwide except the US, which uses the short ton (2,000 lb)