Stone to Tonnes (st to t) Converter
1 stone equals 0.00635029 tonnes (t) — multiply the number of stone by 0.00635029 to convert. A tonne is 1,000 kg and a stone is 6.350293 kg, giving this factor.
The formula
Multiply the stone value by the fixed factor:
tonnes = stone × 0.00635029
For example, 100 st × 0.00635029 = 0.635029 t. To reverse it, divide by 0.00635029 (or multiply by 157.473044).
Conversion table
| Stone (st) | Tonnes (t) |
|---|---|
| 1 | 0.00635029 |
| 2 | 0.01270059 |
| 3 | 0.01905088 |
| 5 | 0.03175147 |
| 10 | 0.0635029 |
| 25 | 0.15875725 |
| 50 | 0.3175145 |
| 100 | 0.635029 |
| 500 | 3.175145 |
| 1000 | 6.35029 |
How to convert online
- Type the number of stone into the first box.
- Read the tonne value instantly in the second box.
- Enter a value in the tonne box to convert back the other way.
Use the Stone to Tonne Converter — free and instant in your browser.
Where this conversion is used
The metric tonne is the standard for bulk and industrial mass, while stone is a small imperial unit. Converting stone to tonnes matters when totaling many stone-measured items into a single large-scale metric figure — for shipping, livestock, or aggregating body-weight data across a large group.
FAQ
How many tonnes are in a stone?
One stone equals 0.00635029 tonnes. Ten stone equal 0.0635029 t.
What is the formula to convert stone to tonnes?
Multiply the stone value by 0.00635029: t = st × 0.00635029.
How do I convert tonnes back to stone?
Divide by 0.00635029, or multiply by 157.473044. For example, 1 tonne ≈ 157.47 st.
Is the conversion exact?
It derives from the exact stone-to-kilogram factor divided by 1,000; 0.00635029 is the value rounded for display.
Related converters
- Tonne to Stone Converter
- Stone to Kilogram Converter
- Stone to Gram Converter
- Stone to Ounce Converter
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Recommended reading
Tonne to Stone Converter (t to st) with Formula
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