Stone to US Ton Converter
One Stone equals 0.007 US Ton (1 st = 0.007 ton). Multiply a Stone value by 0.007 to get the equivalent in US Ton. Use the calculator above for instant results, or follow the formula, worked examples, and reference table below.
Formula
ton = st × 0.007
Multiply the Stone value by 0.007 to get the equivalent value in US Ton.
Example Conversions
1 Stone (st)
0.007 US Ton (ton)
5 Stone (st)
0.035 US Ton (ton)
10 Stone (st)
0.07 US Ton (ton)
25 Stone (st)
0.175 US Ton (ton)
100 Stone (st)
0.7 US Ton (ton)
Conversion Table
| Stone (st) | US Ton (ton) |
|---|---|
| 0.1 | 0.0007 |
| 0.5 | 0.0035 |
| 1 | 0.007 |
| 2 | 0.014 |
| 5 | 0.035 |
| 10 | 0.07 |
| 25 | 0.175 |
| 50 | 0.35 |
| 100 | 0.7 |
| 250 | 1.75 |
| 500 | 3.5 |
| 1000 | 7 |
How to Convert Manually
Use these steps to convert Stone values to US Ton without the calculator.
- Write down the value in Stone (st) that you want to convert.
- Multiply that value by 0.007.
- For example, 10 Stone × 0.007 = 0.07 US Ton.
- Label the result as US Ton (ton).
Relative Size Comparison
This chart shows the visual difference in size between exactly one Stone and one US Ton.
About Stone and US Ton
The stone equals 14 pounds, exactly 6.35029318 kilograms. It survives almost exclusively for stating body weight in the UK and Ireland. The US (short) ton is 2,000 pounds, exactly 907.18474 kilograms. American freight, mining, and vehicle ratings use it, and it is about 10% lighter than the metric tonne. One Stone equals 0.007 US Ton (1 st = 0.007 ton). Stone to US Ton conversion comes up most often in body weight in the UK and Ireland and in boxing and horse racing weight classes, typically when figures need restating for US truck and freight capacity.
Precision and Rounding: Metric-imperial mass factors are exact (1 lb = 0.45359237 kg by the 1959 agreement), so precision is purely a display choice. One decimal place is enough for body weight and cooking; nutrition labeling, pharmacy, and lab work need the full factor before rounding.
Conversion factors per NIST Special Publication 811 and the BIPM SI Brochure (9th edition) (reference).
Worked Example
15 Stone equals 0.105 US Ton.
15 st × 0.007 = 0.105 ton
FAQ
How do I convert Stone to US Ton?
Multiply the Stone value by 0.007 to get the equivalent value in US Ton.
What is the formula for Stone to US Ton?
The formula is ton = st × 0.007.
How many US Ton are in 1 Stone?
1 Stone equals 0.007 US Ton.
Can I convert US Ton back to Stone?
Yes. 1 US Ton equals 142.8571429 Stone, and the related converter can reverse the calculation.
What are common names for Stone and US Ton?
Stone is shown as st and may also be searched as stones. US Ton is shown as ton and may also be searched as short ton, us tons.
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