Mass and Weight · Unit Converter

Convert Ton (assay) (UK) to Stone (US)

Convert tons (assay) (uk) to stones (us) instantly. 1 ton (assay) (uk) = 0.0057614138 stone (us) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Stone (US) to Ton (assay) (UK) converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Ashok Kumar K, Ph.D.
Mass and Weight category 2 min read Published Last reviewed Updated

Units explained

Force / Engineering

Ton (assay) (UK)

What is a ton (assay) (uk)?

The assay ton (UK) equals about 32.667 grams, the long-ton analog of the assay ton.

Origin of the ton (assay) (uk)

The long-ton version of the assay-ton convenience unit.

Where it is used

Ore assaying in long-ton (imperial) contexts.

When and where it was developed

Adopted in assay laboratories using the long ton.

Avoirdupois

Stone (US)

What is a stone (us)?

A less common US definition of the stone, about 5.67 kilograms.

Origin of the stone (us)

A variant stone weight used in some historical US trade.

Where it is used

Rare; appears mainly in historical or specialized contexts.

When and where it was developed

Derived from older English stone weights that varied by commodity.

Ton (assay) (UK) to Stone (US) conversion formula

The relationship between tons (assay) (uk) and stones (us):

1 AT = 0.0057614138 st
1 st = 173.5685087515 AT

To convert tons (assay) (uk) to stones (us), multiply the value in tons (assay) (uk) by 0.0057614138. To reverse, multiply stones (us) by 173.5685087515.

How to use this converter

Type a value into the calculator. The result in stones (us) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Stone (US) to Ton (assay) (UK) converter for the reverse direction.

Step-by-step: convert tons (assay) (uk) to stones (us)

  1. Write down the value in tons (assay) (uk) (AT).
  2. Multiply that value by the factor 0.0057614138.
  3. The product is the equivalent value in stones (us) (st).
  4. To reverse, multiply the stone (us) value by 173.5685087515.

Worked examples

Example 1 — Convert 1 AT to st:
1 × 0.0057614138 = 0.0057614138 st

Example 2 — Convert 100 AT to st:
100 × 0.0057614138 = 0.5761413791 st

Real-world example — Children's height milestones

A 150-ton (assay) (uk)-tall child measures a value in stones (us) that's commonly used for theme-park ride height requirements when travelling between countries that use different measurement units.

150 AT × 0.0057614138 = 0.8642120686 st

Real-world example — Body height conversion

You enter your height as 180 tons (assay) (uk) into an international job or visa application. The form then asks for the same value in stones (us) — converting between these adjacent units is one of the most-used length conversions globally.

180 AT × 0.0057614138 = 1.0370544824 st

Real-world example — Furniture and large objects

A 72-ton (assay) (uk) piece of furniture converts to a value in stones (us) that's easier to mentally compare with room dimensions. This is the typical workflow when shopping internationally and product specs use a different unit than your room measurements.

72 AT × 0.0057614138 = 0.414821793 st

Ton (assay) (UK) to Stone (US) conversion table

Standard reference values for converting tons (assay) (uk) to stones (us):

Ton (assay) (UK) [AT]Stone (US) [st]
0.015.761414e-5
0.10.0005761414
10.0057614138
20.0115228276
30.0172842414
40.0230456552
50.028807069
100.0576141379
200.1152282758
300.1728424137
400.2304565516
500.2880706895
1000.5761413791
5002.8807068955
10005.761413791

Frequently asked questions

How many stones (us) is 1 ton (assay) (uk)?
1 ton (assay) (uk) equals 0.0057614138 stone (us).
How do I convert tons (assay) (uk) to stones (us)?
Multiply the value in tons (assay) (uk) by 0.0057614138 to get stones (us).
How do I convert stones (us) back to tons (assay) (uk)?
Multiply the value in stones (us) by 173.5685087515, or use the Stone (US) to Ton (assay) (UK) converter.
How many stones (us) is 100 tons (assay) (uk)?
100 tons (assay) (uk) equals 0.5761413791 stones (us), because 100 × 0.0057614138 = 0.5761413791.

Convert Ton (assay) (UK) to other weight units

Show all Ton (assay) (UK) conversions
Metric / SI (18 units)
Avoirdupois (15 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Force / Engineering (4 units)

Sources & references

Conversion factor (1 AT = 0.0057614138 st) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.