Convert Ounce to Ton (assay) (UK)
Convert ounces to tons (assay) (uk) instantly. 1 ounce = 0.867842543 ton (assay) (uk) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Ton (assay) (UK) to Ounce converter for the reverse conversion.
Units explained
Ounce
The (avoirdupois) ounce (oz) equals one-sixteenth of a pound, about 28.35 grams.
From Latin 'uncia', meaning a twelfth part.
US food portions, postal weights, and boxing weight classes.
Standardized as 1/16 of the international pound from 1959.
Ton (assay) (UK)
The assay ton (UK) equals about 32.667 grams, the long-ton analog of the assay ton.
The long-ton version of the assay-ton convenience unit.
Ore assaying in long-ton (imperial) contexts.
Adopted in assay laboratories using the long ton.
Ounce to Ton (assay) (UK) conversion formula
The relationship between ounces and tons (assay) (uk):
To convert ounces to tons (assay) (uk), multiply the value in ounces by 0.867842543. To reverse, multiply tons (assay) (uk) by 1.1522827592.
How to use this converter
Type a value into the calculator. The result in tons (assay) (uk) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Ton (assay) (UK) to Ounce converter for the reverse direction.
Step-by-step: convert ounces to tons (assay) (uk)
- Write down the value in ounces (oz).
- Multiply that value by the factor 0.867842543.
- The product is the equivalent value in tons (assay) (uk) (AT).
- To reverse, multiply the ton (assay) (uk) value by 1.1522827592.
Worked examples
Example 1 — Convert 1 oz to AT:
1 × 0.867842543 = 0.867842543 AT
Example 2 — Convert 100 oz to AT:
100 × 0.867842543 = 86.7842542992 AT
Real-world example — Postcard and small-object dimensions
A postcard is about 5 ounces wide. Converting to tons (assay) (uk) is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 oz × 0.867842543 = 4.339212715 AT
Real-world example — Ruler-scale measurements
A 30-ounce school ruler converts cleanly to tons (assay) (uk) — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 oz × 0.867842543 = 26.0352762898 AT
Real-world example — Hardware-scale dimensions
A 10-ounce fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between ounces and tons (assay) (uk) daily when mixing metric and imperial tools.
10 oz × 0.867842543 = 8.6784254299 AT
Ounce to Ton (assay) (UK) conversion table
Standard reference values for converting ounces to tons (assay) (uk):
| Ounce [oz] | Ton (assay) (UK) [AT] |
|---|---|
| 0.01 | 0.0086784254 |
| 0.1 | 0.0867842543 |
| 1 | 0.867842543 |
| 2 | 1.735685086 |
| 3 | 2.603527629 |
| 4 | 3.471370172 |
| 5 | 4.339212715 |
| 10 | 8.6784254299 |
| 20 | 17.3568508598 |
| 30 | 26.0352762898 |
| 40 | 34.7137017197 |
| 50 | 43.3921271496 |
| 100 | 86.7842542992 |
| 500 | 433.921271496 |
| 1000 | 867.842542992 |
Frequently asked questions
How many tons (assay) (uk) is 1 ounce?
How do I convert ounces to tons (assay) (uk)?
How do I convert tons (assay) (uk) back to ounces?
How many tons (assay) (uk) is 100 ounces?
Popular weight unit conversions
Convert Ounce to other weight units
Show all Ounce conversions
Metric / SI (18 units)
Avoirdupois (14 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 oz = 0.867842543 AT) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.