Convert Troy Ounce to Ton (long, UK)
Convert troy ounces to tons (long, uk) instantly. 1 troy ounce = 3.061224e-5 ton (long, uk) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Ton (long, UK) to Troy Ounce converter for the reverse conversion.
Units explained
Troy Ounce
The troy ounce (ozt) equals about 31.103 grams, one-twelfth of a troy pound.
From the Troy system of weights associated with Troyes, France.
The global standard for pricing gold, silver, platinum, and palladium.
Established in the medieval Troy system and retained for precious metals.
Ton (long, UK)
The long (UK) ton equals 2,240 pounds, about 1,016 kilograms.
The British imperial ton, equal to 20 long hundredweight.
UK shipping and historical heavy industry.
Standardized within the British imperial system.
Troy Ounce to Ton (long, UK) conversion formula
The relationship between troy ounces and tons (long, uk):
To convert troy ounces to tons (long, uk), multiply the value in troy ounces by 3.061224e-5. To reverse, multiply tons (long, uk) by 32666.6666666667.
How to use this converter
Type a value into the calculator. The result in tons (long, 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 (long, UK) to Troy Ounce converter for the reverse direction.
Step-by-step: convert troy ounces to tons (long, uk)
- Write down the value in troy ounces (oz t).
- Multiply that value by the factor 3.061224e-5.
- The product is the equivalent value in tons (long, uk) (long tn).
- To reverse, multiply the ton (long, uk) value by 32666.6666666667.
Worked examples
Example 1 — Convert 1 oz t to long tn:
1 × 3.061224e-5 = 3.061224e-5 long tn
Example 2 — Convert 100 oz t to long tn:
100 × 3.061224e-5 = 0.0030612245 long tn
Real-world example — Architectural to geographic scale
A 100,000-troy ounce measurement equals one ton (long, uk). The five-order-of-magnitude scale change comes up in mapping work where architectural site plans must be related to road-network maps.
100000 oz t × 3.061224e-5 = 3.0612244898 long tn
Real-world example — Small to geographic-scale
100,000 troy ounces equals one ton (long, uk) — a useful conversion when small-scale survey diagrams must be related to road-network distances on a different map.
100000 oz t × 3.061224e-5 = 3.0612244898 long tn
Troy Ounce to Ton (long, UK) conversion table
Standard reference values for converting troy ounces to tons (long, uk):
| Troy Ounce [oz t] | Ton (long, UK) [long tn] |
|---|---|
| 0.01 | 3.061224e-7 |
| 0.1 | 3.061224e-6 |
| 1 | 3.061224e-5 |
| 2 | 6.122449e-5 |
| 3 | 9.183673e-5 |
| 4 | 0.000122449 |
| 5 | 0.0001530612 |
| 10 | 0.0003061224 |
| 20 | 0.0006122449 |
| 30 | 0.0009183673 |
| 40 | 0.0012244898 |
| 50 | 0.0015306122 |
| 100 | 0.0030612245 |
| 500 | 0.0153061224 |
| 1000 | 0.0306122449 |
Frequently asked questions
How many tons (long, uk) is 1 troy ounce?
How do I convert troy ounces to tons (long, uk)?
How do I convert tons (long, uk) back to troy ounces?
How many tons (long, uk) is 100 troy ounces?
Popular weight unit conversions
Convert Troy Ounce to other weight units
Show all Troy Ounce conversions
Metric / SI (18 units)
Avoirdupois (15 units)
Troy & Apothecary (9 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 oz t = 3.061224e-5 long tn) 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.