Convert Troy Ounce to Tael
Convert troy ounces to taels instantly. 1 troy ounce = 0.8228572336 tael — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Tael 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.
Tael
The tael equals about 37.8 grams (ten mace).
From Malay 'tahil'; the Chinese unit is the 'liang'.
East Asian precious-metal and traditional-medicine commerce.
A long-standing East Asian trade weight, with regional variants.
Troy Ounce to Tael conversion formula
Note: this conversion uses a generally accepted modern value. Historical and regional definitions of this unit varied across times and places.
The relationship between troy ounces and taels:
To convert troy ounces to taels, multiply the value in troy ounces by 0.8228572336. To reverse, multiply taels by 1.2152776438.
How to use this converter
Type a value into the calculator. The result in taels updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Tael to Troy Ounce converter for the reverse direction.
Step-by-step: convert troy ounces to taels
- Write down the value in troy ounces (oz t).
- Multiply that value by the factor 0.8228572336.
- The product is the equivalent value in taels (tael).
- To reverse, multiply the tael value by 1.2152776438.
Worked examples
Example 1 — Convert 1 oz t to tael:
1 × 0.8228572336 = 0.8228572336 tael
Example 2 — Convert 100 oz t to tael:
100 × 0.8228572336 = 82.2857233562 tael
Real-world example — Hardware-scale dimensions
A 10-troy ounce fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between troy ounces and taels daily when mixing metric and imperial tools.
10 oz t × 0.8228572336 = 8.2285723356 tael
Real-world example — Postcard and small-object dimensions
A postcard is about 5 troy ounces wide. Converting to taels is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 oz t × 0.8228572336 = 4.1142861678 tael
Real-world example — Ruler-scale measurements
A 30-troy ounce school ruler converts cleanly to taels — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 oz t × 0.8228572336 = 24.6857170068 tael
Troy Ounce to Tael conversion table
Standard reference values for converting troy ounces to taels:
| Troy Ounce [oz t] | Tael [tael] |
|---|---|
| 0.01 | 0.0082285723 |
| 0.1 | 0.0822857234 |
| 1 | 0.8228572336 |
| 2 | 1.6457144671 |
| 3 | 2.4685717007 |
| 4 | 3.2914289342 |
| 5 | 4.1142861678 |
| 10 | 8.2285723356 |
| 20 | 16.4571446712 |
| 30 | 24.6857170068 |
| 40 | 32.9142893425 |
| 50 | 41.1428616781 |
| 100 | 82.2857233562 |
| 500 | 411.4286167808 |
| 1000 | 822.8572335616 |
Frequently asked questions
How many taels is 1 troy ounce?
How do I convert troy ounces to taels?
How do I convert taels back to troy ounces?
How many taels 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 = 0.8228572336 tael) 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.