Convert Tael to Wey
Convert taels to weys instantly. 1 tael = 0.0003306878 wey — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Wey to Tael converter for the reverse conversion.
Units explained
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.
Wey
The wey was an English bulk weight, here taken as 252 pounds (about 114.3 kg).
From Old English 'waege', a weighing or balance.
Obsolete English unit for wool, cheese, and salt.
Used in medieval and early-modern English trade.
Tael to Wey 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 taels and weys:
To convert taels to weys, multiply the value in taels by 0.0003306878. To reverse, multiply weys by 3024.000333339.
How to use this converter
Type a value into the calculator. The result in weys updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Wey to Tael converter for the reverse direction.
Step-by-step: convert taels to weys
- Write down the value in taels (tael).
- Multiply that value by the factor 0.0003306878.
- The product is the equivalent value in weys (wey).
- To reverse, multiply the wey value by 3024.000333339.
Worked examples
Example 1 — Convert 1 tael to wey:
1 × 0.0003306878 = 0.0003306878 wey
Example 2 — Convert 100 tael to wey:
100 × 0.0003306878 = 0.0330687794 wey
Real-world example — Postcard and small-object dimensions
A postcard is about 5 taels wide. Converting to weys is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 tael × 0.0003306878 = 0.001653439 wey
Real-world example — Ruler-scale measurements
A 30-tael school ruler converts cleanly to weys — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 tael × 0.0003306878 = 0.0099206338 wey
Real-world example — Hardware-scale dimensions
A 10-tael fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between taels and weys daily when mixing metric and imperial tools.
10 tael × 0.0003306878 = 0.0033068779 wey
Tael to Wey conversion table
Standard reference values for converting taels to weys:
| Tael [tael] | Wey [wey] |
|---|---|
| 0.01 | 3.306878e-6 |
| 0.1 | 3.306878e-5 |
| 1 | 0.0003306878 |
| 2 | 0.0006613756 |
| 3 | 0.0009920634 |
| 4 | 0.0013227512 |
| 5 | 0.001653439 |
| 10 | 0.0033068779 |
| 20 | 0.0066137559 |
| 30 | 0.0099206338 |
| 40 | 0.0132275118 |
| 50 | 0.0165343897 |
| 100 | 0.0330687794 |
| 500 | 0.1653438971 |
| 1000 | 0.3306877942 |
Frequently asked questions
How many weys is 1 tael?
How do I convert taels to weys?
How do I convert weys back to taels?
How many weys is 100 taels?
Popular weight unit conversions
Convert Tael to other weight units
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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 tael = 0.0003306878 wey) 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.