Convert Ounce to Wey
Convert ounces to weys instantly. 1 ounce = 0.0002480159 wey — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Wey 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.
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.
Ounce 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 ounces and weys:
To convert ounces to weys, multiply the value in ounces by 0.0002480159. To reverse, multiply weys by 4032.0000035556.
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 Ounce converter for the reverse direction.
Step-by-step: convert ounces to weys
- Write down the value in ounces (oz).
- Multiply that value by the factor 0.0002480159.
- The product is the equivalent value in weys (wey).
- To reverse, multiply the wey value by 4032.0000035556.
Worked examples
Example 1 — Convert 1 oz to wey:
1 × 0.0002480159 = 0.0002480159 wey
Example 2 — Convert 100 oz to wey:
100 × 0.0002480159 = 0.0248015873 wey
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 weys daily when mixing metric and imperial tools.
10 oz × 0.0002480159 = 0.0024801587 wey
Real-world example — Postcard and small-object dimensions
A postcard is about 5 ounces wide. Converting to weys is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 oz × 0.0002480159 = 0.0012400794 wey
Real-world example — Ruler-scale measurements
A 30-ounce school ruler converts cleanly to weys — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 oz × 0.0002480159 = 0.0074404762 wey
Ounce to Wey conversion table
Standard reference values for converting ounces to weys:
| Ounce [oz] | Wey [wey] |
|---|---|
| 0.01 | 2.480159e-6 |
| 0.1 | 2.480159e-5 |
| 1 | 0.0002480159 |
| 2 | 0.0004960317 |
| 3 | 0.0007440476 |
| 4 | 0.0009920635 |
| 5 | 0.0012400794 |
| 10 | 0.0024801587 |
| 20 | 0.0049603175 |
| 30 | 0.0074404762 |
| 40 | 0.0099206349 |
| 50 | 0.0124007936 |
| 100 | 0.0248015873 |
| 500 | 0.1240079364 |
| 1000 | 0.2480158728 |
Frequently asked questions
How many weys is 1 ounce?
How do I convert ounces to weys?
How do I convert weys back to ounces?
How many weys 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 = 0.0002480159 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.