Convert Wey to Pennyweight
Convert weys to pennyweights instantly. 1 wey = 73500.0018904639 pennyweight — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Pennyweight to Wey converter for the reverse conversion.
Units explained
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.
Pennyweight
The pennyweight (dwt) equals one-twentieth of a troy ounce, 24 grains (about 1.555 g).
From the mass of a medieval English silver penny; symbol dwt from 'denarius weight'.
Jewelry making and precious-metal scrap valuation in the US.
Derived from the medieval English coinage system.
Wey to Pennyweight 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 weys and pennyweights:
To convert weys to pennyweights, multiply the value in weys by 73500.0018904639. To reverse, multiply pennyweights by 1.360544e-5.
How to use this converter
Type a value into the calculator. The result in pennyweights updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Pennyweight to Wey converter for the reverse direction.
Step-by-step: convert weys to pennyweights
- Write down the value in weys (wey).
- Multiply that value by the factor 73500.0018904639.
- The product is the equivalent value in pennyweights (dwt).
- To reverse, multiply the pennyweight value by 1.360544e-5.
Worked examples
Example 1 — Convert 1 wey to dwt:
1 × 73500.0018904639 = 73500.0018904639 dwt
Example 2 — Convert 100 wey to dwt:
100 × 73500.0018904639 = 7350000.1890463941 dwt
Wey to Pennyweight conversion table
Standard reference values for converting weys to pennyweights:
| Wey [wey] | Pennyweight [dwt] |
|---|---|
| 0.01 | 735.0000189046 |
| 0.1 | 7350.0001890464 |
| 1 | 73500.0018904639 |
| 2 | 147000.0037809279 |
| 3 | 220500.0056713918 |
| 4 | 294000.0075618558 |
| 5 | 367500.0094523197 |
| 10 | 735000.0189046394 |
| 20 | 1470000.0378092788 |
| 30 | 2205000.0567139182 |
| 40 | 2940000.0756185576 |
| 50 | 3675000.094523197 |
| 100 | 7350000.1890463941 |
| 500 | 3.675e+7 |
| 1000 | 7.35e+7 |
Frequently asked questions
How many pennyweights is 1 wey?
How do I convert weys to pennyweights?
How do I convert pennyweights back to weys?
How many pennyweights is 100 weys?
Popular weight unit conversions
Convert Wey to other weight units
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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 wey = 73500.0018904639 dwt) 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 Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.