Convert Wey to Carat (metric)
Convert weys to carats (metric) instantly. 1 wey = 571526.3861999999 carat (metric) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Carat (metric) 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.
Carat (metric)
The metric carat (ct) equals exactly 200 milligrams (0.0002 kg).
From Arabic 'qirat' and Greek 'keration', the carob seed once used as a counterweight.
The worldwide standard for gemstone and diamond mass.
The metric carat was fixed at 200 mg internationally in 1907.
Wey to Carat (metric) 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 carats (metric):
To convert weys to carats (metric), multiply the value in weys by 571526.3861999999. To reverse, multiply carats (metric) by 1.7497e-6.
How to use this converter
Type a value into the calculator. The result in carats (metric) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Carat (metric) to Wey converter for the reverse direction.
Step-by-step: convert weys to carats (metric)
- Write down the value in weys (wey).
- Multiply that value by the factor 571526.3861999999.
- The product is the equivalent value in carats (metric) (ct).
- To reverse, multiply the carat (metric) value by 1.7497e-6.
Worked examples
Example 1 — Convert 1 wey to ct:
1 × 571526.3861999999 = 571526.3861999999 ct
Example 2 — Convert 100 wey to ct:
100 × 571526.3861999999 = 5.715264e+7 ct
Wey to Carat (metric) conversion table
Standard reference values for converting weys to carats (metric):
| Wey [wey] | Carat (metric) [ct] |
|---|---|
| 0.01 | 5715.263862 |
| 0.1 | 57152.63862 |
| 1 | 571526.3861999999 |
| 2 | 1143052.7723999999 |
| 3 | 1714579.1585999997 |
| 4 | 2286105.5447999998 |
| 5 | 2857631.9309999999 |
| 10 | 5715263.8619999997 |
| 20 | 1.143053e+7 |
| 30 | 1.714579e+7 |
| 40 | 2.286106e+7 |
| 50 | 2.857632e+7 |
| 100 | 5.715264e+7 |
| 500 | 2.857632e+8 |
| 1000 | 5.715264e+8 |
Frequently asked questions
How many carats (metric) is 1 wey?
How do I convert weys to carats (metric)?
How do I convert carats (metric) back to weys?
How many carats (metric) is 100 weys?
Popular weight unit conversions
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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 = 571526.3861999999 ct) 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.