Convert Carat (metric) to Tael
Convert carats (metric) to taels instantly. 1 carat (metric) = 0.0052910949 tael — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Tael to Carat (metric) converter for the reverse conversion.
Units explained
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.
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.
Carat (metric) 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 carats (metric) and taels:
To convert carats (metric) to taels, multiply the value in carats (metric) by 0.0052910949. To reverse, multiply taels by 188.9968.
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 Carat (metric) converter for the reverse direction.
Step-by-step: convert carats (metric) to taels
- Write down the value in carats (metric) (ct).
- Multiply that value by the factor 0.0052910949.
- The product is the equivalent value in taels (tael).
- To reverse, multiply the tael value by 188.9968.
Worked examples
Example 1 — Convert 1 ct to tael:
1 × 0.0052910949 = 0.0052910949 tael
Example 2 — Convert 100 ct to tael:
100 × 0.0052910949 = 0.5291094876 tael
Real-world example — Plastic film and laminate thickness
A 500-carat (metric) sheet is a typical spec for ID-card laminates and film overlays. Converting to taels aligns the value with the unit most CAD systems and material datasheets prefer.
500 ct × 0.0052910949 = 2.6455474378 tael
Real-world example — Packaging gauge
A 4-carat (metric) plastic bag thickness is a common spec for grocery and freezer bags. Converting from carats (metric) to taels is what packaging buyers do whenever they bridge US and metric supplier quotes.
4 ct × 0.0052910949 = 0.0211643795 tael
Carat (metric) to Tael conversion table
Standard reference values for converting carats (metric) to taels:
| Carat (metric) [ct] | Tael [tael] |
|---|---|
| 0.01 | 5.291095e-5 |
| 0.1 | 0.0005291095 |
| 1 | 0.0052910949 |
| 2 | 0.0105821898 |
| 3 | 0.0158732846 |
| 4 | 0.0211643795 |
| 5 | 0.0264554744 |
| 10 | 0.0529109488 |
| 20 | 0.1058218975 |
| 30 | 0.1587328463 |
| 40 | 0.211643795 |
| 50 | 0.2645547438 |
| 100 | 0.5291094876 |
| 500 | 2.6455474378 |
| 1000 | 5.2910948757 |
Frequently asked questions
How many taels is 1 carat (metric)?
How do I convert carats (metric) to taels?
How do I convert taels back to carats (metric)?
How many taels is 100 carats (metric)?
Popular weight unit conversions
Convert Carat (metric) to other weight units
Show all Carat (metric) 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 ct = 0.0052910949 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 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.