Convert carats to micrograms for jewelry appraisal, diamond grading, and pharmaceutical measurements. Accurate calculator with 1 carat = 200,000 micrograms.
1 carat equals 200000 microgram
Formula: μg = ct × 200000
The carat, historically used for gemstones and precious metals, equals exactly 200 milligrams or 200,000 micrograms. This conversion is essential for jewelers, gemologists, pharmaceutical professionals, and anyone working with precise weight measurements in high-value applications where accuracy directly impacts financial worth and dosage safety.
In jewelry and gemology, a single carat difference can mean thousands of dollars in value. Pharmaceutical applications require microgram precision for safe drug dosing—errors can have serious health consequences. International trade in diamonds and precious metals demands accurate conversion between traditional carat measurements and modern metric units for compliance and transparency.
Jewelers and gemologists use carats as the standard unit for weighing diamonds, rubies, emeralds, and other precious stones. Converting to micrograms provides the precise metric equivalent needed for international documentation, insurance valuations, and laboratory analysis. The carat system has been standardized internationally since 1907, making it universal in the jewelry trade.
Gold, silver, and platinum dealers use carats (or karats for purity) in conjunction with weight measurements. Converting carat weights to micrograms ensures accuracy in international bullion markets where prices are quoted per gram or troy ounce. Precision is critical as even small weight discrepancies represent significant monetary value in precious metal transactions.
| carats | micrograms |
|---|---|
| 1 ct | 200000 μg |
| 2 ct | 400000 μg |
| 5 ct | 1000000 μg |
| 10 ct | 2000000 μg |
| 20 ct | 4000000 μg |
Formula: μg = ct × conversion factor
The carat is a widely used unit for measuring weight. It is commonly used in various applications and industries worldwide.
The microgram is a widely used unit for measuring weight. It is commonly used in various applications and industries worldwide.
This carat to microgram converter uses high-precision conversion factors to ensure accurate results for professional and academic use.
Our calculator provides results with up to 10 decimal places for maximum accuracy.
One carat equals exactly 200,000 micrograms. This is the international standard established in 1907. To convert any carat weight to micrograms, multiply the carat value by 200,000. For example: 2.5 carats × 200,000 = 500,000 micrograms. This precise conversion is essential for gemstone certification, insurance documentation, and pharmaceutical applications where accuracy directly impacts value or safety.
The carat persists in gemstone and jewelry industries because it has been standardized internationally for over a century and is deeply embedded in trade practices, certifications, and consumer expectations. Gemological institutes, auction houses, and jewelers worldwide use carats for consistency and tradition. However, metric measurements (grams and micrograms) are increasingly included on certificates for international compliance and transparency in global markets.
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