Convert troy ounces to stones for jewelry, precious metals, and gemstone weighing. Accurate calculator with industry examples and conversion formulas.
1 troy ounce equals 0.004897964896565238 stone
Formula: st = kg × 0.157473
Troy ounces and stones represent two distinct weight measurement systems used across different industries worldwide. One troy ounce equals approximately 0.1943 stones, a conversion essential for precious metals trading, jewelry manufacturing, and gemstone assessment. Understanding this relationship is crucial for professionals working with gold, silver, diamonds, and other valuable commodities across international markets.
Precision in converting between troy ounces and stones directly impacts financial transactions involving precious metals and gemstones. A single troy ounce of gold can be worth thousands of dollars; miscalculation by just 0.1 troy ounce represents significant monetary loss. Jewelry designers, appraisers, and precious metals dealers must maintain accuracy to ensure fair pricing, proper inventory management, and compliance with international trade standards. Legal documentation for precious metal transactions requires precise weight verification.
Precious metals traders and bullion dealers operate in a global market where troy ounces dominate weight measurement, particularly for gold, silver, and platinum. However, some European and Commonwealth markets reference stone measurements in historical documentation or legacy systems. Traders must accurately convert between systems when dealing with international clients, managing inventory across different regional markets, and settling transactions on commodity exchanges.
Jewelry makers and gemstone appraisers throughout Europe and Commonwealth nations occasionally encounter historical gemstone certificates and vintage jewelry documentation that reference stone measurements alongside troy ounces. Master jewelers and certified gemologists must understand both systems to authenticate antique pieces, provide accurate weight certifications, and communicate specifications with international clients. Gemstone weight directly determines value, making conversion accuracy absolutely critical.
| troy ounces | stones |
|---|---|
| 10 oz t | 0.04898 st |
| 50 oz t | 0.244898 st |
| 100 oz t | 0.489796 st |
| 500 oz t | 2.448982 st |
| 1000 oz t | 4.897965 st |
Formula: st = oz t × conversion factor
The troy ounce is a widely used unit for measuring weight. It is commonly used in various applications and industries worldwide.
The stone is a widely used unit for measuring weight. It is commonly used in various applications and industries worldwide.
This troy ounce to stone 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 troy ounce equals 0.194286 stones exactly. To convert troy ounces to stones, multiply the troy ounce quantity by 0.194286. For example, 10 troy ounces equals 1.94286 stones (approximately 1.94 stones). Conversely, one stone equals 5.14286 troy ounces. This conversion is rarely used in modern precious metals trading but remains important for authenticating antique jewelry and understanding historical gemstone documentation from Commonwealth nations.
The troy ounce became the international standard for precious metals because it provides better precision for valuable commodities and aligns with historical trading practices established in European precious metals markets centuries ago. The troy system's 31.1035-gram standard offers consistent measurement across all precious metals exchanges worldwide, including the London Bullion Market Association and COMEX futures contracts. Stones, being much larger (6.35 kilograms), are impractical for measuring valuable materials where small weight differences represent significant financial value. A 0.1-stone difference equals approximately 635 grams of gold—worth tens of thousands of dollars.
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