Convert gold, silver, diamond, and gemstone weight units including Tola, Grams, Troy Ounces, Carats, Sovereigns, Mashas, and Rattis.
0.8573532418 Tola
Unlike common groceries weighed in standard avoirdupois ounces (28.35 g), precious metals (gold, silver, platinum) are traded globally in Troy Ounces (31.1035 g). In South Asia (Pakistan, India, Bangladesh) and the Middle East (Dubai gold souks), gold is traditionally measured in Tolas (11.6638 g), Mashas, and Rattis.
By official standard definition, 1 Tola equals exactly 180 Troy grains, which converts to 11.6638038 grams (commonly rounded to 11.664 g by jewelers). 1 Tola contains 12 Mashas or 96 Rattis. A 10-gram bar (popular in modern retail banking) is equal to approximately 0.85735 Tolas.
Do not confuse Carat with Karat: 'Carat' (ct) is a unit of weight equal to 200 milligrams (0.2 grams) used for weighing diamonds and gemstones. 'Karat' (k) is a measure of gold purity (24K = 99.9% pure gold, 22K = 91.6% pure gold, 18K = 75.0% pure gold).
There are exactly 11.6638038 grams in 1 tola (commonly taken as 11.664 grams by jewelers across Pakistan, India, and the UAE).
One Troy Ounce equals exactly 31.1034768 grams, which is approximately 9.7% heavier than a regular grocery ounce (28.3495 grams).
1 Tola contains 12 Mashas. Since 1 Masha equals 8 Rattis, 1 Tola contains exactly 96 Rattis.
1 gram equals exactly 5 carats (1 carat = 0.2 grams or 200 milligrams).
A standard full British Gold Sovereign weighs 7.98805 grams gross weight, containing 7.32238 grams of pure 22-carat gold.
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