Troy weight Troy weight Troy weight is a system of units of mass customarily used for precious metals and gemstones. One troy ounce (abbreviated "t oz" or "oz t") is equal to exactly , (or about 1.0971 oz. avoirdupois, the "avoirdupois" ounce being the most common definition of an "ounce" in the US). There are only 12 troy ounces per troy pound, rather than the 16 ounces per pound found in the more common avoirdupois system. The avoirdupois pound has 7000 grains whereas the troy pound has only 5760 grains (i.e. 12 × 480 grains). Both systems use the same grain defined
Pound sterling the monetary policy of their own currencies (where they exist), and have their own ISO 4217 codes. The Falkland Islands pound, Gibraltar pound, and Saint Helena pound are set at a fixed 1:1 exchange rate with the British pound by local governments. Legal tender in the United Kingdom is defined such that "a debtor cannot successfully be sued for non-payment if he pays into court in legal tender." Parties can alternatively settle a debt by other means with mutual consent. Strictly speaking it is necessary for the debtor to offer the exact amount due as there is no obligation for