The milligram equals one thousandth of a gram. It is the dosing unit for most oral medications. A standard paracetamol tablet contains 500 mg. The daily recommended intake of iron for adult men is 8 mg, for women 18 mg. Micrograms (ยตg) are used for even smaller quantities like vitamin D.
Real-world: A paracetamol tablet is 500 mg. Daily iron intake: 8 mg (men) / 18 mg (women). Aspirin for heart protection: 75โ100 mg daily.
Read full milligram reference โThe UK long ton equals 2240 pounds or 1016.05 kilograms. It is the traditional British weight unit for shipping, steel and coal, and is 1.6% larger than the metric ton. Rarely used in modern commerce but appears on older contracts and historical records.
Real-world: Pre-1971 British ship displacements were given in long tons. UK steel output before EU harmonisation used long tons.
Read full uk ton reference โ