Convert weight and mass units — kilograms, pounds, grams, ounces, tons, carats and more.
| Unit | Name | Value |
|---|---|---|
| 0.001 μg | 9.842e-16 L/T | |
| 0.01 μg | 9.842e-15 L/T | |
| 0.1 μg | 9.842e-14 L/T | |
| 1 μg | 9.842e-13 L/T | |
| 5 μg | 4.921e-12 L/T | |
| 10 μg | 9.842e-12 L/T | |
| 50 μg | 4.921e-11 L/T | |
| 100 μg | 9.842e-11 L/T | |
| 1000 μg | 9.842e-10 L/T |
The Milligram (mg) and the Gram (g) are both units of weight & mass. Converting between them is straightforward using the formula above.
Formula: 1 μg = 9.842064e-13 L/T
This converter uses internationally recognized conversion factors. All calculations are performed client-side in your browser — no data is sent to any server.
| Microgram (μg) | UK Long Ton (L/T) | Real-world context |
|---|---|---|
| 1 μg | 9.8421e-13 L/T | speck of dust |
| 1000 μg | 9.8421e-10 L/T | 1 milligram |
| 1,000,000 μg | 9.8421e-07 L/T | |
| 1.0000e+09 μg | 0.00098421 L/T | |
| 1.0000e+12 μg | 0.98420644 L/T |
1 microgram (μg) equals exactly 9.8421e-13 UK long tons (L/T). Use the formula: μg × 9.8421e-13 = L/T.
To convert micrograms to UK long tons, multiply your value in micrograms by 9.8421e-13. For example, 5 μg × 9.8421e-13 = 4.9210e-12 L/T.
100 micrograms = 9.8421e-11 UK long tons. Calculation: 100 × 9.8421e-13 = 9.8421e-11.
To convert UK long tons back to micrograms, divide by 9.8421e-13 (or multiply by 1.0160e+12). Example: 10 L/T ÷ 9.8421e-13 = 1.0160e+13 μg.
Yes. This converter uses the internationally recognised exact conversion factor: 1 μg = 9.8421e-13 L/T. All calculations are performed in your browser with no rounding until display.
10 micrograms = 9.8421e-12 UK long tons. Simply multiply by 9.8421e-13.
Converting micrograms to UK long tons is commonly needed for medical dosing, laboratory measurements, pharmaceutical calculations, and quality control testing where one system uses μg and another uses L/T.
The microgram (μg, or mcg in medical writing) is a unit of mass equal to one-millionth of a gram (10⁻⁶ g) or one-billionth of a kilogram (10⁻⁹ kg). The symbol "μ" is the Greek letter mu, representing the SI micro- prefix. In clinical settings "mcg" is preferred over "μg" to avoid handwriting confusion between μ and m.
The UK long ton (symbol L/T, also "imperial ton" or "gross ton") equals 2,240 avoirdupois pounds or 1,016.0469088 kilograms. Used in Britain for coal and shipping, it is slightly larger than both the US short ton (2,000 lb) and the metric ton (1,000 kg). Britain adopted metric units in 1965 and the long ton is no longer used in new UK trade contracts, though it appears in historical records.
The microgram became essential in the 20th century as analytical chemistry techniques — mass spectrometry, HPLC, immunoassay — allowed measurement and manipulation at sub-milligram scales. Vitamins, hormones, and pharmaceuticals are often active at microgram levels. The discovery that iodine deficiency (corrected by just a few hundred micrograms daily) causes goitre and intellectual disability was a landmark 20th-century public health finding.
Interesting fact: The human daily requirement for vitamin B12 is only 2.4 μg, yet deficiency causes irreversible neurological damage. Vitamin D3 requirement is approximately 15 μg per day.
The long ton traces to medieval England, where a "wine tun" was a large barrel of ~252 gallons. A standard ship's cargo unit ("ton burden") evolved into a 2,240-pound standard because 2,240 lb = 20 hundredweight (each of 112 lb) — convenient for counting by the hundredweight. The Coal Industry Act 1831 formalised the long ton for coal. British Overseas Territories and some US steel industry sectors still use it.
Interesting fact: HMS Victory, Nelson's flagship at Trafalgar (1805), was rated at 2,162 long tons displacement. Modern international shipping uses metric tons (deadweight tonnage), but engineers working with pre-1965 British specifications regularly need long ton conversions.