Milligrams to Stone Converter

To convert a measurement in milligrams to stone, multiply the value by 0.000000157473. The conversion factor comes from the relationship between both units and the kilogram.

For example, to convert 5 mg to stone: 5 × 0.000000157473 = 0.000000787365 st.

A milligram is a metric unit of mass equal to one thousandth of a gram (0.001 g) or one millionth of a kilogram. Part of the original metric system, the milligram derives from the Latin 'mille' (thousand). It became indispensable in pharmacy and medicine, where drug doses are almost always expressed in milligrams.

Common uses of milligrams include: Medication and supplement dosages; Nutrient amounts on nutrition labels (sodium, vitamins); Laboratory chemistry and analytical work; Gunpowder and reloading measurements.

A stone is a British imperial unit of mass equal to 14 pounds or exactly 6.35029318 kilograms. The stone was historically used across Europe with regionally varying values before Britain standardized it at 14 pounds. It remains in everyday use in the UK and Ireland for body weight despite metrication.

Common uses of stone include: Body weight in the UK and Ireland; Weigh-ins for sports and fitness in Britain; Historical and livestock weight references; Everyday conversational weight in the British Isles.

Here are some common values converted:

1 mg = 0.000000157473 st 5 mg = 0.000000787365 st 10 mg = 0.00000157473 st 50 mg = 0.000007873652 st 100 mg = 0.000015747304 st