تحويل الحجر إلى ملليغرام: قياس الوزن الدقيق للطب والصيدلة والتغذية

One stone equals exactly 6,350,293.18 milligrams. This precise conversion comes from the definition that 1 stone = 14 pounds, and 1 pound = 453.59237 grams (an international standard established in 1959). Therefore: 14 × 453.59237 grams = 6.35029318 kilograms = 6,350,293.18 milligrams. For clinical calculations, always use this full precision factor rather than rounding to 6,000,000 or 6,350,000 milligrams, as even small rounding errors can affect medication dosing accuracy.

In UK and Irish hospitals, patient weights are traditionally recorded in stones and pounds because these units are familiar to patients and staff. However, modern drug dosing calculations require weight in kilograms or milligrams to determine precise medication amounts based on body weight (typically expressed as mg/kg). Electronic health records and medication management systems operate using metric units. Converting from stones to milligrams ensures accurate drug dosing, prevents medication errors, and maintains compatibility with international clinical protocols and regulatory requirements for pharmaceutical safety.