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Unit Conversions – Weight/Mass

Why This Matters for Nursing: Medication dosing is often weight-based (mg/kg). Converting between pounds and kilograms is a daily task. A dosing error due to wrong weight conversion can be life-threatening.

What You Need to Know

Metric Weight

Conversion Factor
1 kilogram (kg) = 1,000 grams (g)
1 gram = 1,000 milligrams (mg)
1 milligram = 1,000 micrograms (mcg)

US Customary Weight

Conversion Factor
1 pound (lb) = 16 ounces (oz)
1 ton = 2,000 pounds

US to Metric (Critical for Healthcare!)

Conversion Factor
1 kg = 2.2 pounds (lb)
1 lb = 0.454 kg
1 oz β‰ˆ 28.35 g
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