Dosage calculation practice problems
Ordered: 250 mg (250/100)2 = 5 mL
Available: 100 mg/2 mL
Ordered: 100 mg 0.05 g = 50 mg
Available: 0.05 g tablets 100/50 = 2 tablets
Ordered: 8 mcg/kg/hr 8x80 = 640 mcg
Available: 0.64 mg/2 mL 0.64 = 640 mcg
Patient weighs 80 kg (640/640)2 = 2 mL
What drip rate (mL/hr)?
Ordered: 24 mg over 8 hours (24/96)4 = (0.25)4 = 1 mL
Available: 96 mg/4 mL 1 mL / 8 hrs = 0.125 mL/hr
What drip rate (mL/hr)?
Ordered: 400 mcg 0.08 mg = 80 mcg
Available: 0.08 mg/0.5 mL (400/80)0.5 = 2.5 mL
4/16/2026, 12:59:57 PM
Ordered: 250 mg (250/100)2 = 5 mL
Available: 100 mg/2 mL
Ordered: 100 mg 0.05 g = 50 mg
Available: 0.05 g tablets 100/50 = 2 tablets
Ordered: 8 mcg/kg/hr 8x80 = 640 mcg
Available: 0.64 mg/2 mL 0.64 = 640 mcg
Patient weighs 80 kg (640/640)2 = 2 mL
What drip rate (mL/hr)?
Ordered: 24 mg over 8 hours (24/96)4 = (0.25)4 = 1 mL
Available: 96 mg/4 mL 1 mL / 8 hrs = 0.125 mL/hr
What drip rate (mL/hr)?
Ordered: 400 mcg 0.08 mg = 80 mcg
Available: 0.08 mg/0.5 mL (400/80)0.5 = 2.5 mL
4/16/2026, 12:59:57 PM