conversion factors and equations

1 grain =

64.8 mg (~65mg)

1 oz =

28.35 g (~30g)

1 lb =

454.54 g (~480g)

2.2 lb =

1 kg

100 units =

1 mL = 20 gtts = 1 cm³

1 tsp =

5 mL

1 tbsp =

15 mL

1 dram =

3.69 mL

1 fl oz =

29.57 mL (~30mL)

1 pt =

473 mL (~480mL)

1 gal =

3784 mL (~4000mL) = 4qt

1 qt =

2 pt = 946mL

L

50

C

100

D

500

M

1000

Celsius =

(F - 32) * 5/9

Clark’s Rule

weight of child (lb) x adult dose/150

Young’s Rule

age of child x adult dose/child’s age + 12

BSA Method

child’s BSA(m²) x adult dose/1.73m²

weight based dosing

multiplied desired mg by patient weight in kg

Dilutions

C1V1=C2V2

flow rate (mL/hr) =

volume (mL)/total infusion time (hr)

flow rate (gtts/min) =

volume (gtts)/total infusion time (mins)