Pharmaceutical Calculations SI Unit Conversions

1 inch (to centimeters)

2.54 cm (to inches)

1 ounce (to mL)

~30 or 29.6mL (to ounces)

1 cup (to ounces)

8 ounces (to cups)

1 pint (to cups)

2 cups (to pints)

1 pint (to mL)

473 mL (to pints)

1 quart (to pints)

2 pints (to quarts)

1 quart (to mL)

946 mL (to quarts)

1 gallon (to mL)

3785 mL (to gallon)

1 gallon (to quarts)

4 quarts (to gallons)

1 teaspoon/tsp (to mL)

5 mL (to teaspoons/tsp)

1 tablespoon/tbsp (to mL)

15 mL (to tablespoon/tbsp)

1 cubic centimeter/cc (to mL)

1 mL (to cubic centimeter/cc)

1 pound/lb (to ounce/oz)

16 ounces/oz (to pounds/lb)

1 lb (to g)

454 g (to lb)

1 kg (to lb)

2.2 lb (to kg)

1 grain (to mg)

65 mg (to grains)

degrees Fahrenheit from degrees Celcius

(9/5*C)+32

degrees Celcius from degrees Fahrenheit

5/9(F-32)

Pico

10^(-12)

Nano

10^(-9)

Micro

10^(-6)

Milli

10^(-3)

Tera

10^12

Giga

10^9

Mega

10^6

Kilo

10^3

Number of doses

Total quantity / size of dose

BSA

square root of [(height(cm)*weight(kg))/3600]

Cockcroft-Gault equation for males

CrClmales=[((140-age in years)weight(kg))/(72serum creatine)]

Cockcroft-Gault equation for females

CrClfemales=[((140-age in years)weight(kg))/(72serum creatine)]*0.85

Normal creatine clearance

>90 mL/min

Increasing creatine clearance

Improving renal function

Decreasing creatine clearance

Declining renal function

ABW

Actual body weight

IBWmales

=50kg + (2.3kg for each in. over 5 feet)

IBWfemales

=45.5kg + (2.3kg for each in. over 5 feet)

AdjBW

=IBW + [0.4*(ABW-IBW)]

Significant Figures (3 types)

-non-zero digits
-zeros between non-zeros
-trailing zeros w/ a decimal

Non-significant figures (2)

-leading zeros
-trailing zeros w/o a decimal

SI unit for length

meter

SI unit for weight

kg

SI unit for volume

liter

Specific Gravity

(weight of substance)/(weight of equal volume of water)

Density

mass/volume