% w/w
Xg/100g
%w/v
Xg/100mL
%v/v
XmL/100 mL
D10W =
10 grams/ 100 mL
Ratio Strength
1 part/ X parts
Powder Volume
Vial mg
X mL
mg/mL = what you have
Then subtract X from sterile water to get powder volume
Next do the beginning with what you want
Last subtract powder volume to get sterile water needed for what you want
IV Flow Rate
First, mL/hr
Next, drops/min (flow rate / 60 * drops per mL given)