Bolus:

Volume * Dosage ---> V * D

Concentration C

note: usually expressed as mg/mL

Medical Infusion:

Volume * Dosage * Drip Set ---> V * D * DS

Concentration 1 C 1

note: usually expressed as gtts/min (drops per minute)

Fluid Infusion (over specific time):

Volume * Drip Set ---> V * DS

Time (minutes) T

note: figures out gtts/min (drops per minute)

volume here is the volume of the drip bag

sample calculations website (This will take you away from this website. Feel free to use this link or look for others).