Med Math Cheat Sheet: A Nursing Student Study Guide

MEDICATION
Math
DRUG CALCULATION FORMULAS

CONVERSION KEY

1 mL = 1 cc 1 tsp = 5 mL 30 mL = 1 oz
1 L = 1,000 mL 3 tsp = 1 tbsp 1 mcg = 1 mg
1 mg = 1,000 mcg 1 kg = 1,000 g 2.2 lbs = 2.2 kg
1 gm = 1,000 mg 1 oz = 2 tbspn 1 tbspn = 15 mL



MIXTURES & SOLUTIONS


DESIRED DOSE
STOCK VOLUME AMOUNT TO BE
STOCK STRENGTH GIVEN



TABLET DOSAGES

DESIRED DOSE
NUMBER OF TABLETS
STOCK STRENGTH



IV RATES
ML PER HR & MIN:
TOTAL IV VOLUME
ML PER HOUR OR MINUTE
TIME (HR or MIN)
DROPS PER MIN:
TOTAL IV VOLUME
DROP FACTOR DROPS PER MINUTE
TIME (MIN)
REMAINING INFUSION TIME:
VOLUME REMAINING (ML) MINUTES
DROP FACTOR
DROPS PER MINUTE REMAINING