NURSING MATH CONVERSION CHEAT SHEET EXAM QUESTIONS WELL ANSWERED LATEST UPDATE
2026
1 kg - Answers 2.2 lb
1 lb - Answers 0.45 kg
To convert lb to kg - Answers lb ÷ 2.2 = kg
To convert kg to lb - Answers kg × 2.2 = lb
Example conversion of 176 lb - Answers 176 lb ÷ 2.2 = 80 kg
1 inch - Answers 2.54 cm
1 meter - Answers 100 cm
1 tsp - Answers 5 mL
1 tbsp - Answers 15 mL
1 oz - Answers 30 mL
1 cup - Answers 240 mL
1 pint - Answers 480 mL
1 quart - Answers 960 mL
1 gallon - Answers 3840 mL
1 hour - Answers 60 minutes
1 minute - Answers 60 seconds
Fahrenheit to Celsius formula - Answers (F - 32) × 5/9 = °C
Celsius to Fahrenheit formula - Answers (C × 9/5) + 32 = °F
Example conversion of 98.6°F - Answers 98.6°F = 37°C
Basic Dosage Formula - Answers Desired ÷ Have × Quantity = Amount to Give
Dosage formula representation - Answers D/H × Q = X
Example dosage calculation - Answers 500 ÷ 250 × 1 = 2 tablets
IV Flow Rate for Gravity - Answers (mL × Drop Factor) ÷ Time (minutes) = gtt/min
Example IV flow rate calculation - Answers (1000 × 15) ÷ 480 = 31 gtt/min
Infusion Pump formula - Answers Total mL ÷ Hours = mL/hr
Example infusion pump calculation - Answers 1000 ÷ 8 = 125 mL/hr
1 g - Answers 1000 mg
1 mg - Answers 1000 mcg
1 L - Answers 1000 mL
Dosage Conversion Ladder - Answers kg → g → mg → mcg (Larger to smaller: multiply by 1000)
U-100 insulin - Answers 100 units/mL
Example insulin calculation - Answers 25 units = 0.25 mL
Heparin Calculation formula - Answers Units ordered ÷ Units available × mL available = mL/hr
Pediatric Dosage formula - Answers Safe Dose = mg/kg/day
Quick Rounding Rule for Tablets - Answers Round to nearest whole or half tablet
Quick Rounding Rule for Oral liquids - Answers Nearest tenth
Quick Rounding Rule for Injectable medications - Answers Nearest hundredth
Quick Rounding Rule for IV rates - Answers Nearest whole number
NCLEX Tip - Answers Always convert first.
Dangerous Abbreviation - Answers Write 'unit,' never 'U'
Dimensional Analysis Setup Example - Answers 500 mg × (1 tablet / 250 mg) = 2 tablets
Memorize These First - Answers 1 kg = 2.2 lb
2026
1 kg - Answers 2.2 lb
1 lb - Answers 0.45 kg
To convert lb to kg - Answers lb ÷ 2.2 = kg
To convert kg to lb - Answers kg × 2.2 = lb
Example conversion of 176 lb - Answers 176 lb ÷ 2.2 = 80 kg
1 inch - Answers 2.54 cm
1 meter - Answers 100 cm
1 tsp - Answers 5 mL
1 tbsp - Answers 15 mL
1 oz - Answers 30 mL
1 cup - Answers 240 mL
1 pint - Answers 480 mL
1 quart - Answers 960 mL
1 gallon - Answers 3840 mL
1 hour - Answers 60 minutes
1 minute - Answers 60 seconds
Fahrenheit to Celsius formula - Answers (F - 32) × 5/9 = °C
Celsius to Fahrenheit formula - Answers (C × 9/5) + 32 = °F
Example conversion of 98.6°F - Answers 98.6°F = 37°C
Basic Dosage Formula - Answers Desired ÷ Have × Quantity = Amount to Give
Dosage formula representation - Answers D/H × Q = X
Example dosage calculation - Answers 500 ÷ 250 × 1 = 2 tablets
IV Flow Rate for Gravity - Answers (mL × Drop Factor) ÷ Time (minutes) = gtt/min
Example IV flow rate calculation - Answers (1000 × 15) ÷ 480 = 31 gtt/min
Infusion Pump formula - Answers Total mL ÷ Hours = mL/hr
Example infusion pump calculation - Answers 1000 ÷ 8 = 125 mL/hr
1 g - Answers 1000 mg
1 mg - Answers 1000 mcg
1 L - Answers 1000 mL
Dosage Conversion Ladder - Answers kg → g → mg → mcg (Larger to smaller: multiply by 1000)
U-100 insulin - Answers 100 units/mL
Example insulin calculation - Answers 25 units = 0.25 mL
Heparin Calculation formula - Answers Units ordered ÷ Units available × mL available = mL/hr
Pediatric Dosage formula - Answers Safe Dose = mg/kg/day
Quick Rounding Rule for Tablets - Answers Round to nearest whole or half tablet
Quick Rounding Rule for Oral liquids - Answers Nearest tenth
Quick Rounding Rule for Injectable medications - Answers Nearest hundredth
Quick Rounding Rule for IV rates - Answers Nearest whole number
NCLEX Tip - Answers Always convert first.
Dangerous Abbreviation - Answers Write 'unit,' never 'U'
Dimensional Analysis Setup Example - Answers 500 mg × (1 tablet / 250 mg) = 2 tablets
Memorize These First - Answers 1 kg = 2.2 lb
