Topical Medication Calculator
Calculate topical medication quantities using the Fingertip Unit (FTU) method for accurate prescriptions.
Medical Disclaimer
This calculator is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health. Never disregard professional medical advice or delay seeking it because of results from this tool.
Inputs
Results
Total Needed
0.02oz
Tube Size
0.02oz
How to Use This Calculator
- Select the Body Area being treated from the anatomical list.
- Enter Affected BSA % and the number of Applications per Day.
- Set the Treatment Duration (days) and select the Formulation (cream, ointment, gel, lotion).
- Review FTU per Application and Grams per Application to determine dispensing quantity.
- Use Total Grams Needed and Recommended Tube Size to prescribe the correct supply.
What each input means
- Body Area
- 1=face/neck, 2=arm, 3=hand, 4=trunk front, 5=trunk back, 6=leg, 7=foot, 8=scalp.
- Affected Area
- BSA percentage affected.
- Applications/Day
- Daily application frequency.
- Treatment Duration
- Total treatment days.
- Formulation
- 1=cream, 2=ointment, 3=lotion.
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersBody Area = 1, Affected Area = 5, Applications/Day = 2, Treatment Duration = 14 = 5 input(s) provided
- Calculate Total NeededTotal Needed = gramsPerDay * treatmentDays19 = 19
- Calculate Tube Size15 = 15
- Calculate FTU Per ApplicationFTU Per Application = ftuForArea * affectedFraction1.4 = 1.4
- Calculate Grams/ApplicationGrams/Application = ftuPerApplication * gpf0.7 = 0.7
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