Topical Quantity by Fingertip Units (Adults)
Grams of a cream or ointment for a course, from fingertip units by body area in adults.
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Sex
- Male (0.49 g a unit)
- Arm and forearm
- 2
- Hand: how many treated
- 2
- Applications per day
- 2
- Days of treatment
- 14 days
- Tube size
- 30 g
Result: 123.5 g for the course; 4.41 g an application.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Sex (sets the grams in one fingertip unit)
- Face and neck: how many treated (0 or 1)
- Front of trunk: how many treated (0 or 1)
- Back of trunk: how many treated (0 or 1)
- Arm and forearm: how many treated (0, 1 or 2)
- Hand: how many treated (0, 1 or 2)
- Leg and thigh: how many treated (0, 1 or 2)
- Foot: how many treated (0, 1 or 2)
The other 3 fields
- Applications per day
- Days of treatment
- Tube size (optional)
How this is calculated
Citation
Long CC, Finlay AY. The finger-tip unit: a new practical measure. Clin Exp Dermatol 1991;16(6):444-447 (abstract): fingertip units by body area in 30 adults. Gram weights (0.49 g men, 0.43 g women) as restated in Paterson DA, et al. Pharmaceutics 2018;10(1):9. Read the sources: Long and Finlay 1991 ↗, Paterson 2018 ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.