Estimate how long your sunscreen bottle covers daily use.
The bottle is split by the dose and daily frequency to show total applications and coverage weeks. Sunscreen only works at full coverage, so knowing the bottle lifetime keeps people from under-applying.
Sunscreen Usage
Applications = (size / per application) x per day
Applications = (size / per application) x per day The bottle is split by the dose and daily frequency to show total applications and coverage weeks.
Sunscreen only works at full coverage, so knowing the bottle lifetime keeps people from under-applying.
This calculator takes 4 inputs: Bottle size, Per application, Applications per day, Days per week. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.