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Calcimator

Water Purification Needs Calculator

Treatment capacity from group size and trip length.

Inputs

Results

Water/person/day (L)

4.5

Group daily water (L)13.5
Total trip water (L)40.5
Max carry capacity (L)0.7
Recommended method2
Daily filter time (min)14
Chemical doses (backup)41
Filter Capacity Needed40.5
Chemical Bottles Needed1
How to Use This Calculator
  1. Enter number of hikers, trip duration (days), and daily water consumption per person (liters/day).
  2. Enter water source type (clear stream, murky lake, questionable source) and filter flow rate (L/min).
  3. Read total water needed (liters) and estimated purification time (minutes/day).
  4. Review recommended treatment method for the water source type (filter, UV, chemical, or combination).
  5. Plan filter capacity and backup treatment to ensure water security throughout the trip.
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