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Calcimator

Leave No Trace Calculator

Waste and impact minimization from group size and duration.

Inputs

Results

Impact score (0–100)

39

Impact rating2
Total trash (lb)6
Cat holes needed12
WAG bags needed12
Gray water (gal)6
Firewood needed (lb)18
Fire Scar (sq ft)3
RatingLow
How to Use This Calculator
  1. Enter group size, trip duration (days), and campsite type (frontcountry, backcountry, alpine).
  2. Enter waste generated per person per day and distance to nearest waste disposal facilities.
  3. Read LNT impact score and recommended waste pack-out vs. cat-hole disposal approach.
  4. Review minimum impact guidelines for the specific ecosystem type.
  5. Use the score to plan trip logistics that minimize impact on sensitive areas.
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