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Calcimator

Fumigation Volume Calculator

Calculate fumigant dosage, exposure time, and aeration requirements based on structure volume, target pest, and temperature conditions.

Inputs

cu ft
°F

Results

Fumigant Required

50 lbs

≈ 6 gallons of milk

Total Job Time

34 hrs

Exposure Time24 hrs
Aeration Time6 hrs
How to Use This Calculator
  1. Enter the total structure volume (cu ft) — length × width × height of all tented spaces.
  2. Select the target pest (Termites, Bed Bugs, or Stored Product Pests) — this sets the base dosage rate and exposure time.
  3. Enter the ambient temperature (°F) — colder conditions raise the dosage and exposure time, warmer conditions lower them.
  4. Review Fumigant Required (lbs), Exposure Time, and Aeration Time.
  5. Check Total Job Time for the complete duration including setup and teardown.

How the result changes with Structure Volume

Structure VolumeFumigant RequiredTotal Job Time
50,450100.9 lbs34 hrs
175,325350.65 lbs34 hrs
325,175650.35 lbs34 hrs
450,050900.1 lbs34 hrs

What each input means

Structure Volume
Total cubic footage of the structure (length × width × height).
Target Pest
Bed bugs require higher dosage and longer exposure than termites.
Temperature
Ambient temperature affects fumigant efficacy; colder temps require higher dosage.

What each result means

Fumigant Required
Total fumigant weight (sulfuryl fluoride).
Exposure Time
Time the structure must remain sealed.
Aeration Time
Time for safe ventilation after treatment.
Total Job Time
Complete job duration including setup and teardown.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    Structure Volume = 25000, Target Pest = 1, Temperature = 75 = 3 input(s) provided
  2. Calculate Fumigant Required
    Fumigant Required
    50 = 50
  3. Calculate Exposure Time
    Exposure Time
    24 = 24
  4. Calculate Aeration Time
    Aeration Time
    6 = 6

Engine last updated . Checked against 3 independently-derived tests — how we verify calculators.

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