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Calcimator

Insecticide Dilution Calculator

Calculate the correct insecticide concentrate and water mix ratio for your sprayer. Get concentrate ounces, water gallons, and coverage area.

Inputs

%
%
gal

Results

Concentrate Needed

1.22 oz

Coverage Area

4,000 sq ft

≈ 17 one-car garages

Water3.99 gal
Application Rate0.31 oz/gal
How to Use This Calculator
  1. Enter Concentrate Strength, Target Application Rate, and Tank Size.
  2. Review Concentrate Needed (oz) and Coverage Area (sq ft).
  3. Use Water (gal) and Application Rate (oz/gal) to inform your decision.
  4. Use the chart to visualize the results and explore different scenarios by adjusting inputs.

How the result changes with Concentrate Strength

Concentrate StrengthConcentrate NeededCoverage Area
103.07 oz4,000 sq ft
350.88 oz4,000 sq ft
650.47 oz4,000 sq ft
900.34 oz4,000 sq ft

What each input means

Concentrate Strength
Active ingredient percentage on the product label (e.g., 25.1% for Demand CS).
Target Application Rate
Desired finished solution concentration per the label (e.g., 0.06%).
Tank Size
Capacity of your pump sprayer or tank.

What each result means

Concentrate Needed
Fluid ounces of concentrate to add to the tank.
Water
Gallons of water to fill the tank after adding concentrate.
Coverage Area
Estimated area covered at 1 gal per 1,000 sq ft.
Application Rate
Ounces of concentrate per gallon of finished solution.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    Concentrate Strength = 25.1, Target Application Rate = 0.06, Tank Size = 4 = 3 input(s) provided
  2. Calculate Concentrate Needed
    Concentrate Needed
    1.22 = 1.22
  3. Calculate Coverage Area
    Coverage Area
    4000 = 4000
  4. Calculate Water
    Water
    3.99 = 3.99

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