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Calcimator

Powder Coating Calculator

Calculate powder coating material per part, batch quantities, recoverable overspray, oven time, and cost per part.

Inputs

sq in
mils
%
lb/gal

Results

Powder per Part

0.1 lb

Powder per Batch

1 lb

≈ 4 sticks of butter

Material Cost per Part

$0.50

Recoverable Powder0.33 lb
Oven Cure Time11 min
How to Use This Calculator
  1. Enter the part surface area (sq in) for each part to be coated.
  2. Set the target film thickness (mils) and transfer efficiency (%) for your gun setup.
  3. Input powder density (lb/gal) from the powder supplier's data sheet.
  4. Enter the number of parts per batch run.
  5. Review Powder per Part, Powder per Batch, Recoverable Powder, and Material Cost per Part.

How the result changes with Part Surface Area

Part Surface AreaPowder per PartPowder per BatchMaterial Cost per Part
5,0011 lb10.01 lb$5.00
17,5013.5 lb35.02 lb$17.51
32,5006.5 lb65.03 lb$32.52
45,0009 lb90.04 lb$45.02

What each input means

Part Surface Area
Total surface area of each part in square inches.
Film Thickness
Target dry film thickness in mils (typical: 2-5 mils).
Transfer Efficiency
Percentage of powder that adheres to part on first pass (typically 55-70%).
Powder Density
Density of the powder material (typical ~10 lb/gal for standard polyester).
Parts per Batch
Number of parts coated in each batch run.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Part Surface Area = 500, Film Thickness = 3, Transfer Efficiency = 65, Powder Density = 10 = 5 input(s) provided
  2. Calculate Powder per Part
    Powder per Part
    0.1 = 0.1
  3. Calculate Powder per Batch
    Powder per Batch
    1 = 1
  4. Calculate Material Cost per Part
    Material Cost per Part
    0.5 = $0.5
  5. Calculate Recoverable Powder
    Recoverable Powder
    0.33 = 0.33
  6. Calculate Oven Cure Time
    Oven Cure Time
    11 = 11

Engine last updated . Checked against 1 independently-derived test — how we verify calculators.

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