Anti-Fouling Paint Calculator

Calculate antifouling paint quantity from hull surface area, target DFT, volume solids, and application method.

Hull surface area (m²)

Target DFT per coat (µm)

Number of coats

Volume solids (%)

Transfer efficiency (%)

Can size (liters)

Tab to move between fields

Theoretical volume (L)

0.03

Cans to purchase

Practical volume (L)0.03

Volume purchased (L)2.5

Coverage rate (m²/L)3,600

Wet film thickness (µm)277.8

How to Use This Calculator

Enter vessel length (m), beam (m), and draft (m) to calculate wetted surface area.
Enter anti-fouling paint type (self-polishing, hard, or ablative) and dry film thickness (microns).
Read required paint volume (liters) and number of coats for full wetted surface coverage.
Account for roughness allowance and irregular surface areas (keels, rudders) in total area estimate.
Plan for re-application intervals: self-polishing types typically last 3-5 years depending on trade.

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