Boat Bottom Paint Calculator
Use this calculator to estimate how much bottom paint or barrier coat primer you need per coat for your boat.
Enter your boat's length and beam in feet, then select the coating type and click Calculate.
Coating Type:
Tip: Quantities are estimated per coat and rounded up to the nearest quart. Add 5–10% extra for waste.
Check out our more detailed bottom paint and primer coverage calculator for deep dives into bottom painting, including an explanation of how coverage calculators work, important application tips, and common questions answered.
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