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Trim Tab Calculator

Calculate the optimal trim tab size for your boat

Quick Samples
Try these common configurations to get started

25ft Sport Fisher

Common V-hull sport boat

30ft Express Cruiser

Heavier cruiser with moderate V

35ft Performance Boat

Deep-V high-speed hull

Hull Dimensions
Enter your boat's principal dimensions
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About This Tool
This calculator helps you select the correct size trim tabs for your boat. Proper trim tab sizing is crucial for improving performance, correcting trim issues, and enhancing fuel efficiency on planing hulls.

Key Concepts:

Span (Width): Affects lateral (side-to-side) trim control.
Chord (Length): Affects the total amount of lift generated.
Deadrise: The angle of the hull bottom, affecting tab effectiveness.
Attitude: The running angle of the boat in the water.
Frequently Asked Questions

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