UKC Calculator

Calculate Under Keel Clearance after squat and allowances.

Charted Depth (m)

Static Draft (m)

Squat (m)

Other Allowances (m)

Minimum Required UKC (m)

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Available UKC —

Formula

Available UKC = Charted Depth − Static Draft − Squat − Other Allowances

Useful for bridge officers assessing safe underkeel clearance in shallow water or channels.