Hawaii UM/UIM Stacking Calculator

Hawaii prohibits stacking or aggregating UM and UIM coverage unless you bought the stacking option that insurers must offer, and its no-fault law limits pain and suffering claims to listed injuries. Enter your limit, your damages and the other driver's limits to see the range.

Cited to HRS 431:10C-301 FigureMyTax Editorial Team Free · no sign-up

Estimate your UM/UIM benefits

Enter your policy limit, your damages and the other driver's liability limits.

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Estimated result
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Hawaii bans stacking unless the insured buys the stacking option

Hawaii's rule is in HRS 431:10C-301. Subsection (c) prohibits stacking or aggregating UM and UIM coverage except as provided, and subsection (d) requires insurers to offer a stacking option. The underinsured definition is in 431:10C-103, and the no-fault tort threshold in 431:10C-306.

Read how stacked and unstacked coverage differ in Hawaii, check what subsections (c) and (d) require, or see how UM and UIM work under the no-fault law.

Injured in Hawaii?

A local personal injury attorney can review your claim — many offer a free consultation.

Talk to a Hawaii attorney

This is an estimate for general guidance only and is not legal advice. Figures are based on the cited Hawaii statutes. Confirm how these rules apply to your specific case with a licensed Hawaii attorney.