Hawaii judgment & prejudgment interest rates
Everything Hawaii charges in interest on a money judgment or an overdue debt, in one place — the rate after judgment and the rate before it, each verified against the statute and linked to its full page with sources, history, and carve-outs.
| Metric | Rate | Basis |
|---|---|---|
| Post-judgment interest | 10% | Set by statute |
| Prejudgment interest | 10% | Discretionary |
Post-judgment interest
Hawaii's post-judgment interest rate is 10% per year. Hawaii money judgments carry a fixed statutory rate of 10% per year under Haw. Rev. Stat. 478-3. Related: 478-2, as simple interest. 478-3 governs POST-judgment interest on any civil judgment at a flat 10%. PREJUDGMENT interest is separate — HRS 636-16 lets the judge designate the…
→ Full Hawaii post-judgment page — statute, effective-date history, and source.
Prejudgment interest
Hawaii's prejudgment interest rate is 10% per year (discretionary). In Hawaii, prejudgment interest is discretionary: a court may award it, and when it does the rate is 10% per year under HRS 636-16. Prejudgment interest is DISCRETIONARY, not automatic.
→ Full Hawaii prejudgment page — when it applies, accrual, compounding, and carve-outs.
Frequently asked
What is the post-judgment interest rate in Hawaii?
As of July 9, 2026, the Hawaii post-judgment interest rate is 10% per year. Hawaii’s statutory judgment interest rate.
What is the prejudgment interest rate in Hawaii?
Hawaii's prejudgment interest rate is 10% per year (discretionary). Prejudgment interest is DISCRETIONARY, not automatic.
Is Hawaii judgment interest simple or compound, and when does it start?
See each rate's page for the exact compounding rule, accrual date, and statutory carve-outs — Hawaii prejudgment interest in particular turns on the type of claim.
Compare every state on the state interest-rate index and the prejudgment interest index, or run the numbers with our interest calculators. Reference data only — not legal advice.