Louisiana judgment & prejudgment interest rates
Everything Louisiana 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 | 7.5% | Set by statute |
| Prejudgment interest | 7.5% | Same rate as post-judgment |
Post-judgment interest
Louisiana's post-judgment interest rate is 7.5% per year. Louisiana post-judgment interest is currently 7.5% — a statutory formula rate under La. R.S. 13:4202(B) that resets each year. Louisiana uses one unified "judicial interest" (= "legal interest") rate; La. R.S. 13:4203 provides interest attaches from the date of judicial…
→ Full Louisiana post-judgment page — statute, effective-date history, and source.
Prejudgment interest
Louisiana's prejudgment interest rate is 7.5% per year (same rate as post-judgment). Louisiana applies the same rate to prejudgment interest as to post-judgment interest — currently 7.5% per year under La. R.S. 13:4202. Louisiana is notably BROAD/permissive — prejudgment "judicial interest" is available and generally MANDATORY across claim types, unlike most states.
→ Full Louisiana prejudgment page — when it applies, accrual, compounding, and carve-outs.
Frequently asked
What is the post-judgment interest rate in Louisiana?
As of January 1, 2026, the Louisiana post-judgment interest rate is 7.5% per year. Louisiana judgment interest — a formula rate, reset each year.
What is the prejudgment interest rate in Louisiana?
Louisiana's prejudgment interest rate is 7.5% per year (same rate as post-judgment). Louisiana is notably BROAD/permissive — prejudgment "judicial interest" is available and generally MANDATORY across claim types, unlike most states.
Is Louisiana 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 — Louisiana 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.