Michigan judgment & prejudgment interest rates
Everything Michigan 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 | 4.725% | Set by statute |
| Prejudgment interest | 4.725% | Formula rate |
Post-judgment interest
Michigan's post-judgment interest rate is 4.725% per year. Michigan is unusual: interest runs from the day you file the complaint, not just after judgment. Under MCL §600.6013 the general rate is 1 point above the six-month average of 5-year Treasury auctions, reset every January 1 and July 1 and compounded annually — currently 4.725%. Judgments on a written instrument use a separate rate capped at 13%.
→ Full Michigan post-judgment page — statute, effective-date history, and source.
Prejudgment interest
Michigan's prejudgment interest rate is 4.725% per year (formula rate). Michigan prejudgment interest is currently 4.725% per year — a statutory formula rate under MCL 600.6013 that resets twice a year. Michigan has NO separate general prejudgment-interest statute; instead MCL 600.6013 (nominally the "interest on money judgments" statute) runs interest FROM THE DATE THE COMPLAINT IS FILED,…
→ Full Michigan prejudgment page — when it applies, accrual, compounding, and carve-outs.
Frequently asked
What is the post-judgment interest rate in Michigan?
As of January 1, 2026, the Michigan post-judgment interest rate is 4.725% per year. Michigan’s judgment rate — 5-year Treasury + 1 point, compounded.
What is the prejudgment interest rate in Michigan?
Michigan's prejudgment interest rate is 4.725% per year (formula rate). Michigan has NO separate general prejudgment-interest statute; instead MCL 600.6013 (nominally the "interest on money judgments" statute) runs interest FROM THE DATE THE COMPLAINT IS FILED,…
Is Michigan 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 — Michigan 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.