Iowa Code » Chapter 668 — LIABILITY IN TORT — COMPARATIVE FAULT
Iowa Code

Iowa Code § 668.13 (2026)

Interest on judgments

✓ current as of July 2026
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Interest shall be allowed on all money due on judgments and decrees on actions brought pursuant to this chapter, subject to the following:

1. Interest, except interest awarded for future damages, shall accrue from the date of the commencement of the action.

2. If the interest rate is fixed by a contract on which the judgment or decree is rendered, the interest allowed shall be at the rate expressed in the contract, not exceeding the maximum rate permitted under section 535.2.

3. Interest shall be calculated as of the date of judgment at a rate equal to the one-year treasury constant maturity published by the federal reserve in the H15 report settled immediately prior to the date of the judgment plus two percent. The state court administrator shall distribute notice monthly of that rate and any changes to that rate to all district courts.

4. Interest awarded for future damages shall not begin to accrue until the date of the entry of the judgment.\n\nTue Dec 09 21:57:38 2025 Iowa Code 2026, Chapter 668 (24, 0) §668.13, LIABILITY IN TORT — COMPARATIVE FAULT 6\n\n 5. Interest shall be computed daily to the date of the payment, except as may otherwise be ordered by the court pursuant to a structured judgment under section 668.3, subsection 7.

6. Structured, periodic, or other nonlump-sum payments ordered pursuant to section 668.3, subsection 7, shall reflect interest in accordance with annuity principles. 87 Acts, ch 157, §8; 97 Acts, ch 197, §14, 16; 2001 Acts, ch 87, §9, 10; 2003 Acts, ch 151, §58 Referred to in §202C.3, 535.3, 551A.8, 602.1209 \n

Notes of Decisions
Cited in 54 cases (9 in the last 5 years), 1988–2026 · leading case: Vasquez v. LeMars Mut. Ins. Co., 477 N.W.2d 404 (Iowa 1991).
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Vasquez v. LeMars Mut. Ins. Co., 477 N.W.2d 404 (Iowa 1991). · cites it 32× “3 (1983) rather than Iowa Code section 668.13. In addition, the court awarded prejudgment interest in excess of the combined limits of the policies.”
Waterloo Sav. Bank v. Austin Ex Rel. Austin, 494 N.W.2d 715 (Iowa 1993). · cites it 22× “” Iowa Code § 668.13 (4). 2 . The statute provides: Interest shall be calculated as of the date of judgment at a rate equal to the coupon issue yield equivalent, as determined by the United States secretary of the treasury, of the average accepted auction price for the last…”
Pamela Sue Hook v. Tito Trevino, Individually, & Tito Trevino D/B/A Trevino Law Offices, 839 N.W.2d 434 (Iowa 2013). · cites it 8× “The statute governing interest on tort judgments against private parties is found in Iowa Code section 668.13 (2011), which states: Interest shall be allowed on all money due on judgments and decrees on actions brought pursuant to this chapter, subject to the following: 1.”
Opperman v. Allied Mut. Ins. Co., 652 N.W.2d 139 (Iowa 2002). · cites it 20× “Iowa Code section 668.13 provides the commencement date and the rules for the determination of interest: Interest shall be allowed on all money due on judgments and decrees on actions brought pursuant to this chapter, subject to the following: 1.”
Wolbers v. the Finley Hosp., 673 N.W.2d 728 (Iowa 2003). · cites it 8× “Iowa Code § 668.13 (1). Interest on damages awarded for future losses begins accruing on the date the judgment is entered.”
Hagen v. Siouxland Obstetrics & Gynecology, P.C., 23 F. Supp. 3d 991 (N.D. Iowa 2014). · cites it 14× “” Iowa Code § 668.13 (1). None of the damages awarded in this case were future damages.”
Wilson v. Farm Bureau Mut. Ins. Co., 770 N.W.2d 324 (Iowa 2009). · cites it 16× “at 409 (quoting Iowa Code § 668.3 (2)). We held the underin-sured motorist claim was a contractual one, and consequently did not involve “the fault of more than one party to the claim.”
Purina Mills, L.L.C. v. Less, 295 F. Supp. 2d 1017 (N.D. Iowa 2003). · cites it 10× “Iowa Code § 668.13 (1), (3), (4) (2003) (emphasis added).”
Baker v. John Morrell & Co., 266 F. Supp. 2d 909 (N.D. Iowa 2003). · cites it 6× “” Iowa Code § 668.13 . In order to fully compensate Baker and because of the mandatory nature of the Iowa statutory provision concerning interest on judgments, Baker’s request for prejudgment interest for backpay, past emotional distress awards, and past medical expenses is…”
Frunzar v. Allied Prop. & Cas. Ins. Co., 548 N.W.2d 880 (Iowa 1996). · cites it 11× “3 or under Iowa Code section 668.13. Allied also challenged, in the event the court awarded interest under section 535.”
Mercy Hosp. v. Hansen, Lind & Meyer, P.C., 456 N.W.2d 666 (Iowa 1990). · cites it 8× “Iowa Code § 668.13 (4) (1989). Although this action, at least in part, is governed by the Iowa Comparative Fault Act, section 668.”
Schimmelpfennig v. Eagle Nat. Assur. Corp., 641 N.W.2d 814 (Iowa 2002). · cites it 10× “In refusing to allow interest on these sums, the district court stated, “[t]he court also does not find that the insurance contract provides for the payment of interest, and therefore interest will not be [allowed] with regard to these matters.”
Show all 54 citing cases →
— Iowa Code § 668.13(1) — 10 cases
Pamela Sue Hook v. Tito Trevino, Individually, & Tito Trevino D/B/A Trevino Law Offices, 839 N.W.2d 434 (Iowa 2013). “The statute governing interest on tort judgments against private parties is found in Iowa Code section 668.13 (2011), which states: Interest shall be allowed on all money due on judgments and decrees on actions brought pursuant to this chapter, subject to the following: 1.”
Schimmelpfennig v. Eagle Nat. Assur. Corp., 641 N.W.2d 814 (Iowa 2002). “In refusing to allow interest on these sums, the district court stated, “[t]he court also does not find that the insurance contract provides for the payment of interest, and therefore interest will not be [allowed] with regard to these matters.”
Opperman v. Allied Mut. Ins. Co., 652 N.W.2d 139 (Iowa 2002). “Iowa Code section 668.13 provides the commencement date and the rules for the determination of interest: Interest shall be allowed on all money due on judgments and decrees on actions brought pursuant to this chapter, subject to the following: 1.”
Wilson v. Farm Bureau Mut. Ins. Co., 770 N.W.2d 324 (Iowa 2009). “at 409 (quoting Iowa Code § 668.3 (2)). We held the underin-sured motorist claim was a contractual one, and consequently did not involve “the fault of more than one party to the claim.”
Van Horn v. Specialized Support Servs., Inc., 269 F. Supp. 2d 1064 (S.D. Iowa 2003).
— Iowa Code § 668.13(2) — 1 case
Robert W. Davis & Kirk K. Peterson v. Am. Int'l Bridge, Inc., Anfu Wang & Chun Ling Lu, 910 N.W.2d 621 (Iowa Ct. App. 2017).
— Iowa Code § 668.13(3) — 12 cases
Guzman v. Des Moines Hotel Partners, 489 N.W.2d 7 (Iowa 1992).
Waterloo Sav. Bank v. Austin Ex Rel. Austin, 494 N.W.2d 715 (Iowa 1993). “” Iowa Code § 668.13 (4). 2 . The statute provides: Interest shall be calculated as of the date of judgment at a rate equal to the coupon issue yield equivalent, as determined by the United States secretary of the treasury, of the average accepted auction price for the last…”
Baker v. John Morrell & Co., 266 F. Supp. 2d 909 (N.D. Iowa 2003). “” Iowa Code § 668.13 . In order to fully compensate Baker and because of the mandatory nature of the Iowa statutory provision concerning interest on judgments, Baker’s request for prejudgment interest for backpay, past emotional distress awards, and past medical expenses is…”
Purina Mills, L.L.C. v. Less, 295 F. Supp. 2d 1017 (N.D. Iowa 2003). “Iowa Code § 668.13 (1), (3), (4) (2003) (emphasis added).”
Baumler v. Hemesath, 534 N.W.2d 650 (Iowa 1995).
— Iowa Code § 668.13(4) — 3 cases
Waterloo Sav. Bank v. Austin Ex Rel. Austin, 494 N.W.2d 715 (Iowa 1993). “” Iowa Code § 668.13 (4). 2 . The statute provides: Interest shall be calculated as of the date of judgment at a rate equal to the coupon issue yield equivalent, as determined by the United States secretary of the treasury, of the average accepted auction price for the last…”
Wolbers v. the Finley Hosp., 673 N.W.2d 728 (Iowa 2003). “Iowa Code § 668.13 (1). Interest on damages awarded for future losses begins accruing on the date the judgment is entered.”
Opperman v. Allied Mut. Ins. Co., 652 N.W.2d 139 (Iowa 2002). “Iowa Code section 668.13 provides the commencement date and the rules for the determination of interest: Interest shall be allowed on all money due on judgments and decrees on actions brought pursuant to this chapter, subject to the following: 1.”
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