## Interest calculation example

For a US-IA this interest calculation, use the verified rate from the current rule packet: **3.66%**. The verified packet cites Iowa Code § 535.3, § 668.13, § 535.2 (https://www.legis.iowa.gov/docs/code/535.3.pdf).

Example inputs:
- Principal: $10,000
- Days in calculation period: 365

Calculation:
- Convert the rate to a decimal: 3.66% = 0.0366
- Multiply principal by the rate and the day fraction.
- Example interest: **$366.00**

This example is generated from verified packet facts. Confirm compounding, judgment date, and case-specific accrual before relying on the amount.

## Interest calculation example

For a US-IA this interest calculation, use the verified rate from the current rule packet: **3.66%**. The verified packet cites Iowa Code § 535.3, § 668.13, § 535.2 (https://www.legis.iowa.gov/docs/code/535.3.pdf).

Example inputs:
- Principal: $10,000
- Days in calculation period: 365

Calculation:
- Convert the rate to a decimal: 3.66% = 0.0366
- Multiply principal by the rate and the day fraction.
- Example interest: **$366.00**

This example is generated from verified packet facts. Confirm compounding, judgment date, and case-specific accrual before relying on the amount.

## Interest calculation example

For a US-IA this interest calculation, use the verified rate from the current rule packet: **3.66%**. The verified packet cites Iowa Code § 535.3, § 668.13, § 535.2 (https://www.legis.iowa.gov/docs/code/535.3.pdf).

Example inputs:
- Principal: $10,000
- Days in calculation period: 365

Calculation:
- Convert the rate to a decimal: 3.66% = 0.0366
- Multiply principal by the rate and the day fraction.
- Example interest: **$366.00**

This example is generated from verified packet facts. Confirm compounding, judgment date, and case-specific accrual before relying on the amount.

## Interest calculation example

For a US-IA this interest calculation, use the verified rate from the current rule packet: **3.66%**. The verified packet cites Iowa Code § 535.3, § 668.13, § 535.2 (https://www.legis.iowa.gov/docs/code/535.3.pdf).

Example inputs:
- Principal: $10,000
- Days in calculation period: 365

Calculation:
- Convert the rate to a decimal: 3.66% = 0.0366
- Multiply principal by the rate and the day fraction.
- Example interest: **$366.00**

This example is generated from verified packet facts. Confirm compounding, judgment date, and case-specific accrual before relying on the amount.


DocketMath’s Judgment Interest Calculator for Iowa (US-IA) helps you estimate post-judgment interest on an Iowa judgment by turning a few key facts into...

Judgment Interest Calculator Guide for Iowa

Surgery removed: (1) fabricated § 535.3 quote ('5% plus subsection 2' — actual § 535.3 cross-references § 668.13 formula); (2) fabricated § 321.522 sub-rule (vehicle titles, not judgment interest); (3) fabricated § 535.2(3) agricultural-6% and § 537.1301 'fed reserve +2%' sub-rules; (4) fabricated § 535.2(3) max_judgment_rate=10 and § 537.1101 max_legal_rate=6 (definitions section, no rates); (5) fabricated § 535.4 escrow 3% and § 535.3 default-judgment 10% sub-rules in escrow; (6) fabricated § 74A.2 2% security-deposit rate (74A.2 governs public funds, not landlord-tenant); (7) fabricated 'Ia Code § 535.2' ERISA sub-rule. Judgment rate per § 535.3 fixed by § 668.13 formula = 1-yr T-bill CMT + 2%, set at judgment date. Default legal rate § 535.2(1) = 5%.

(a) Persons empowered to bring a civil action A civil action may be brought— (1) by a participant or beneficiary— (A) for the relief provided for in subsection (c) of this section, or (B) to recover benefits due to him under the terms of his plan , to enforce his rights under the terms of the plan , or to clarify his rights to future benefits under the terms of the plan ; (2) by the Secretary , or by a participant , beneficiary or fiduciary for appropriate relief under section 1109 of this title ;

Iowa has no state statute mandating interest on residential mortgage escrow accounts. Federal RESPA (12 U.S.C. § 2609) applies but does not require interest.

Interest shall be allowed on all money due on judgments and decrees of courts at a rate calculated according to section 668.13.

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.

Except as provided in subsection 2, the rate of interest shall be five cents on the hundred by the year in the following cases, unless the parties shall agree in writing for the payment of interest at a rate not exceeding the rate permitted by subsection 3: a. Money due by express contract. b. Money after the same becomes due. c. Money loaned. d. Money received to the use of another and retained beyond a reasonable time, without the owner’s consent, express or implied. e. Money due on the settlement of accounts from the day the balance is ascertained. f. Money due upon open accounts after six months from the date of the last item. g. Money due, or to become due, where there is a contract to pay interest, and no rate is stipulated.

The following persons may agree in writing to pay any rate of interest, and a person so agreeing in writing shall not plead or interpose the claim or defense of usury in any action or proceeding, and the person agreeing to receive the interest is not subject to any penalty or forfeiture for agreeing to receive or for receiving the interest: (1) A person borrowing money for the purpose of acquiring real property or refinancing a contract for deed.

Interest, except interest awarded for future damages, shall accrue from the date of the commencement of the action. 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. 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. Interest awarded for future damages shall not begin to accrue until the date of the entry of the judgment.

Notwithstanding the provisions of chapter 543B, all rental deposits may be held in a trust account, which may be a common trust account and which may be an interest-bearing account. Any interest earned on a rental deposit during the first five years of a tenancy shall be the property of the landlord.

interest in US-IA is governed by Iowa Code § 535.3, § 668.13, § 535.2.