## Interest calculation example

For a US-MO this interest calculation, use the verified rate from the current rule packet: **3.66%**. The verified packet cites Mo. Rev. Stat. § 408.040, § 408.020 (https://revisor.mo.gov/main/OneSection.aspx?section=408.040).

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-MO this interest calculation, use the verified rate from the current rule packet: **3.66%**. The verified packet cites Mo. Rev. Stat. § 408.040, § 408.020 (https://revisor.mo.gov/main/OneSection.aspx?section=408.040).

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-MO this interest calculation, use the verified rate from the current rule packet: **3.66%**. The verified packet cites Mo. Rev. Stat. § 408.040, § 408.020 (https://revisor.mo.gov/main/OneSection.aspx?section=408.040).

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-MO this interest calculation, use the verified rate from the current rule packet: **3.66%**. The verified packet cites Mo. Rev. Stat. § 408.040, § 408.020 (https://revisor.mo.gov/main/OneSection.aspx?section=408.040).

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 (Missouri) helps you estimate interest on a Missouri judgment under the state’s general post-judgment framewor...

Judgment Interest Calculator Guide for Missouri

ANO-831 fabrication sweep 2026-04-24: removed 6 fabrications — § 442.200 escrow misclassification, § 408.030 judgment-accrual fabrication, § 408.030 monthly-compounding fabrication, § 408.020(2) consumer-goods 18% cap fabrication, § 408.080 12% judgment-cap fabrication, Fed Funds vs. 52-week T-bill error. Stale § 408.020 6% contractual rate updated to 9%. § 535.300 fabricated interest rate cleared.

(9) in the event that the purchase of an insurance contract or insurance annuity in connection with termination of an individual’s status as a participant covered under a pension plan with respect to all or any portion of the participant’ s pension benefit under such plan constitutes a violation of part 4 of this title [1] or the terms of the plan, by the Secretary, by any individual who was a participant or beneficiary at the time of the alleged violation, or by a fiduciary, to obtain appropriate relief, including the posting of security if necessary, to assure receipt by the participant or beneficiary of the amounts provided or to be provided by such insurance contract or annuity, plus reasonable prejudgment interest on such amounts;

(c) (1) This section shall not apply in any judgment of any court with respect to any internal revenue tax case. Interest shall be allowed in such cases at the underpayment rate or overpayment rate (whichever is appropriate) established under section 6621 of the Internal Revenue Code of 1986 . (2) Except as otherwise provided in paragraph (1) of this subsection, interest shall be allowed on all final judgments against the United States in the United States Court of Appeals for the Federal circuit , [2] at the rate provided in subsection (a) and as provided in subsection (b). (3) Interest shall be allowed, computed, and paid on judgments of the United States Court of Federal Claims only as provided in paragraph (1) of this subsection or in any other provision of law.

2. In all nontort actions, interest shall be allowed on all money due upon any judgment or order of any court from the date judgment is entered by the trial court until satisfaction be made by payment, accord or sale of property; all such judgments and orders for money upon contracts bearing more than nine percent interest shall bear the same interest borne by such contracts, and all other judgments and orders for money shall bear nine percent per annum until satisfaction made as aforesaid.

408.020. When no rate of interest is agreed upon, nine percent allowed as legal interest. — Creditors shall be allowed to receive interest at the rate of nine percent per annum, when no other rate is agreed upon, for all moneys after they become due and payable, on written contracts, and on accounts after they become due and demand of payment is made; for money recovered for the use of another, and retained without the owner's knowledge of the receipt, and for all other money due or to become due for the forbearance of payment whereof an express promise to pay interest has been made.

Creditors shall be allowed to receive interest at the rate of nine percent per annum, when no other rate is agreed upon, for all moneys after they become due and payable, on written contracts, and on accounts after they become due and demand of payment is made; for money recovered for the use of another, and retained without the owner's knowledge of the receipt, and for all other money due or to become due for the forbearance of payment whereof an express promise to pay interest has been made.

6. If the landlord wrongfully withholds all or any portion of the security deposit in violation of this section, the tenant shall recover as damages twice the amount wrongfully withheld. 7. Nothing in this section shall be construed to limit the right of the landlord to recover actual damages in excess of the security deposit, or to permit a tenant to apply or deduct any portion of the security deposit at any time in lieu of payment of rent.

In all nontort actions, interest shall be allowed on all money due upon any judgment or order of any court from the date judgment is entered by the trial court until satisfaction be made by payment, accord or sale of property; all such judgments and orders for money upon contracts bearing more than nine percent interest shall bear the same interest borne by such contracts, and all other judgments and orders for money shall bear nine percent per annum until satisfaction made as aforesaid.

interest in US-MO is governed by Mo. Rev. Stat. § 408.040, § 408.020.