## US-CT interest rules

This source-backed guide covers US-CT interest authority (Conn. Gen. Stat. § 37-1, § 37-3a, § 37-3b). It certifies only the quoted source-backed rules below; related interest categories remain outside this page unless they are expressly listed in the receipt.

## Conn. Gen. Stat. § 37-1, § 37-3a, § 37-3b

US-CT interest controlling authority under Conn. Gen. Stat. § 37-1, § 37-3a, § 37-3b.

> **37-1.** (a) The compensation for forbearance of property loaned at a fixed valuation, or for money, shall, in the absence of any agreement to the contrary, be at the rate of eight per cent a year; and, in computing interest, three hundred sixty days may be considered to be a year.

## Use the calculator

DocketMath's interest calculator can model interest scenarios once you identify the controlling jurisdiction, amount, rate type, and accrual date. Use the source panel for the verified source-backed rule.

[Open the Interest calculator](/tools/interest)

## Sources

- [37-1 — Conn. Gen. Stat. § 37-1, § 37-3a, § 37-3b](https://www.cga.ct.gov/current/pub/chap_673.htm)

All sources are official primary law published by `www.cga.ct.gov`.

**Corroboration method:** government_primary_source_direct_fetch.


DocketMath’s Judgment Interest Calculator for Connecticut (US-CT) helps you estimate post-judgment interest amounts by applying a selected judgment date...

Judgment Interest Calculator Guide for Connecticut

ANO-831 CT interest-calculator surgery 2026-04-24. Fabrications fixed: (1) § 37-3c 'good faith cure' sub-rule under late_payment — § 37-3c does not address cure periods; removed. (2) penalty.§ 37-1 rate claimed 10% — actual 8%; entry recast as unverified. (3) penalty.§ 37-3a sub-rule @ 5% — fabrication (§ 37-3a is 10%); removed. (4) penalty.§ 37-4 text fabricated — § 37-4 concerns demand-for-payment on loans, not penalty interest; removed. (5) erisa.§ 37-3a sub-rule cited a Queensland, Australia URL with fabricated CT 8% judgment text — removed; replaced with 28 U.S.C. § 1961 which is the actual rate courts apply. (6) escrow.§ 49-2 miscited — § 49-2 governs mortgage release, not escrow interest; entry recast as unverified. (7) escrow.§ 37-4 text fabricated; removed. (8) security_deposit: prior interest_rate 0.1 plus raw text '3% per annum' contradicted each other; § 47a-21(i) imposes a 1.5% statutory floor — corrected. Discretionary 'may' in § 37-3a vs mandatory 'shall' in § 37-3b distinguished in judgment.rate_notes. § 52-192a offer-of-compromise (8%) clarified. _ano_711_research block (wrong phase, verified_date was effective-date 1983-10-01) replaced with _ano_710_research.

(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.

Except as provided in sections 37-3b, 37-3c and 52-192a, interest at the rate of ten per cent a year, and no more, may be recovered and allowed in civil actions or arbitration proceedings under chapter 909, including actions to recover money loaned at a greater rate, as damages for the detention of money after it becomes payable.

For a cause of action arising on or after May 27, 1997, interest at the rate of ten per cent a year, and no more, shall be recovered and allowed in any action to recover damages for injury to the person, or to real or personal property, caused by negligence, computed from the date that is twenty days after the date of judgment or the date that is ninety days after the date of verdict, whichever is earlier, upon the amount of the judgment.

After trial the court shall examine the record to determine whether the plaintiff made an offer of compromise which the defendant failed to accept. If the court ascertains from the record that the plaintiff has recovered an amount equal to or greater than the sum certain specified in the plaintiff's offer of compromise, the court shall add to the amount so recovered eight per cent annual interest on said amount, except in the case of a counterclaim plaintiff under section 8-132, the court shall add to the amount so recovered eight per cent annual interest on the difference between the amount so recovered and the sum certain specified in the counterclaim plaintiff's offer of compromise.

(a) The compensation for forbearance of property loaned at a fixed valuation, or for money, shall, in the absence of any agreement to the contrary, be at the rate of eight per cent a year; and, in computing interest, three hundred sixty days may be considered to be a year.

shall pay interest on each security deposit received by such landlord at a rate of not less than the average rate paid, as of December 30, 1992, on savings deposits by insured commercial banks as published in the Federal Reserve Board Bulletin rounded to the nearest one-tenth of one percentage point, except in no event shall the rate be less than one and one-half per cent.

The Banking Commissioner... shall determine annually the deposit index... and shall publish such rate...

interest in US-CT is governed by Conn. Gen. Stat. § 37-1, § 37-3a, § 37-3b.