Rhode Island Late Fee Calculator

Work out interest on an overdue B2B invoice under Rhode Island law. The legal default rate — what applies when the contract is silent — is 12%, and the statute is quoted verbatim below. All math runs locally in your browser.

12% legal default rate (contract silent)
Max written B2B rate
Greater of 21% or the domestic prime rate +9 pts — and this cap applies to ordinary B2B deals too (no business exemption).
Cap regime
Hard cap — 21% (or prime+9%)
Statute
R.I. Gen. Laws §§ 6-26-1, 6-26-2
Verified
— how we verify · changelog

Statutory legal rate when no rate is agreed.

Pre-filled with Rhode Island's statutory default (12%) — the rate that applies when no rate was agreed. If your contract states a different rate, enter that instead.

What Rhode Island law actually says

Post judgment interest on any judgment, and interest in all business transactions where interest is secured or paid, shall be computed at the rate of twelve dollars ($12.00) on one hundred dollars ($100) for one year, unless a different rate is expressly stipulated.
— R.I. Gen. Laws § 6-26-1 (Legal rate of interest — Post judgment interest). Read it at the official source · row verified 2026-08-19.

Quoted verbatim from the linked official source — not our paraphrase. How we source and re-check every row is documented in the data methodology.

Maximum late fee in Rhode Island — written B2B contracts

Hard cap 21% (or prime+9%).

Cap = greater of 21% or prime +9 pts, and it DOES apply to ordinary B2B (no business exemption). Only a commercial loan over $1,000,000 with a CPA analysis escapes.

Basis: R.I. Gen. Laws § 6-26-2. Compare all 51 jurisdictions on the full state table and the cap-regime map.

B2B invoices only — not rent, not consumer debt

Everything on this page is about business-to-business invoices. Residential rent late fees live in Rhode Island's landlord-tenant law and consumer credit has separate, stricter rules — two different bodies of law. The distinction is explained in B2B invoice late fees vs. residential rent.

Use this data

Rhode Island's row — rate, cap, citation, verbatim quote, verification date — is part of our open 51-jurisdiction dataset: CSV · JSON (CC BY 4.0, cite myinvoicetemplate.com). Set late-fee terms on your next invoice with the free invoice generator, or state them clearly using the wording guidance in the payment terms guide.

Rhode Island late fee FAQ

Can I charge late fees on overdue invoices in Rhode Island?

Yes — on business-to-business invoices. If your contract or invoice states a late-fee rate, that rate governs (subject to the cap rules below). If nothing was agreed: 12%. Statutory legal rate when no rate is agreed. Statute: R.I. Gen. Laws §§ 6-26-1, 6-26-2, verified 2026-08-19. Consumer and rent debts follow separate laws.

What is the maximum late fee I can charge in Rhode Island?

For a written B2B contract: Greater of 21% or the domestic prime rate +9 pts — and this cap applies to ordinary B2B deals too (no business exemption). Basis: R.I. Gen. Laws § 6-26-2. The full cap analysis is in the section above; this covers business-to-business deals only — consumer credit has stricter separate caps.

What interest applies if my contract doesn't mention late fees in Rhode Island?

The statutory default rate of 12%. Statutory legal rate when no rate is agreed. Statute: R.I. Gen. Laws §§ 6-26-1, 6-26-2 (verbatim quote on this page, verified 2026-08-19).

Does this cover rent, apartment, or consumer late fees in Rhode Island?

No. This page covers business-to-business invoices only. Residential rent late fees are governed by Rhode Island's landlord-tenant law, and consumer credit for personal, family, or household purposes has its own stricter caps and disclosure rules. Those are different statutes than the commercial-interest law cited here.

Where does this data come from, and when was it verified?

Every figure on this page comes from our 51-jurisdiction dataset: each row researched against the controlling statute or the state's official current-rate page, independently re-checked, and stamped with its own verification date — Rhode Island's row was last verified 2026-08-19. The operative legal text is quoted verbatim on this page with a link to the official source, the methodology is public, every verification pass is logged in the changelog, and the full dataset is downloadable (CC BY 4.0).

Not legal advice. This page summarizes Rhode Island's commercial-interest statute for general information, with the verification date shown above — it tells you when we last confirmed the figures, not that they are still current today. Statutes change and courts interpret them; verify the cited statute at the official source, or ask a licensed attorney in your state, before charging or demanding interest.