Utah Late Fee Calculator

Work out interest on an overdue B2B invoice under Utah law. The legal default rate — what applies when the contract is silent — is 10%, and the statute is quoted verbatim below. All math runs locally in your browser.

10% legal default rate (contract silent)
Max written B2B rate
No cap — parties to a lawful contract may agree on any rate.
Cap regime
No statutory cap
Statute
Utah Code § 15-1-1
Verified
how we verify · changelog

Legal rate for contracts (including services and breach claims) unless the parties specify otherwise.

Pre-filled with Utah's statutory default (10%) — the rate that applies when no rate was agreed. If your contract states a different rate, enter that instead.

What Utah law actually says

(1) The parties to a lawful written, verbal, or implied contract may agree upon any rate of interest for the contract [...] (2) Unless the parties to a lawful written, verbal, or implied contract expressly specify a different rate of interest, the legal rate of interest for the contract [...] is 10% per annum.
— Utah Code § 15-1-1(1), (2). 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 Utah — written B2B contracts

No statutory cap

No usury ceiling: parties to a lawful contract may agree on any rate. The 10% figure is only a default when no rate is set.

Basis: Utah Code § 15-1-1(1). 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 Utah'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

Utah'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.

Utah late fee FAQ

Can I charge late fees on overdue invoices in Utah?

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: 10%. Legal rate for contracts (including services and breach claims) unless the parties specify otherwise. Statute: Utah Code § 15-1-1, verified 2026-08-19. Consumer and rent debts follow separate laws.

What is the maximum late fee I can charge in Utah?

For a written B2B contract: No cap — parties to a lawful contract may agree on any rate. Basis: Utah Code § 15-1-1(1). 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 Utah?

The statutory default rate of 10%. Legal rate for contracts (including services and breach claims) unless the parties specify otherwise. Statute: Utah Code § 15-1-1 (verbatim quote on this page, verified 2026-08-19).

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

No. This page covers business-to-business invoices only. Residential rent late fees are governed by Utah'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 — Utah'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).