How to run interest in DocketMath for Delaware
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Published November 21, 2025 • Updated May 16, 2026 • By DocketMath Team
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US-DE interest rules
This source-backed guide covers US-DE interest authority (6 Del. C. § 2301(a)). It certifies only the quoted source-backed rules below; related interest categories remain outside this page unless they are expressly listed in the receipt.
6 Del. C. § 2301(a)
US-DE interest controlling authority under 6 Del. C. § 2301(a).
2301(a). Administration. (a) Any lender may charge and collect from a borrower interest at any rate agreed upon in writing not in excess of 5% over the Federal Reserve discount rate including any surcharge thereon. Where there is no expressed contract rate, the legal rate of interest shall be 5% over the Federal Reserve discount rate including any surcharge as of the time from which interest is due; provided, that where the time from which interest is due predates April 18, 1980, the legal rate shall remain as it was at su
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.
Sources
All sources are official primary law published by delcode.delaware.gov.
Corroboration method: government_primary_source_direct_fetch.