Payment Plan Math in New Hampshire

2 min read

Published July 14, 2026 • By DocketMath Team

Under review

missing_or_unverified_packet

This page provides general legal information and calculation tools, not legal advice. DocketMath is not a law firm and does not provide legal representation, and using this site does not create an attorney-client relationship. Laws change and exceptions apply, so deadlines and amounts specific to your situation should be confirmed with a licensed attorney in your jurisdiction.

Payment Plan Math in New Hampshire

In New Hampshire, the maximum interest rate that may be charged on a payment plan or past-due balance is set by N.H. Rev. Stat. Ann. § 336:1. This statute establishes a fixed rate of 10% per annum on the unpaid principal, unless the parties have agreed in writing to a different rate. The law applies to any contract, account, or agreement that does not specify its own interest term. The official source provides the exact statutory language and any applicable exceptions. To determine the total amount owed under a given payment arrangement, the calculator below applies the verified rate to the specific principal and duration involved. Review the worked example, then use the tool to estimate your own obligation.

Governing authority

In New Hampshire, the payment plan math rule is set by N.H. Rev. Stat. Ann. § 336:1. The verified packet cites N.H. Rev. Stat. Ann. § 336:1 (https://www.gencourt.state.nh.us/rsa/html/III/336/336-1.htm).

New Hampshire payment plan math: the verified value is 10% under N.H. Rev. Stat. Ann. § 336:1. The verified packet cites N.H. Rev. Stat. Ann. § 336:1 (https://www.gencourt.state.nh.us/rsa/html/III/336/336-1.htm).

Estimate your own result: every situation has exceptions that can change the outcome. Use the payment plan math calculator to estimate your specific figure.

This page provides general legal information and calculation tools, not legal advice. DocketMath is not a law firm and does not provide legal representation, and using this site does not create an attorney-client relationship. Laws change and exceptions apply, so deadlines and amounts specific to your situation should be confirmed with a licensed attorney in your jurisdiction.