Promissory Note Calculator & Generator

Calculate loan amortization schedules and generate an enforceable Promissory Note agreement. Supports interest-only, balloon, and amortized repayment schedules.

Loan Principal
Annual Interest Rate
Loan Term (Months)
Monthly Debt Service
$777.66
Total Interest Payable
$2,995.60
Total Repayment Amount
$27,995.60

Promissory Note Legal Parties

Formatted Promissory Note

PROMISSORY NOTE PRINCIPAL AMOUNT: $25,000 USD ANNUAL INTEREST RATE: 7.5% NOTE DATE: September 15, 2026 BORROWER: Jordan Lee (420 Park Ave, Apt 4B, New York, NY 10022) LENDER: Crestview Capital LLC (100 Financial Way, Wilmington, DE 19801) 1. PROMISE TO PAY FOR VALUE RECEIVED, the undersigned Borrower, Jordan Lee, promises to pay to the order of Lender, Crestview Capital LLC, the principal sum of $25,000 United States Dollars, together with interest on unpaid principal at the rate of 7.5% per annum until paid in full. 2. REPAYMENT TERMS The debt shall be repaid in 36 consecutive monthly installments of $777.66 USD each, commencing 30 days from the Note Date and continuing on the same calendar day of each subsequent month until the entire balance is paid in full. Total payments over the term equal $27995.60 USD, consisting of $25,000 USD in principal and $2995.60 USD in interest. 3. PREPAYMENT Borrower reserves the right to prepay this Note, in whole or in part, at any time without penalty or premium. Any partial prepayment shall be credited first toward accrued interest and then to unpaid principal. 4. LATE CHARGES AND GRACE PERIOD If any payment is not received by Lender within 10 calendar days of its due date, Borrower shall pay a late fee equal to 5% of the delinquent payment installment. 5. DEFAULT AND ACCELERATION The occurrence of any of the following shall constitute an Event of Default: (a) Failure by Borrower to pay any principal or interest payment when due; (b) The insolvency, bankruptcy, or assignment for the benefit of creditors by Borrower. Upon the occurrence of an Event of Default that remains uncured after fifteen (15) days' written notice from Lender, Lender may, at its option, declare the entire remaining principal balance and all accrued interest immediately due and payable. 6. ATTORNEYS' FEES AND COLLECTION COSTS In the event this Note is placed in the hands of an attorney for collection following an uncured default, Borrower agrees to pay all reasonable collection costs, court filing fees, and reasonable attorney's fees incurred by Lender. 7. GOVERNING LAW This Note shall be governed by, and construed in accordance with, the laws of the State of Delaware. IN WITNESS WHEREOF, Borrower has caused this Promissory Note to be executed as of the date first written above. BORROWER SIGNATURE: _____________________________________________ Name: Jordan Lee Date: September 15, 2026 LENDER ACKNOWLEDGMENT: _____________________________________________ Name: Crestview Capital LLC Date: September 15, 2026

Structuring Legally Binding Private Loans with a Promissory Note

When lending money to business partners, family members, or real estate ventures, an oral promise creates severe legal exposure and risks IRS imputed interest penalties under Section 7872. A Promissory Note calculator determines precise monthly amortizations and outputs an enforceable legal agreement with acceleration clauses, default interest, and payment schedules.

Key Features & Protections

Amortization & Interest Math

Calculates exact monthly debt service, cumulative principal, and total interest cost over the loan term.

Balloon & Interest-Only Options

Configure traditional fully-amortizing loans or interest-only notes with final balloon payoff.

Late Penalties & Default Rates

Specify allowable late fee grace periods and increased default interest rates upon non-payment.

Acceleration Clause

Enables the lender to demand the entire remaining principal immediately upon uncured borrower default.

Complete Amortization Table

Interactive breakdown of principal vs. interest for every payment period throughout the loan life.

Dual Party Signature Ready

Export the formatted legal instrument ready for borrower and lender execution.

Practical Use Cases

  • Private Business Loans

    Document startup founder debt financing, bridge loans, and shareholder cash injections.

  • Family & Peer Lending

    Prevent interpersonal tax disputes and meet IRS Applicable Federal Rate (AFR) thresholds.

  • Seller Financing Real Estate

    Structure second mortgages or seller carryback financing with explicit property lien provisions.

  • Peer-to-Peer Investment Notes

    Formalize high-yield private notes between accredited lenders and corporate borrowers.

Frequently Asked Questions

What is an acceleration clause in a promissory note?

An acceleration clause allows the lender to demand immediate repayment of the entire outstanding principal balance plus accrued interest if the borrower fails to make a required payment within the cure period.

What is the difference between a secured and unsecured promissory note?

An unsecured promissory note relies solely on the borrower's promise to pay and creditworthiness. A secured note is backed by specific collateral (such as real estate, machinery, or stock) which the lender can seize upon default.

What is the IRS Applicable Federal Rate (AFR)?

The AFR is the minimum interest rate the IRS requires private lenders to charge on family or private loans. If you charge less than the AFR, the IRS may treat the forgone interest as a taxable gift or imputed taxable income.

Can promissory notes be prepaid without penalty?

Standard notes generally allow borrowers to prepay principal early without penalty, which reduces total interest paid. Some commercial notes may specify prepayment penalties.

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