Amortization schedule

Payment-by-payment loan schedule — principal and interest split per payment, running balance, and a CSV download.

Every payment split into interest and principal, with the running balance and a CSV of the full schedule.

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How to use

  1. Enter the loan amount, annual rate, and term.
  2. Generate the schedule.
  3. Review the table or download it as CSV.

What it supports

Fixed-rate loans, monthly payments, term 1–600 months; the table previews the first 24 payments and the CSV has all of them. Amounts up to 1e12 and rates 0–100 %. No fees, insurance, or extra payments.

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