🧰 Lanren Toolkit

🏠 Loan Calculator

Enter the loan amount, annual interest rate and term to instantly calculate your monthly payment, total payment and total interest.

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📖 How to Use

  1. Pick a loan type from the dropdown — mortgage, auto, personal, student, or business. Each preset fills in a typical interest rate and term for that type (with a short note below), or choose "Custom" to enter your own numbers.
  2. Enter the loan amount, e.g. 1,000,000.
  3. Enter the annual interest rate (%) and loan term (years) — adjust these to match your actual loan offer.
  4. The result updates automatically as you change any field — the "Calculate" button is just there for convenience on mobile.
  5. Read the result: the large number is your fixed monthly payment. The table below shows the total amount paid over the full term and the total interest (total payment minus principal).
Note: This calculator uses standard fixed-payment amortization (equal monthly installments) — your monthly payment stays the same throughout, but the interest portion decreases and the principal portion increases over time. This differs from equal-principal repayment plans (where the payment itself shrinks each month). Always confirm the actual rate and repayment method with your lender.
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