Loan Calculator
Estimate monthly loan payments, lifetime interest, and full cost for fixed-rate financing: auto, personal, student-style simplifications, or mortgage principal-and-interest-only scenarios. Open the amortization schedule to see principal vs interest each month.
Payment Summary
Amortization Schedule
| # | Date | Payment | Principal | Interest | Balance |
|---|
How to use this loan payment calculator
Use it when you want quick answers to “what is my monthly payment,” “how much interest will I pay,” and “how does term length change the cost.” It suits level-payment loans where the rate stays fixed for the whole payoff window.
- Enter loan amount (principal borrowed).
- Enter annual interest rate as a percent (APR-style input for the nominal yearly rate).
- Select term in years or months.
- Optional start month labels rows in the amortization table.
Expand Show Full Schedule to audit principal vs interest period by period. Remember: real mortgages often add taxes, insurance, and HOA outside this principal-and-interest core.
Fixed amortization formula
Payments follow the standard amortizing loan identity: solve for the payment that zeros the balance after n periods at rate r per period. Early periods pay more interest; later ones chip away more principal when the rate is fixed.
Browser-side numbers
Inputs stay on your device while figures update. Clear the form when you finish if you share the machine.
Frequently Asked Questions
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