Loan Calculator
Calculate monthly payments, total interest, and total cost for fixed-rate loans.
Runs locally — nothing is uploaded
How to use
- 1
Enter the loan amount
Type the principal — the total amount you borrow before interest, such as a home price minus down payment or auto loan balance.
- 2
Set the annual interest rate
Enter the yearly interest rate as a percentage. Use the APR quoted by your lender for fixed-rate loans.
- 3
Choose the loan term
Enter how long you will repay the loan in years or months. Common mortgages are 15 or 30 years.
- 4
Review payment and total cost
See your estimated monthly payment, total amount paid over the life of the loan, and total interest charged.
Frequently Asked Questions
This calculator uses the standard amortization formula for fixed-rate loans. It spreads principal and interest evenly across equal monthly payments.
No. The monthly payment shown covers principal and interest only. Property taxes, homeowners insurance, PMI, and HOA fees are not included.
Yes. Enter any fixed-rate loan amount, APR, and term. The same formula applies to mortgages, auto loans, and personal loans.
At 0% interest, the monthly payment is simply the loan amount divided by the number of months — no interest is added.
Related tools
Percentage Calculator
Find percentages, percent of a number, and percentage increase or decrease between values.
Calculators
Tip Calculator
Calculate tip amount and split a restaurant bill evenly between any number of people.
Calculators
Discount Calculator
Calculate sale price after a percentage discount and see how much you save.
Calculators
BMI Calculator
Calculate your Body Mass Index from height and weight. Supports metric and imperial units.
Calculators