Loan Calculator
Calculate monthly payments and total interest for any loan or mortgage
About this calculator
The Loan Calculator tells you exactly how much you'll pay each month and in total for any loan. Understanding your monthly payment and total interest helps you compare loan offers and plan your budget before signing. Enter your loan amount, interest rate, and repayment term to see a complete payment breakdown.
How to use the Loan Calculator calculator
- Enter your amounts, rates and terms into the input fields.
- Read the result — it updates instantly as you type.
- Adjust the inputs to compare scenarios side by side.
- Copy the page URL to share the exact calculation.
Common examples
- $20,000 car loan at 6% for 5 years → $386.66/month, total paid $23,199.60, interest $3,199.60
- $250,000 mortgage at 7% for 30 years → $1,663.26/month, total interest $348,773.60
- $5,000 personal loan at 12% for 2 years → $235.37/month, total interest $651.88
- $15,000 at 8% for 3 years → $470.04/month, total paid $16,921.44, interest $1,921.44
- $100,000 business loan at 5% for 10 years → $1,060.66/month, total interest $27,279.20
Frequently asked questions
How does the Loan Calculator calculator work?
Enter your amounts, rates and terms, and the calculator applies the standard financial formulas to show the outcome, including intermediate figures where they help you understand the result. All arithmetic runs at high precision, so rounding errors do not build up across periods.
When would I use the Loan Calculator calculator?
Use it when planning a purchase, loan, investment or budget, to compare options before committing, or to sanity-check figures quoted to you. It is an educational tool, not financial advice — confirm important decisions with your provider or a professional.
How accurate are the results?
The formulas are the standard ones used in finance and run at 30 significant digits internally. Real products may differ in fees, compounding conventions and rounding rules, so treat the result as a close estimate rather than a contractual figure.
Can I share a specific calculation with someone else?
Yes. Every value you enter updates the URL, so copying the address bar and sharing the link reopens the exact same calculation for whoever clicks it.