Last updated: March 2026
Use this loan calculator to estimate monthly payments, compare interest rates, test loan terms, and understand the total cost of borrowing before committing to a loan.
The loan calculator on Calculators Today is designed to help you test real borrowing scenarios before you commit to a loan. You can adjust the loan amount, interest rate, and repayment term to see how each change affects your monthly payment and total interest. This makes it easier to compare options, estimate affordability, and understand the long-term cost of borrowing. Whether you are reviewing a personal loan, auto loan, or another type of financing, using the loan calculator can give you a clearer picture of what to expect before you apply, sign an agreement, or begin building a repayment strategy that fits your budget.
According to the Consumer Financial Protection Bureau, comparing loan offers and understanding interest costs can help borrowers avoid expensive financial mistakes.
How this page works
- Enter your loan amount, interest rate, and loan term.
- Review the estimated monthly payment, total interest, and payoff timeline.
- Adjust the numbers to compare different loan scenarios.
Loan Calculator
Enter your loan information to estimate your monthly payment, total interest, and payoff timeline.
Loan Calculator
Estimate your monthly payment, total interest, payoff timeline, and an amortization schedule. Optional extra payments included.
Estimates are for education. Your lender’s numbers can differ due to fees, compounding conventions, and timing.
Tip: run 3 scenarios to compare true affordability.
Popular Loan Guides
These guides explain how loan payments work, how interest affects borrowing costs, and how to reduce the total amount you pay over time.
- Understanding Loan Calculators: How They Work and Why They Matter
- How to Estimate Your Monthly Loan Payments
- How to Compare Loan Offers Like a Pro
- The Complete Guide to Loan Amortization
- How Interest Rates Impact Your Loan Over Time
- How Extra Payments Can Save You Thousands on Your Loan
- How to Pay Off a Loan Faster
- Common Loan Mistakes to Avoid
How to reduce your total loan cost
Small adjustments to your loan structure can significantly reduce how much interest you pay over time.
- Compare multiple lenders before committing to a loan.
- Choose a shorter loan term when possible.
- Make occasional extra payments toward principal.
- Avoid unnecessary loan fees when comparing offers.
Loan Spreadsheets & Planning Tools
Looking for more than a calculator? Use these downloadable spreadsheet tools to review loan costs, test payoff strategies, compare repayment paths, and evaluate smarter borrowing decisions more clearly.
Loan Payment System
A practical Excel spreadsheet that helps you calculate monthly payments, review amortization, test extra payments, and compare two loan options side by side.
- Loan Dashboard
- Payment Summary
- Extra Payment Strategy
- Loan Comparison Sheet
Advanced Loan Payoff System
A premium Excel spreadsheet built for deeper payoff planning, strategy comparison, payoff goal setting, and refinance scenario testing.
- Advanced Dashboard
- Strategy Comparison
- Payoff Goal Planner
- Refinance Test
Frequently Asked Questions
How accurate is this loan calculator?
The calculator uses standard amortization formulas to estimate payments and total interest.
What affects my monthly payment the most?
Loan amount, interest rate, and loan term have the biggest impact on your payment.
Can extra payments reduce loan interest?
Yes. Paying additional principal can reduce total interest and shorten the payoff timeline.
Try another calculator
Results are estimates for educational purposes only. Last updated: March 2026. Part of the Calculators Today Network.