Loan Calculator
Estimate monthly payments, total interest, and total cost for a fixed-rate loan.
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About this tool
About Loan Calculator
Loan Calculator is a free browser-based tool for estimating monthly payments, total interest, and total loan cost. Enter principal, annual rate, and term, then compare scenarios. The calculation is educational and should be checked against lender terms.
How to use Loan Calculator
1
Enter loan details
Input principal, annual rate, and term.
2
Choose term unit
Select years or months.
3
Calculate
View payment, interest, and total cost information.
4
Compare results
Record the estimate and test another scenario.
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Key features
Payment Estimate
See a regular payment estimate based on principal, rate, and term.
Interest Visibility
Understand estimated interest and total repayment cost.
Flexible Terms
Use terms expressed in months or years.
Private Calculations
Keep personal scenarios in the browser.
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Who Uses Our Loan Calculator?
Compare payment scenarios before making a borrowing decision
Auto loan planning
Estimate payments before comparing vehicle financing.
ExampleCompare shorter and longer terms.
Mortgage education
Explore how rate and term affect a basic estimate.
ExampleTest fixed-rate scenarios before lender discussions.
Personal loans
Review principal, interest, and term combinations.
ExampleEstimate a fixed-rate personal loan.
Scenario comparison
Compare possible terms and rates in one workspace.
ExampleRun three term options and record totals.
Financial education
Learn how principal, rate, and term affect repayment.
ExampleExplore the cost of extending a loan term.
Budget preparation
Create a payment estimate before building a monthly budget.
ExampleCheck whether a projected payment fits your plan.
Pro Tips for More Useful Loan Estimates
Check rates, terms, fees, and total repayment cost
Check the rate
Enter the annual rate exactly as quoted.
Ask about extra costs
Fees, insurance, taxes, and penalties may not be included.
Compare total cost
A lower monthly payment can cost more overall over a longer term.
Verify with the lender
Confirm the final offer and repayment schedule separately.
Keep a comparison table
Record payment, interest, term, and total cost for each scenario.
Check related percentages
Use the related Percentage Calculator when you need a separate rate calculation.
Percentage Calculator
