Loan Calculator
Estimate a realistic monthly payment before you compare lenders or adjust your budget.
Calculator
Loan Calculator
Enter the amount you plan to borrow.
Use the annual percentage rate before fees.
Most installment loans fall between 2 and 7 years.
Example values are loaded.
Result
Your result
A $25,000.00 loan over 5 years would cost about $489.15 per month.
Monthly payment
$489.15
Total interest
$4,349.22
Total paid
$29,349.22
Loan breakdown
Next steps
Compare before you move on
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What this calculator shows
This calculator uses a standard amortized payment formula, which means each payment covers interest first and then reduces principal.
It is useful for comparing term lengths and interest rates before you apply for a loan or refinance an existing one.
How to use it
- 1. Enter the amount you want to borrow.
- 2. Add the annual interest rate you expect to pay.
- 3. Choose the repayment term in years to compare the payment and total cost.
Formula and assumptions
Monthly payment = P x r x (1 + r)^n / ((1 + r)^n - 1), where P is the loan amount, r is the monthly rate, and n is the number of monthly payments.
If the interest rate is zero, the payment is simply the loan amount divided by the number of months.
How to read this result
Monthly payment answers the first question, but total interest answers the more expensive one. A manageable payment can still hide a weak borrowing decision if the term is too long.
Use this result to compare rate-versus-term tradeoffs before you compare lenders. Small rate changes matter, but long terms often do more damage to total cost.
If the payment fits but the interest does not, the next move is usually affordability, DTI, or extra-payment math rather than accepting the first quote at face value.
Common mistakes
Focusing on the payment and ignoring total interest. That is how long-term loans feel affordable while still costing too much.
Forgetting that taxes, insurance, origination fees, and add-ons are outside this clean amortized estimate.
Using the calculator once and stopping there. A good loan decision usually needs at least one follow-up comparison on payoff speed, debt ratio, or budget fit.
Notes
This estimate does not include origination fees, taxes, insurance, or late-payment charges.
Worked example
A $25,000 loan at 6.5% over 5 years gives you a realistic baseline for a vehicle or major purchase loan.
This example uses the default sample inputs loaded on reset. It does not update with the live calculator entries above.
Monthly payment
$489.15
Total interest
$4,349.22
Total paid
$29,349.22
Feedback
Found a problem on this page?
Report confusing fields, broken math, or missing assumptions with the exact inputs you used so the issue can be reproduced.
FAQ
FAQ
Does this calculator use simple interest or amortization?
It uses a standard amortized payment formula, which is how most installment loans are repaid month by month.
FAQ
Why does a longer term lower the payment but raise total interest?
A longer term spreads the balance over more months, but interest has more time to accumulate, so the total paid increases.