Personal Loan Calculator

A personal loan calculator estimates your monthly payment, total interest, and total repayment based on loan amount, APR, and term. It helps you compare offers, test extra payments, and see the true cost of borrowing before you sign a personal loan agreement.

A personal loan calculator estimates what you will pay on a fixed-rate installment loan. The core inputs are usually the loan amount, annual percentage rate, and repayment term. From those numbers, the calculator projects the monthly payment needed to fully repay the balance over the chosen schedule. Many borrowers also need a fuller view of cost, so this page includes origination fees and optional extra monthly payments. That makes it easier to estimate not only the scheduled payment, but also the total amount repaid and how long payoff may take if you pay ahead.

This matters because personal loans are often used for debt consolidation, medical bills, home repairs, moving costs, and other large expenses where cash flow matters immediately. A lender may advertise a borrowing amount that looks manageable, but small changes in rate or term can materially change the monthly obligation and the total interest charged. A personal loan calculator helps you evaluate those trade-offs before applying, so you can tell whether a shorter term is worth the higher payment or whether a lower payment comes with too much added interest.

In real-world use, borrowers rely on a personal loan calculator when comparing lender offers, estimating the savings from debt consolidation, and deciding whether to make extra payments after origination. It is also useful for budgeting because the monthly payment must fit alongside rent, utilities, and other recurring bills. The calculator does not replace lender disclosures, credit review, or underwriting, but it gives a fast and practical estimate of borrowing cost so you can make a clearer decision with realistic numbers.

1. Enter the amount you plan to borrow before any lender fees are deducted.
2. Input the loan APR shown in the offer so the calculation reflects the proposed borrowing cost.
3. Choose the repayment term in months, such as 24, 36, 48, or 60.
4. Add any origination fee if the lender withholds part of the loan proceeds at funding.
5. Enter an optional extra monthly payment if you expect to pay above the required amount.
6. Click Calculate to see monthly payment, payoff time, total interest, total repayment, and net funds received.

M = P x [r(1+r)^n] / [(1+r)^n - 1]

• M: required monthly loan payment.
• P: original principal borrowed.
• r: monthly interest rate, equal to APR divided by 12.
• n: total number of monthly payments.

Monthly Payment

This is the standard scheduled payment required to amortize the loan over the selected term. It is the first number most borrowers use to judge affordability.

Total Interest

This shows the borrowing cost charged by the lender over the full repayment period. It helps you compare a low monthly payment against the long-term cost of extending the term.

Total Cost Including Fee

This combines total repayment with any origination fee entered into the tool. It is useful because some personal loans deliver less cash than the headline loan amount.

Net Funds Received

This is the estimated amount you actually receive after subtracting the origination fee. It matters when you need a specific cash amount for a bill or project.

Estimated Payoff Time

If you add extra monthly payments, this shows how quickly the balance could be eliminated. Faster payoff usually means lower interest expense.

Assume you borrow $15,000 at 11.5% APR for 48 months with a $500 origination fee and no extra monthly payment. These are common inputs for a mid-sized unsecured personal loan used for debt consolidation or an emergency expense.

First, apply the amortization formula using a monthly interest rate of 11.5% divided by 12 and 48 total payments. That produces a monthly payment of about $392. Next, multiply the payment by 48 to estimate total repayment of roughly $18,829. Subtract the original $15,000 principal to get about $3,829 in total interest.

Final result: the full cost is about $19,329 once the $500 fee is included, while net funds received are about $14,500. The outcome shows why borrowers should review both payment size and net proceeds. A loan can look manageable month to month while still delivering less cash and costing materially more than expected.