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Personal Loan Calculator

Monthly payment, total interest, and true cost after an origination fee.

🔒 Runs entirely in your browser — nothing here is ever uploaded

Last reviewed 2026-08-29

About the Personal Loan Calculator

Calculates the monthly payment, total interest, and total cost of a fixed-rate personal loan — including how an origination fee, if your lender charges one, is typically deducted from what you actually receive rather than added on top of what you repay.

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How to use it
  1. Enter the Loan amount you're borrowing.
  2. Enter the APR your lender quoted.
  3. Enter the Term in months.
  4. Enter an Origination fee (%) if your lender charges one — leave it at 0 if not.
  5. Read the monthly payment, interest, fee, and total cost in the result panel.
Formula
Monthly payment = P × r × (1 + r)^n / ((1 + r)^n − 1), where P is the loan amount, r is the monthly rate (APR ÷ 12 ÷ 100), and n is the term in months. Total interest = (monthly payment × n) − P. Origination fee = loan amount × fee %. Most lenders deduct this from the funds they disburse rather than adding it to your balance — so the amount you actually receive is the loan amount minus the fee, while you still owe and repay the full loan amount plus interest. Total cost = (monthly payment × n) + origination fee.
Worked example

A $15,000 loan at 12% APR over 36 months with a 3% origination fee: a monthly payment of $498.21, $2,935.73 in total interest, a $450 origination fee (leaving $14,550 actually disbursed), and a total cost of $18,385.73.

Average personal loan APR by credit tier (Aug 2026)
Average personal loan APR by credit tier (Aug 2026)
Credit tierScore rangeTypical APR
Excellent720–85014.86%
Good690–71919.57%
Fair630–68923.86%
Poor/Bad300–62927.33%
Interpreting your result

Origination fees are commonly deducted from the loan proceeds before disbursement (so you receive less cash than the loan amount even though you owe and repay the full amount) — but exact handling varies by lender, so confirm it against your specific loan agreement rather than assuming. Most personal loans also don't carry a prepayment penalty, but a portion of lenders still include one, especially in the first year or two, so check your agreement before counting on paying it off early for free.

Recommendations
  • Shop multiple lenders — the same borrower profile can see APR quotes ranging from under 6% to well over 30% depending on the lender, since personal-loan pricing isn't standardized the way mortgage pricing is.
  • If a lender advertises a low rate but charges a high origination fee, compare the total cost this calculator shows rather than the APR alone — a lower headline rate with a large upfront fee can cost more than a higher rate with no fee.
  • A shorter term reduces total interest substantially even though it raises your fixed monthly payment — run this calculator at a couple of term lengths to see the trade-off directly before you commit.
Frequently asked questions
Most lenders deduct it from the amount disbursed to you, meaning you receive less cash than the loan amount while still owing and repaying the full loan amount plus interest — but this varies by lender, so confirm it in your loan agreement rather than assuming either way.
See the full methodology and sources for every finance calculator
Disclaimer

Illustrative estimate only, not financial or tax advice. Verify figures with a licensed adviser or your local tax authority.