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🤝 Personal Loan Calculator

This personal loan calculator computes the fixed monthly payment on an unsecured installment loan and shows the effect of an origination fee: the fee amount, the cash actually received after the fee is deducted, and the total interest paid over the term. Because payments are calculated on the full loan amount while the borrower receives less, an origination fee raises the true cost of borrowing above the stated interest rate.

최종 검토일: 2026-07-07

입력 정보

KRW
%
months
%

결과

Monthly payment₩327.39
Amount received after fee₩10,000
Origination fee amount₩0
Total amount paid₩11,786
Total interest paid₩1,786

Understanding your personal loan results

The gap between the stated rate and the true cost of the loan comes from fees. These reference points help read the results.

ItemWhat it means
Stated interest rateThe rate used to compute the payment on the full loan amount
Origination fee 1–10%Typical published range; deducted from the disbursement up front
APRAnnualized cost including the fee — always ≥ the stated rate when a fee applies
Amount receivedThe cash in hand; the debt remains the full loan amount
  • The model assumes a fixed rate, equal monthly payments and no prepayment. Late fees, optional insurance and variable-rate products are excluded.
  • Rates and fees vary widely by lender, credit profile and jurisdiction; the APR on the lender's Truth in Lending disclosure is the comparable figure across offers.
  • Consolidating higher-rate debt into a personal loan changes total cost only if the new APR (including fees) is lower and the term is not stretched excessively; a licensed adviser can evaluate a specific case.

What is a personal loan?

A personal loan is an installment loan, usually unsecured, repaid in fixed monthly payments over a set term — commonly 12 to 84 months. Because there is no collateral, rates depend heavily on credit score and income, and they are typically higher than secured loans such as mortgages or auto loans but lower than credit card APRs. Common uses include debt consolidation, medical bills and large one-off purchases.

Many personal loans charge an origination fee, typically ranging from about 1% to 10% of the loan amount depending on the lender and credit profile. The fee is usually deducted from the disbursed funds: a $10,000 loan with a 3% fee delivers $9,700 in cash, while interest and payments are calculated on the full $10,000. The Consumer Financial Protection Bureau notes that this is why the APR — which folds the fee into the annualized cost — exceeds the stated interest rate on loans with origination fees.

This calculator makes the fee effect explicit by showing the fee amount and the net cash received alongside the payment and total interest. Borrowers who need a specific amount in hand should gross up the requested loan so the post-fee disbursement covers the need.

How to use this personal loan calculator

  1. Enter the loan amount you plan to borrow (the face amount on which payments are calculated).
  2. Enter the annual interest rate quoted by the lender.
  3. Enter the term in months; personal loans commonly run 12–84 months.
  4. Enter the origination fee as a percentage; set it to zero if the lender charges none.
  5. Read the monthly payment, the cash you would actually receive after the fee, the fee amount, and the total paid and total interest over the term.

The personal loan formula

M = P · [r(1 + r)^n] / [(1 + r)^n − 1]
Origination fee = P × fee %
Amount received = P − origination fee
Total interest = M · n − P

The payment uses the standard amortization formula on the full loan amount P; the origination fee is P times the fee percentage and is subtracted from the disbursement, not from the debt.

Worked example: $10,000 at 11% over 36 months gives a monthly rate of 0.11 ÷ 12 ≈ 0.009167 and a payment of about $327.39 — about $11,786 paid in total, of which roughly $1,786 is interest. With a 3% origination fee, the fee is $300 and the borrower receives $9,700, yet still repays the full $10,000 plus interest, which is why the effective APR exceeds 11%.

Common mistakes

  • Comparing loans by stated interest rate instead of APR, which hides origination fees.
  • Borrowing exactly the amount needed in cash and forgetting the fee is deducted — the disbursement falls short.
  • Stretching the term to lower the payment without noticing the higher total interest.
  • Assuming the advertised lowest rate applies; approved rates depend on credit profile.
  • Using a consolidation loan and then re-accumulating balances on the cleared credit cards.

자주 묻는 질문

How does an origination fee affect a personal loan?

An origination fee, typically 1–10% of the loan amount, is deducted from the money disbursed while interest and payments are calculated on the full amount. On a $10,000 loan with a 3% fee, the borrower receives $9,700 but repays $10,000 plus interest. This is why the APR on a loan with an origination fee is always higher than the stated interest rate, and why APR is the correct basis for comparing offers.

How is a personal loan payment calculated?

Personal loan payments use the standard amortization formula M = P·[r(1+r)^n]/[(1+r)^n−1], where P is the loan amount, r the monthly rate (annual rate ÷ 12) and n the number of monthly payments. For example, $10,000 at 11% over 36 months gives a payment of about $327 per month and roughly $1,786 of total interest.

What is the difference between interest rate and APR on a personal loan?

The interest rate determines the monthly payment on the amount borrowed. The APR (annual percentage rate), disclosed under the US Truth in Lending Act, additionally annualizes required upfront costs such as origination fees. A loan at 11% with a 3% origination fee has an APR meaningfully above 11%; a loan at 12% with no fee could be cheaper overall. Comparing APRs puts offers on an equal footing.

Is a shorter or longer personal loan term better?

A shorter term means higher monthly payments but less total interest, because the balance is outstanding for fewer months. A longer term lowers the payment but raises lifetime cost. For example, moving $10,000 at 11% from 36 to 60 months lowers the payment but adds substantially to total interest. The trade-off is between monthly affordability and total cost, and depends on individual cash flow.

Can I get the fee amount added to my loan instead of deducted?

Some lenders finance the fee by increasing the loan principal so the disbursement equals the requested amount; others always deduct it from the disbursement. Either way the borrower pays the fee with interest. If a specific cash amount is needed, dividing that amount by (1 − fee %) gives the loan size to request; for $9,700 in hand at a 3% fee, request $10,000.

참고 자료

  1. Consumer Financial Protection Bureau (CFPB). What is an origination fee on a personal loan? consumerfinance.gov.
  2. Consumer Financial Protection Bureau (CFPB). What is the difference between an interest rate and the APR? consumerfinance.gov.
  3. US Truth in Lending Act (Regulation Z) — APR disclosure requirements for consumer credit. 12 CFR Part 1026.
  4. Federal Reserve Board. Consumer credit — G.19 release (personal loan rates). federalreserve.gov.
  5. Brealey RA, Myers SC, Allen F. Principles of Corporate Finance (13th ed.). McGraw-Hill, 2020. Chapter 2: How to Calculate Present Values.

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