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Personal Loan Calculator – Payments

Quick answer

Personal loan payment = P·r(1+r)^n/((1+r)^n−1).

  • A 40,000 loan at 11% for 5 years costs ≈870/month and ≈12,200 total interest.

Figures are estimates from this calculator’s standard formula — adjust the inputs in the tool below for your exact number.

How Does the Personal Loan Calculator Work?

Payment = P × r(1+r)^n / ((1+r)^n − 1)

Personal loans are unsecured amortizing credit: one fixed payment per month until the balance is zero. The calculator applies the annuity formula with P as the amount borrowed, r the monthly rate (APR ÷ 12) and n the number of payments. Example: 40,000 borrowed at 11% APR for 5 years gives r = 0.0091667 and n = 60, so the payment is 40,000 × 0.0091667 × (1.0091667)^60 ÷ ((1.0091667)^60 − 1) ≈ 870 per month, totaling 52,200 — that is 12,200 of interest on top of the principal. Shortening to 3 years raises the payment to about 1,309 but cuts interest to roughly 7,100, saving over 5,000. Remember the APR already bundles most fees; if an origination fee of 3% is deducted from proceeds, you receive 38,800 but repay on the full 40,000.

  1. 1

    Step 1

    Enter the loan amount and the quoted APR (personal loans commonly run 6–36%).

  2. 2

    Step 2

    Enter the term in years — 2 to 7 years is typical.

  3. 3

    Step 3

    Read the monthly payment and the total interest over the term.

  4. 4

    Step 4

    Try shorter terms to see the interest savings versus payment strain.

Use Cases

Debt consolidation quote check

Verifying a lender’s quoted payment and total cost yourself

Big purchase financing

Comparing a personal loan against dealer or card financing

Wedding and event funding

Planning level repayments over a set horizon

Credit check before applying

Testing whether the payment fits your budget before the hard inquiry

Common Mistakes

  • Fixating on the monthly only

  • Ignoring the origination fee

  • Missing prepayment penalties

FAQs

What is the monthly payment on a 40,000 personal loan at 11% for 5 years?

About 870 per month using P × r(1+r)^n/((1+r)^n−1) with r = 0.0091667 and n = 60. Total interest comes to roughly 12,200.

What APR should I expect on a personal loan?

Typical ranges: 7–12% for excellent credit, 13–20% for good, and up to 36% for fair or thin credit. The rate matters less than the term: the same 40,000 at 11% costs 12,200 over 5 years but only about 7,100 over 3.

Do origination fees change my real cost?

Yes: a 3% fee on a 40,000 loan deducts 1,200 from what you receive while you repay based on 40,000 — pushing the effective APR above the quoted rate.

Is a shorter personal loan always better?

It saves interest if affordable: 3 years at 11% on 40,000 costs ≈1,309/month and ≈7,100 interest versus 870/month and ≈12,200 over 5 years — only choose it if the higher payment fits.

Can I pay a personal loan off early?

Usually yes — most loans allow free extra principal, which shortens the term. Check for prepayment penalties first; paying 100 extra per month on our example clears the loan about 9 months sooner.

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