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Personal Loan Calculator

Unsecured personal loan payments.

Personal loan

Monthly payment
$327.39
Total interest
$1,785.94

About the Personal Loan Calculator

MethodologyHome

A personal loan calculator computes the monthly payment, total interest, and total cost of an unsecured installment loan. Personal loans cover everything from debt consolidation and home repairs to weddings and medical bills — at rates that sit between credit cards (typically 18–25%+) and secured loans like mortgages (typically 6–8%). Whether a personal loan is the right tool depends on what you're financing and what alternatives are available.

What makes a personal loan unsecured

Unlike auto loans (secured by the car) or mortgages (secured by the home), personal loans are not collateralized — there's no asset the lender can seize if you stop paying. This means rates are higher than secured loans, the lender's risk is borne entirely on your creditworthiness, and approval is more dependent on credit score, income, and existing debt-to-income ratio.

Default consequences are still serious — missed payments hit your credit report, collection agencies pursue the debt, and lenders can sue for a court judgment leading to wage garnishment in many states. "Unsecured" doesn't mean consequence-free; it just means there's no specific asset on the line.

When a personal loan is the right tool

Debt consolidation: rolling 22% credit-card debt into a 9–12% personal loan can save thousands in interest if you're disciplined enough not to re-run up the cards. The math is favorable; the discipline is the hard part — many borrowers consolidate, then run the credit cards up again, doubling the original problem.

Large unexpected expenses: medical bills, urgent home repairs, or other situations where the alternative is high-rate credit-card debt. A personal loan at 12% beats a credit card at 24% by a wide margin if the spend is genuinely unavoidable.

Smaller home improvements that don't justify a HELOC's closing costs — particularly when you don't have meaningful home equity yet, or when you don't want to pledge the home as collateral.

When a personal loan is the wrong tool

Vacations, weddings, discretionary purchases that you'd otherwise just save for. Borrowing at 10–25% for fun is the consumer-finance equivalent of paying premium for impatience — the cost of the trip plus interest often dwarfs the value of having it sooner.

Day-to-day cash flow problems. Personal loans solve a one-time gap; if your monthly cash flow doesn't add up, debt makes the problem worse, not better. Address the budget gap directly before adding a fixed monthly loan payment to it.

Investment speculation. A few self-help and "finance influencer" frameworks suggest borrowing personally to invest in markets at higher expected returns. The expected math sometimes works; the realized math usually doesn't, because human behavior breaks down in drawdowns. Borrowing to invest concentrates risk in a way most household balance sheets can't tolerate.

Origination fees, prepayment, and the all-in cost

Many personal loans charge origination fees — typically 1–8% of the loan amount, taken out of the disbursement (so a $10,000 loan with a 5% origination fee actually deposits $9,500 in your account). The APR on the loan should reflect this fee, but compare APR-to-APR rather than rate-to-rate when shopping.

Prepayment policy matters too. The best personal loans allow prepayment without penalty; some legacy products charge prepayment penalties that can claw back savings if you pay off early. Always ask before signing.

Formula

M = P × r(1+r)^n / ((1+r)^n − 1)
  • M = Monthly payment
  • P = Loan principal (after origination fee deduction)
  • r = Monthly rate (APR / 12)
  • n = Term in months

Worked examples

$15,000 personal loan, 11% APR, 5-year term

Monthly payment ≈ $326. Total paid: $19,560. Total interest: $4,560. Compared to revolving the same amount on a 22% credit card with $400/month payments: ~7.5 years to pay off and ~$15,800 in interest.

Origination fee impact

$15,000 stated principal with 5% origination fee. Disbursement: $14,250. Payments calculated on the $15,000 you owe. Effective APR is higher than the stated rate — typically 1.5–2 points higher on shorter-term loans, less on long ones.

Debt consolidation math

$15,000 across three credit cards at 22% APR average, paying minimums (~$300/month total). Personal loan at 11% APR, 5-year term: $326/month, 60-month payoff, $4,560 in interest. Vs. revolving cards: ~12+ years and ~$24,000 in interest. Net savings: ~$19,000 over the lifetime of the debt.

Frequently asked questions

What credit score do I need for a personal loan?

Most lenders require 600+, with the best rates typically going to borrowers above 720. Below 600, options narrow significantly and rates often exceed 25%. Improving a score by 30–60 points before applying can save substantial money — paydown of credit-card balances is the fastest lever.

Are personal loans better than credit cards?

For carrying balances, almost always yes — personal-loan rates of 8–15% beat credit-card rates of 20–25% substantially. For one-time purchases that you'll pay off in full within the credit card's grace period, the credit card is free and rewards-earning. The personal loan wins specifically when you'd otherwise carry a balance.

How fast can I get a personal loan?

Many online lenders fund loans within 1–3 business days of approval. In-person bank loans can take 1–2 weeks. Co-signed loans typically take longer due to additional underwriting. For genuine emergencies, online lenders' speed is a real advantage; for non-urgent uses, the rate often matters more than the speed.

Do personal loans hurt my credit score?

There's a small initial dip from the hard credit pull (5–10 points, recovers within months). The new account temporarily lowers your average account age. Once you start making payments, on-time installment payments help your score; lowering credit-card balances (if used for consolidation) can substantially improve your score by reducing utilization.

Can I pay off a personal loan early?

On most modern personal loans, yes — without penalty. Older or some legacy products can have prepayment penalties. Always check the loan agreement before signing. For loans that allow it, paying extra principal early in the loan term saves significant interest.

What's the difference between a personal loan and a payday loan?

Personal loans have terms of 12–84 months and APRs of 6–36%. Payday loans have terms of 2–4 weeks and APRs that often exceed 300% (sometimes 600%+). They're fundamentally different products. Almost any alternative — personal loan, credit-card cash advance, even high-rate medical-credit lines — is cheaper than a payday loan. Avoid the latter except as a true last resort.

Concepts

Sources & methodology

  • Consumer Financial Protection Bureau — Personal loans guidancesource