Personal Loan Calculator

Compare note rate with fee-adjusted borrowing cost and estimated APR.

Monthly payment

$425

Estimated APR 11.5%

Net proceeds$19,300

Financed principal$20,000

Total fees$700

Total interest$5,496

Total borrowing cost$6,196

APR is an estimate from payment cash flows. Lender disclosures control and may include different financed charges or timing.

Method

Payment uses fixed-rate amortization. Estimated APR solves for the monthly rate that equates net proceeds with scheduled payments, then annualizes it.

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Planning guide

Read the complete guide →

Understand this estimate before using it

Quick answer

What does the Personal Loan Calculator do?

Estimate payment, fees, net proceeds, borrowing cost, and APR. It amortizes the financed balance, accounts for origination fees and cash received, and reports payment, interest, total cost, and an estimated APR.

Formula and calculation method

It amortizes the financed balance, accounts for origination fees and cash received, and reports payment, interest, total cost, and an estimated APR.

The result is only as reliable as the inputs. Use current balances, rates, fees, dates, and documents; then change uncertain assumptions to see whether the conclusion remains stable.

How to interpret the result

Treat the output as a comparison or planning range, not a quote, approval, eligibility decision, tax return, or prediction. Review the breakdown—not only its headline number—and read every stated exclusion.

For current background, review CFPB consumer credit resources. Product documents and official program tools control when they differ from this educational model.

Worked scenario

Put the result in context

For a $20,000 balance, compare the same rate and fee assumptions across terms. A longer term may reduce the required payment while increasing interest and leaving a larger balance at any earlier comparison date.

This scenario illustrates the method; it is not a quote, forecast, recommendation, or substitute for entering your actual facts.

Before you calculate

Gather current information before changing the defaults. A result based on verified records is more useful than a precise answer built from guesses.

amount borrowed and the cash you actually receive

Check the date, unit, and source of this input before entering it.

interest rate and term

Check the date, unit, and source of this input before entering it.

origination fee and other fees

Check the date, unit, and source of this input before entering it.

whether fees are deducted or financed

Check the date, unit, and source of this input before entering it.

What the result can answer

It can show how the entered assumptions interact, provide a consistent comparison, and reveal whether changing one important input materially changes the estimate.

What the result cannot decide

It cannot confirm approval, eligibility, market pricing, future performance, legal or tax treatment, contract quality, or whether the choice fits every part of your finances.

A practical next-step workflow

01 · Verify
Compare the inputs with current statements, quotes, official rules, and product documents.
02 · Stress-test
Run a second case with a less favorable value for whether fees are deducted or financed.
03 · Confirm
Compare written offers on APR rather than interest rate, and check the cash you would actually receive before acting.

Frequently asked questions

What makes a refinance worthwhile?

A refinance may help when interest and payment savings exceed fees within the time you expect to keep the new loan.

Can the calculator reproduce a lender disclosure?

Not necessarily. Timing, fee treatment, day-count conventions, and product-specific rules can change disclosed figures.

What can make this estimate differ from an actual result?

Timing, rounding, rate changes, fees, taxes, eligibility rules, product conventions, and facts not requested by this focused calculator can all create differences.

Which inputs deserve a second scenario?

Retest any input that is quoted rather than fixed, depends on future behavior, or materially changes the result. Conservative and optimistic cases reveal more than false precision.

What should I verify before making a decision?

Verify current statements, disclosures, official rules, taxes, fees, cancellation or prepayment terms, and the consequences of a less favorable outcome.

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Prepared by Loan Lyze Editorial and reviewed under the Loan Lyze editorial framework on November 8, 2026. Educational estimate only. See our methodology, editorial policy, and corrections policy.

Personal Loan Calculator

Estimate personal loan cost

Method