FinToolSuite

Bad Credit Loan Calculator

Updated April 17, 2026 · Debt · Educational use only ·

What high-rate borrowing actually costs.

Calculate true cost of a bad credit loan including fees. See monthly payment, total interest, and effective APR. Free and educational.

What this tool does

This tool calculates the total cost of a subprime or bad-credit loan including origination fees. Enter loan amount, interest rate, term in months, and origination fee. The calculator shows monthly payment, total interest, total paid, and effective APR. The effective APR accounts for fees, often making the loan more expensive than the quoted rate suggests.


Enter Values

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Formula Used
Loan amount
Origination fee
Monthly rate
Term months

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Disclaimer

Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.

Bad credit loans (sometimes called subprime loans) carry interest rates of 25-50% and often include origination fees of 3-10%. For a 5,000 loan at 35% APR over 24 months with a 5% origination fee, monthly payments are around 294 and total cost is 7,066 - over 2,000 in interest and fees on a 5,000 loan.

This calculator shows the full cost: monthly payment, total interest, total paid, and effective APR including fees. The effective APR is often higher than the quoted rate because origination fees add to the principal and compound over the loan term.

For most borrowers with credit challenges, alternatives are cheaper: credit union personal loans (18-28% APR typical), secured borrowing against an asset, or debt management plans. Bad credit loans make sense only when no alternative exists and the loan solves a genuine financial problem rather than deferring it.

Quick example

With loan amount of 5,000 and interest rate of 35% (plus loan term of 24 and origination fee of 250), the result is 307.22. Change any figure and watch the output shift — it's often more useful to see the pattern than to memorise the formula.

Which inputs matter most

You enter Loan Amount (Received), Interest Rate (APR), Loan Term, and Origination Fee. Not every input has equal weight. Flip one at a time toward extreme values to feel which ones move the needle most for your situation.

What's happening under the hood

Standard amortisation with principal = loan + origination fee. Monthly payment = P × r / (1 - (1 + r)^-n). Effective APR = (total interest + fees) / loan amount / years. The formula is listed in full below. If the number looks off, you can retrace the calculation by hand — that's the point of showing the working.

Why payoff plans work

Debt feels overwhelming when it's an abstract total. Break it into a payoff date and a monthly figure and the problem becomes finite — you can see the finish line. That visibility is what this tool provides, and for many people it's the difference between dithering and acting.

What this doesn't capture

Real payoff journeys include missed payments, fee changes, balance transfers, and promotional rates that reset. The calculation assumes a steady plan; reality is rarely that clean. Use the figure as the best-case plan against which actual progress gets measured.

Example Scenario

£5,000 £ at 35%% over 24 months months with £250 £ fee = £$307.22/mo.

Inputs

Loan Amount (Received):5,000 £
Interest Rate (APR):35%
Loan Term:24 months
Origination Fee:250 £
Expected Result$307.22

This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.

Sources & Methodology

Methodology

Standard amortisation with principal = loan + origination fee. Monthly payment = P × r / (1 - (1 + r)^-n). Effective APR = (total interest + fees) / loan amount / years.

Frequently Asked Questions

Why is effective APR higher than the quoted rate?
Because origination fees add to the principal but aren't counted in the quoted rate. A 5,000 loan with 250 fee is really a 4,750 loan paid as if it were 5,250. The effective cost-of-money is higher than the sticker rate - often 3-10 percentage points more.
What are the alternatives?
Credit union loans (18-28% APR typical, often reasonable for applicants with mixed credit), personal loans through banks with existing relationships (lower rates for account holders), or family/friend loans (clear written terms, low or zero rate). All usually beat subprime commercial lenders.
When does a bad credit loan make sense?
When alternatives don't exist and the loan solves a critical, time-limited problem (medical emergency, essential car repair, overdue rent). Loans that fund lifestyle spending at these rates generally make the underlying financial problem worse, not better.
What's the usury limit?
The country caps payday loan interest and total cost at 0.8% per day and 100% total, which is stricter than most countries. For standard personal loans there's no rate cap, but the financial regulator regulation requires responsible lending checks. A 60%+ quoted APR should trigger careful examination of whether this is genuinely the best option.

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