Which Loan Option Actually Costs You Less?
Which loan option costs you less?
Loan Finance Calculator
Compare Two Loan Offers — APR, Total Cost & Payoff Strategies
Results update in real time as you edit any field.
Results are estimates only and do not constitute financial, tax, or legal advice. Always consult a qualified professional before making financial decisions.
Related Calculators
VAT Calculator
What is the real price after VAT?
Cost of Living Comparison Calculator
Can you afford to move to a new city?
Percent Off Calculator
Is that sale actually worth it?
Electric vs Gas Car Calculator
Which is actually cheaper to own — EV or gas?
Rent vs. Buy Calculator
Is it cheaper to rent or buy?
Lease Calculator
Is leasing or buying better for you?
Get this result by email
We'll send you this summary so you can revisit it anytime — useful when making a final decision.
🔒 We'll only send your result. No spam, no noise.
When you're comparing financing offers — whether for a car, home improvement, personal loan, or any major purchase — the monthly payment is rarely the right metric to optimize. Two loans with the same monthly payment can have dramatically different total costs depending on the rate, term, and fees. The loan with the lower monthly payment is often the more expensive one. This calculator lets you compare two loan or financing scenarios side by side with complete transparency: monthly payment, total interest paid, total amount paid over the life of the loan, effective APR (including fees), and total cost difference between the two options. It's useful for any situation where you have competing offers: one lender vs another, a shorter term vs a longer term, a fixed vs a variable rate, or a promotional offer vs a standard offer. The most common mistake borrowers make is choosing based on monthly payment rather than total cost. A 72-month loan at 5% costs $3,200 more in interest than a 48-month loan at the same rate on a $30,000 principal — even though the monthly payment is $168 lower. This calculator makes the true cost of each option immediately visible, so you can make the choice that's right for your cash flow and your total wealth.
- →Comparing two loan offers from different lenders before committing
- →Evaluating a shorter vs longer loan term on the same amount
- →Understanding the true cost of a promotional 0% or deferred interest offer
- →Comparing a loan with fees vs a loan with a higher rate but no fees
- →Deciding between fixed-rate and variable-rate financing
- →Evaluating refinancing by comparing current vs proposed loan terms
Diana is financing a $22,000 kitchen renovation. Bank A offers 7.9% APR for 60 months ($444/month, $4,657 total interest). Bank B offers 6.4% APR for 72 months ($378/month, $5,196 total interest). Bank B's monthly payment is $66 lower — but it costs $539 more in interest and keeps her in debt 12 months longer. The calculator makes this instantly clear: she takes Bank A's offer.
Why does a longer loan term cost more total interest?
Interest accrues on the outstanding balance every period. A longer term means you carry a balance for more periods, paying interest longer. Even at the same rate, 72 months of interest payments substantially exceeds 48 months on the same principal.
What is the difference between APR and interest rate?
The interest rate is the base cost of borrowing expressed as a percentage. APR (Annual Percentage Rate) includes the interest rate plus fees (origination fees, points, etc.) expressed as an annualized rate. APR is the true cost of a loan and the correct metric for comparing different loan offers.
When is a longer loan term worth the extra interest cost?
A longer term can be worth it if: the lower monthly payment is necessary for cash flow, you can invest the difference at a return exceeding the loan rate, or the loan allows penalty-free prepayment (meaning you can pay it off faster when cash flow allows).
What is deferred interest and how does it differ from 0% APR?
True 0% APR means no interest accrues if you pay on time. Deferred interest (common in retail financing) means interest accrues from day one — but you're not charged it if you pay off the full balance before the promotional period ends. If you don't, all the accrued interest is charged retroactively. Deferred interest is a significant trap.