Loan Comparison Calculator
Last updated: July 2026
Compare monthly payment and total interest for two loans.
Comparison result
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- Loan A payment / interest: —
- Loan B payment / interest: —
On this page
Quick summary: Compare monthly payment and total interest for two loans. Enter the requested values, calculate, review the result, and compare more than one realistic scenario before making a decision.
Read the complete guide
What this calculator does
The Loan Comparison Calculator places two or more borrowing scenarios side by side so payment, total interest, and total repayment can be compared using consistent assumptions.
How to use the calculator step by step
Enter the principal, rate, and term for each loan option. Keep the borrowed amount and included fees consistent when you want a fair comparison.
How the calculation works
Each loan is evaluated using its own rate and repayment term. The comparison typically highlights payment size, total interest, and total paid over the full term.
Worked example and scenario testing
A shorter loan may have a higher monthly payment but lower total interest, while a longer loan may appear easier monthly yet cost more overall.
How to interpret your result
There is no single best loan based only on one figure. Affordability, total cost, flexibility, fees, and repayment risk all matter.
Accuracy, assumptions, and limitations
The calculator may not include closing costs, origination fees, variable-rate changes, prepayment penalties, taxes, insurance, or special lender terms.
Common mistakes to avoid
Do not compare loans with different borrowed amounts or exclude fees from one option while including them in another.
Privacy and browser-based calculations
Only generic loan figures are needed. Do not enter application IDs, bank information, or personal credit data.