Base scenario
Use your current numbers to establish a realistic loan comparison baseline.
This gives you a reference point for every change you test next.
Loan Comparison Calculator
Compare different loan offers to find the best option based on payments and total costs.
Financial Calculator
Free financial calculator to help you make informed decisions about your money.
Your Results
Enter your information above to see personalized calculations.
Calculated Result
Monthly Amount
Total Cost
Detailed Breakdown
How to use this calculator: Enter your financial information in the fields above. Results update automatically as you type. All calculations are performed locally in your browser - we never store or share your personal financial data.
⚠️
⚠️ For Planning Purposes Only
These calculations are estimates for educational and planning purposes. Always consult with qualified financial professionals before making financial decisions.
How the Math Works
- The calculator converts your inputs into monthly and annual totals, then applies category-specific formulas for Loan Comparison.
- Intermediate values are rounded for display, but calculations preserve precision until final totals are shown.
- Scenario outputs compare baseline values against changed inputs so you can estimate tradeoffs quickly.
Assumptions
- Inputs are treated as stable over the time period you select.
- Rates and costs are assumed to remain constant unless you model a change manually.
- Results are planning estimates, not a lender quote, tax filing output, or legal advice.
Worked Examples
Conservative scenario
Increase key costs by 10% and reduce expected upside by 10%.
If the result still works, your plan likely has a practical safety margin.
Optimized scenario
Adjust one or two controllable levers (rate, payment, timeline, or contribution).
Compare whether the gain is meaningful enough to justify the extra effort.
When This Estimate Breaks
- Your actual numbers can differ when taxes, fees, policy rules, or market pricing change.
- Large life changes (income shifts, relocation, new debt, job changes) can invalidate assumptions quickly.
- Use this estimate with real quotes/statements before making a final financial decision.
Methodology and Editorial Review
- The model computes a baseline from your entered inputs, then recalculates results for each scenario change.
- Displayed values are rounded for readability while internal calculations keep precision until output formatting.
- Editorial review validates formula consistency, assumptions, and user-facing interpretation text.
Author: Affordably Editorial Team
Financial review: Affordably Financial Review Team
Sources and Last Updated
- Consumer Financial Protection Bureau
- Federal Reserve Economic Data (FRED)
- IRS (Tax Topics and Instructions)
Last updated: February 20, 2026
Related Resources
Explore this topical cluster: Personal Finance Planning
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How Loan Comparison Calculator Works
Compare multiple loan offers side-by-side to find the best deal based on rate, term, fees, and total cost. Even small rate differences can mean thousands over the loan life.
1
Enter Loan Offers
Input details for 2-4 loan options including loan amount, interest rate, term, and all fees (origination, points, closing costs).
2
Calculate Monthly Payments
See the monthly payment for each loan option. Remember: lower payment doesn't always mean better deal.
3
Compare Total Interest
Calculate total interest paid over the life of each loan. This often reveals the true winner.
4
Factor in All Fees
Include origination fees, points, closing costs, and any other charges. These affect the true cost significantly.
5
Calculate True APR
APR includes fees in the rate calculation. Compare APRs for the most accurate comparison.
6
Choose Best Option
Select the loan with the lowest total cost that fits your budget and timeline. Consider how long you'll keep the loan.
Key Factors Considered:
- ✓Interest rate differences
- ✓Loan term (longer = lower payment but more interest)
- ✓Origination fees and points
- ✓Closing costs
- ✓APR (includes fees)
- ✓Prepayment penalties
- ✓How long you'll keep the loan
- ✓Monthly payment affordability
Find the Best Loan Deal
- Compare potential savings across loan options
- Compare apples-to-apples across lenders
- Understand impact of fees on total cost
- Avoid being fooled by low rates with high fees
- Make data-driven borrowing decisions
- Negotiate better with competing offers
- See through marketing to find true cost
- Choose between rate vs term trade-offs
Key Terms to Know
- APR (Annual Percentage Rate)
- Interest rate INCLUDING fees, expressed annually. True cost of borrowing. Always compare APR, not just interest rate. Higher than interest rate due to fees.
- Discount Points
- Prepaid interest to buy down rate (1 point = 1% of loan amount = ~0.25% rate reduction). Makes sense if keeping loan 5+ years.
- Origination Fee
- Lender fee for processing loan, typically 0.5-1% of loan amount. Negotiable. Increases APR and total cost.
- Prepayment Penalty
- Fee for paying off loan early. Increasingly rare but still exists on some loans. Avoid if you might refinance or sell.
- Break-Even Point
- Time for savings from lower rate to exceed costs of fees/points. If you'll sell before break-even, skip the points.
Pro Tips
- →Compare APR, not just interest rate - APR includes fees
- →Get Loan Estimates from at least 3-5 lenders
- →Rate shop within 14-45 days - multiple inquiries count as one
- →Points make sense only if keeping loan past break-even point
- →Lower payment doesn't mean better deal - check total cost
- →0.25% rate difference = ~$3,500 over life of $300k loan
- →Ask for closing cost breakdown - fees are negotiable
- →Consider your timeline: shorter term saves money if affordable
- →Watch for junk fees: "administrative fee," "processing fee"
- →Get everything in writing - verbal quotes mean nothing
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How These Results Are Calculated
Each calculator uses standard financial formulas and explicit assumptions to generate educational estimates. Results are based on your inputs and may vary based on rates, taxes, fees, and local market conditions.
- Public data sources include the IRS, BLS, Census, Federal Reserve, and state agencies.
- Calculators are reviewed periodically to reflect market and tax-rule changes.
- These results do not replace personalized professional advice.
GA
Reviewed by the Founder of GetAffordably
This content was created with AI assistance and reviewed by the founder of GetAffordably. Financial data is sourced from the U.S. Census Bureau, Federal Reserve, IRS, and other public records, and is verified periodically.
Last updated: May 2026