Loan Comparison Simulator (USA)

Compare multiple mortgage loans based on total cost, monthly payments, and long-term savings.

How to Compare Loans

Compare total costs of multiple loans using the formula:

\[\text{Total Cost} = (\text{Monthly Payment} \times \text{Number of Payments}) + \text{Closing Costs}\]

This helps identify the most cost-effective loan option over the full term.

  • Formula: Total Cost = (Monthly Payment × Number of Payments) + Closing Costs
  • Key Components: Loan Amount, Interest Rate, Term, Closing Costs
  • Comparison: Lowest Total Cost indicates best value

Compare Loan Options

Best Option

Loan #1

+0.0%

Lowest Total Cost

$450,000

+0.0%

Highest Total Cost

$480,000

+0.0%

Potential Savings

$30,000

+0.0%

Recommendation: Select Loan #1

Loan Comparison Results

Loan Principal Rate Term Monthly Payment Closing Costs Total Cost Savings vs Best

Potential Savings

$0
Choose the best loan option to see potential savings

Analysis & Recommendations

Based on your loan comparisons, Loan #1 offers the best value with $0 in total costs.

  • Review all loan terms carefully before making a decision
  • Consider your long-term financial goals
  • Factor in any prepayment penalties
  • Verify all closing costs details

Understanding Loan Comparison

Total Cost Formula

The total cost formula helps you understand the real cost of a loan over its entire term:

\[\text{Total Cost} = (\text{Monthly Payment} \times \text{Number of Payments}) + \text{Closing Costs}\]

This formula accounts for both the interest paid over time and upfront costs.

Key Comparison Factors
  • 1
    Interest Rate - affects monthly payment and total interest
  • 2
    Loan Term - shorter terms mean higher payments but less interest
  • 3
    Closing Costs - upfront fees that add to total cost
  • 4
    Points - optional upfront payments to reduce interest rate
Important Considerations
  • A lower rate might not always mean lower total cost if closing costs are higher
  • Consider your intended length of stay in the home
  • Some loans have prepayment penalties
  • APR provides a more complete picture of loan cost
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Always compare loans with the same term length for fair comparison
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Factor in points when comparing rates - they affect total cost
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Get quotes from multiple lenders to ensure competitive rates

Loan Comparison Quiz

Question 1: Basic Calculation

Loan A has a monthly payment of $1,500, a 30-year term, and $5,000 in closing costs. What is the total cost?

Solution

Step 1: Calculate number of payments = 30 years × 12 months = 360 payments

Step 2: Calculate total payments = $1,500 × 360 = $540,000

Step 3: Calculate total cost = $540,000 + $5,000 = $545,000

The correct answer is B: $545,000

Learning Objective

Apply the total cost formula to calculate loan expenses

Tip

Remember that total cost includes both payments over time and upfront closing costs

Question 2: Comparing Two Loans

Loan A: $300,000 at 4% for 30 years with $8,000 closing costs. Loan B: $300,000 at 3.75% for 30 years with $12,000 closing costs. Which loan has the lower total cost?

Solution

First, calculate monthly payments:

Loan A monthly payment ≈ $1,432.25

Loan B monthly payment ≈ $1,389.35

Then, calculate total costs:

Loan A: ($1,432.25 × 360) + $8,000 = $515,610 + $8,000 = $523,610

Loan B: ($1,389.35 × 360) + $12,000 = $499,166 + $12,000 = $511,166

Loan B has the lower total cost.

The correct answer is B: Loan B

Learning Objective

Compare loans with different rates and closing costs

Important Rule

Lower interest rates can sometimes be offset by higher closing costs, so always calculate total cost

Common Mistake

Only comparing interest rates without considering closing costs

Question 3: Term Impact

Which loan will have a lower total cost: a 30-year loan at 4% or a 15-year loan at 3.5% for the same principal amount?

Solution

Generally, a 15-year loan at a lower rate will have a lower total cost because:

  • Less time for interest to accumulate
  • Often comes with a lower interest rate
  • Though monthly payments are higher, total interest paid is significantly less

However, this assumes the same principal amount.

The correct answer is B: 15-year loan

Learning Objective

Understand how loan term affects total cost

Tip

Shorter terms usually result in lower total costs despite potentially higher monthly payments

Question 4: Points Impact

If you pay 1 point (1% of loan amount) to reduce your interest rate by 0.25%, how many years would you need to keep the loan to break even?

Solution

The break-even point depends on the loan amount and rate reduction:

For a $300,000 loan:

Cost of 1 point = $3,000

Monthly savings ≈ $45 (difference in payments)

Break-even = $3,000 ÷ $45 ≈ 67 months ≈ 5.5 years

This is typically in the 6-8 year range depending on specific numbers.

The correct answer is C: 6-8 years

Learning Objective

Calculate break-even point for paying points

Tip

Points are worth it if you plan to keep the loan longer than the break-even period

Question 5: Word Problem

Sarah is comparing two 30-year mortgages for $400,000. Loan A has a 4.5% rate and $3,000 closing costs. Loan B has a 4.25% rate and $8,000 closing costs. Which loan has the lower total cost and by how much?

Solution

Step 1: Calculate monthly payments

Loan A monthly payment ≈ $2,026.74

Loan B monthly payment ≈ $1,976.08

Step 2: Calculate total payments over 30 years (360 months)

Loan A: $2,026.74 × 360 = $729,626.40

Loan B: $1,976.08 × 360 = $711,388.80

Step 3: Calculate total costs

Loan A: $729,626.40 + $3,000 = $732,626.40

Loan B: $711,388.80 + $8,000 = $719,388.80

Loan B has the lower total cost by $732,626.40 - $719,388.80 = $13,237.60

Learning Objective

Apply the total cost formula to compare real-world loan options

Tip

Always calculate total cost rather than just comparing rates, especially when closing costs differ significantly

Q&A

Q: How do I know which loan is really the best deal?

A: The best loan depends on your specific situation:

Total Cost Focus: Generally, the loan with the lowest total cost over the full term is best. Use the formula: Total Cost = (Monthly Payment × Number of Payments) + Closing Costs

Time Horizon: If you plan to sell or refinance within a few years, a loan with higher closing costs but lower monthly payments might not be worth it.

Cash Flow: Consider your monthly budget. Sometimes a slightly higher total cost is acceptable if it provides better cash flow.

Additional Factors:

  • Prepayment Penalties: Check if there are penalties for paying early
  • Loan Type: Fixed vs adjustable rate considerations
  • Lender Reputation: Service quality and reliability
  • Flexibility: Portability options if moving

Always calculate the true cost using the total cost formula to make an informed decision.

Q: What's the difference between interest rate and APR?

A: The interest rate and APR serve different purposes:

Interest Rate: The percentage charged on the loan principal. This determines your monthly payment calculation.

APR (Annual Percentage Rate): Includes the interest rate plus other costs like points, origination fees, and some closing costs. It represents the true annual cost of the loan.

Key Differences:

  • Purpose: Interest rate affects monthly payment; APR reflects total cost
  • Comparison: APR is better for comparing loans from different lenders
  • Calculation: Interest rate is used in payment formulas; APR is for cost comparison
  • Regulation: Lenders must disclose APR by law

Practical Application:

When comparing loans, look at both the interest rate (for monthly payment) and APR (for total cost). The loan with the lowest APR is often the most cost-effective over time.

Q: Should I pay points to lower my interest rate?

A: Whether to pay points depends on your plans and financial situation:

What Are Points: Each point costs 1% of the loan amount and typically reduces your rate by 0.25%.

Break-Even Calculation: Divide the cost of points by the monthly payment savings to find the break-even period.

When Points Make Sense:

  • Long-Term Ownership: Planning to keep the loan 7+ years
  • Large Loan Amount: Greater savings from rate reduction
  • Tax Benefits: Points may be deductible in the year paid
  • Stable Income: Ability to afford upfront costs

When to Skip Points:

  • Short-Term Plans: Selling or refinancing soon
  • Cash Constraints: Need to conserve upfront funds
  • Adjustable Rate: Rate may change anyway
  • Investment Alternatives: Better ROI elsewhere

Always calculate the break-even point and compare to your expected loan duration.

About

Real Estate Team
This calculator was created by our Real Estate Team , may make errors. Consider checking important information. Updated: April 2026.