APR Calculator

Calculate the true Annual Percentage Rate of any loan. See the real cost of borrowing when fees, points, and charges are included beyond the stated interest rate.

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Operated by Mustafa Bilgic
Independent individual operator
|Financial PlanningEducational only

Quick Answer

What is the difference between interest rate and APR?

The interest rate is the cost of borrowing the principal balance. APR includes the interest rate PLUS fees, points, and other charges expressed as an annual rate. APR is always equal to or higher than the interest rate. Use APR to compare loan offers.

Input Values

$

The principal amount borrowed.

%

The nominal interest rate on the loan.

Length of the loan in years.

$

Origination fees, points, closing costs, etc.

Each point = 1% of loan amount paid upfront to lower rate.

Results

True APR
6.75%
Monthly Payment$1,264.14
Total Interest$255,088.98
Total Upfront Fees$5,000.00
Total Cost of Loan
$260,088.98
APR vs. Rate Difference0.25%
Results update automatically as you change input values.

Related Strategy Guides

What Is APR and Why Does It Matter?

The Annual Percentage Rate (APR) is the true yearly cost of borrowing money, including both the interest rate and additional fees. While two loans may have the same interest rate, the one with higher fees has a higher APR and is more expensive overall. Federal law (Truth in Lending Act) requires lenders to disclose APR so borrowers can make apples-to-apples comparisons.

APR vs. Interest Rate
APR includes: Interest Rate + Origination Fees + Points + Other Charges, expressed as an annual rate
Where:
Interest Rate = The nominal rate charged on the outstanding balance
Fees = Origination fees, broker fees, closing costs
Points = Discount points paid upfront (1 point = 1% of loan amount)
APR Calculation Example
Given
Loan Amount
$200,000
Interest Rate
6.5%
Loan Term
30 years
Total Fees
$5,000
Calculation Steps
  1. 1Monthly payment (on $200,000 at 6.5%): $1,264.14
  2. 2Total interest over 30 years: $255,089
  3. 3Total fees: $5,000
  4. 4Effective amount received: $200,000 - $5,000 = $195,000
  5. 5True APR (accounting for fees on reduced proceeds): ~6.72%
  6. 6APR is 0.22% higher than the stated 6.5% rate
Result
A $200,000 mortgage at 6.5% with $5,000 in fees has a true APR of approximately 6.72%. Over 30 years, the total cost is $260,089 ($255,089 interest + $5,000 fees).

APR Comparison: Why Fees Matter

Two $200,000 Loans: Lower Rate with Fees vs. Higher Rate, No Fees
FeatureLoan ALoan B
Interest Rate6.25%6.75%
Fees$8,000$0
Monthly Payment$1,231$1,297
True APR6.48%6.75%
Total Interest (30 yr)$243,097$267,025
Total Cost (30 yr)$251,097$267,025
Break-Even Point121 months (10 yrs)-

In this example, Loan A has a lower rate but $8,000 in fees. Its true APR (6.48%) is still lower than Loan B (6.75%). Loan A saves $15,928 over 30 years. However, if you sell or refinance before 10 years, Loan B (no fees) is actually cheaper. The break-even point is key: how long must you keep the loan for the lower rate to offset the upfront fees.

What Fees Are Included in APR?

  • Origination fees (lender's processing charge)
  • Discount points (prepaid interest to lower the rate)
  • Mortgage broker fees
  • Closing costs charged by the lender
  • Mortgage insurance premiums (if required)
  • Not included: appraisal fees, title insurance, home inspection, recording fees
!
APR Is Not Perfect

APR assumes you keep the loan for the entire term. If you refinance, sell, or pay off early, the effective cost may be very different. For a loan you plan to keep for only 5 years, upfront fees have a much larger impact than the interest rate difference. Always calculate the total cost for your expected holding period.

Average APR Rates (2026)

Average APR by Loan Type (2026)
Loan TypeAverage APRRange
30-Year Fixed Mortgage6.8%6.25-7.50%
15-Year Fixed Mortgage6.1%5.50-6.75%
5/1 ARM6.3%5.75-7.00%
Auto Loan (New)7.5%5.00-12.00%
Auto Loan (Used)9.5%6.00-18.00%
Personal Loan12.4%6.00-36.00%
Credit Card22.0%15.00-29.99%

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Recommended Reading

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Frequently Asked Questions

The interest rate is the cost of borrowing the principal balance. APR includes the interest rate PLUS fees, points, and other charges expressed as an annual rate. APR is always equal to or higher than the interest rate. Use APR to compare loan offers.

Sources & References

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