Free Tool

APR Calculator

Calculate the true annual percentage rate of any loan, including fees and closing costs. APR gives you the real cost of borrowing so you can compare offers accurately.

Loan Details

$
%
mos
$

Results

Enter your details and hit Calculate APR

What is APR and Why Does It Matter?

APR — Annual Percentage Rate — is the true annual cost of a loan expressed as a percentage. Unlike the nominal interest rate, which only covers interest charges, APR includes the interest rate plus all required fees and costs (origination fees, mortgage points, closing costs, etc.) spread over the loan term. This makes APR the standardized, legally required measure for comparing loan costs in the United States.

The difference between a nominal rate and APR can be significant. A mortgage advertised at 6.5% might have an APR of 6.85% after accounting for $4,000 in closing costs on a $200,000 loan. When comparing two loan offers, always compare APRs — a lower nominal rate with high fees can cost more than a slightly higher nominal rate with minimal fees.

Federal law (the Truth in Lending Act) requires lenders to disclose APR on all loan offers. This means you're entitled to this number — always ask for it and use it for comparison shopping before accepting any loan.

How APR is Calculated

APR is calculated by finding the interest rate that equates the loan proceeds (loan amount minus upfront fees) to the present value of all future monthly payments. In practice, this is solved iteratively:

APR = monthly rate × 12

Where the monthly rate is found by solving:

(Loan − Fees) = PMT × 1 − (1 + r)−nr
  • PMT — Monthly payment (based on nominal rate).
  • r — Monthly APR rate (what we solve for).
  • n — Number of monthly payments.
  • Loan − Fees — Net loan proceeds after deducting upfront fees.

The key insight is that fees effectively reduce the amount you receive but not the amount you repay. This means you're paying the same monthly payments on less money, which equates to a higher effective rate.

Example: Comparing Two Mortgage Offers

You're shopping for a $300,000 mortgage with a 30-year term and receive two offers:

Lender Nominal Rate Fees APR Monthly Payment
Lender A 6.75% $1,500 6.80% $1,946
Lender B 6.50% $8,000 6.79% $1,896

Lender A has a higher nominal rate but much lower fees, resulting in almost the same APR as Lender B. However, Lender B's lower monthly payment saves $50/month. The break-even point for Lender B's higher upfront fees is about 130 months (nearly 11 years). If you plan to stay in the home longer, Lender B wins. If you'll move or refinance sooner, Lender A is better despite the higher rate — the APR tells you this when you consider your time horizon.

For illustrative purposes only. Actual rates and fees vary by lender and market conditions.

Frequently Asked Questions

What is the difference between APR and interest rate?

The interest rate is the base cost of borrowing expressed as a percentage. APR includes the interest rate plus additional costs like origination fees, broker fees, mortgage points, and other lender charges, expressed as an annualized rate. APR is always equal to or higher than the interest rate (unless there are no fees at all). Use the interest rate to calculate your monthly payment; use APR to compare the total cost of different loan offers on an apples-to-apples basis.

What fees are included in APR?

For mortgages, APR typically includes: origination fees, mortgage broker fees, mortgage points (discount points), private mortgage insurance (PMI) if required, and certain closing costs. It does NOT include: title insurance, appraisal fees, home inspection fees, recording fees, or prepaid items like homeowner's insurance and property tax escrow. For personal loans, APR typically includes all upfront origination or processing fees. Always ask lenders exactly what fees are included in their stated APR for an accurate comparison.

Is a lower APR always better?

Not always — it depends on how long you hold the loan. APR assumes you keep the loan for its full term. If you refinance, sell the home, or pay off the loan early, you won't benefit from the lower interest rate long enough to recoup higher upfront fees. In those cases, a higher-APR loan with lower fees might cost you less total. The break-even analysis is simple: divide the fee difference between two offers by the monthly payment difference to find how many months it takes to break even.

What APR is good for a personal loan or mortgage?

Mortgage APRs vary with market conditions and your credit score. As of 2025, 30-year mortgage APRs ranged from about 6.5–7.5% for well-qualified borrowers. For personal loans, a good APR for borrowers with excellent credit (750+) is typically 7–12%; average credit (650–750) typically qualifies for 12–20%; below that, rates can reach 20–36%. For credit cards, below 15% APR is considered good; 15–20% is average; above 24% is high. Always compare to the best available rate for your credit profile, not just market averages.

Related Calculators

Loan Calculator Find your monthly payment and total cost of any loan Mortgage Calculator Estimate your monthly mortgage payment and total interest Debt Payoff Calculator See how fast you can eliminate any debt with extra payments Credit Card Payoff Calculator Calculate payoff time and interest for credit card debt Present Value Calculator Calculate what future payments are worth in today's dollars