Interest Rate vs. APR
Understand nominal interest rates versus Annual Percentage Rates (APR) to find the best borrowing deals.
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Nominal Interest Rate
The advertised base interest rate on your loan. Lenders use this percentage rate to compute the periodic interest accrued directly on your outstanding balance, excluding any fee disclosures.
- Scope: Base cost of borrowing the principal only.
- Purpose: Used to compute the basic monthly amortization payment.
- Limitation: Hides loan fees, points, and origination charges.
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Annual Percentage Rate (APR)
The comprehensive annual cost of borrowing, incorporating both the base nominal rate and all administrative fees, points, broker commissions, and closing costs.
- Scope: Base rate + all closing costs and upfront charges.
- Purpose: Provides a standard metric to compare competing lenders.
- Advantage: A truer, more transparent representation of actual cost.
| Feature | Nominal Interest Rate | APR |
|---|---|---|
| Includes Closing Costs? | No | Yes (origination, points, broker fees) |
| Used for Interest Accrual | Yes (compounds on principal) | No (only used for overall cost comparison) |
| Comparison Accuracy | Low (a low rate can hide very high fees) | High (standardized metric for true cost) |
Interactive APR Calculator
Input your borrowing amount and upfront fees below to calculate your true Annual Percentage Rate.
Effective APR
6.19%
Interest Rate
6.00%
Monthly Payment (P&I)
$1,199.10
Total Finance Fees
$4,000.00