Financial

APR Calculator

Convert nominal rate and fees into annual percentage rate.

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Inputs

Adjust the assumptions to match your scenario. Results update instantly.

Results

Primary outputs and comparison insights are built from the current inputs.

Effective APR

3.15%

True annualized cost including fees.

Monthly payment

$377.42

Monthly payment on the full loan.

Total cost

$23,145.48

All payments plus fees.

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How this calculator works

The APR Calculator converts a nominal interest rate and upfront fees into the effective annual percentage rate so you can compare loan offers fairly. Enter loan amount, nominal rate, and upfront fees to estimate effective apr, monthly payment, and total cost. The calculator updates instantly and adds a comparison table plus chart so you can test the sensitivity of the result before you use it in a decision.

Quick guide

Jump straight to the section you need, then return to the calculator.

Inputs

  • Amount borrowed before fees.
  • Stated annual interest rate.
  • Origination or closing fees rolled into the cost.
  • Loan term in years.

Outputs

  • True annualized cost including fees.
  • Monthly payment on the full loan.
  • All payments plus fees.

Assumptions

  • Fees are treated as a lump-sum upfront cost.
  • Simplified APR approximation.

Tips

  • Always compare APR, not just the nominal rate.
  • Ask lenders for the APR including all fees.

Formula guide

Use these formulas to audit the output or explain it to someone else.

1 formulas

Effective APR ≈ (Total Cost − Principal) ÷ Principal ÷ Years × 100

Usage examples

Review a ready-made scenario, copy it, then tweak inputs to match your case.

Example

4 inputs3 outputs

Loan with origination fee

Inputs

  • Example input Loan amount: $25,000.00
  • Example input Nominal rate: 5.5%
  • Example input Upfront fees: $750.00
  • Example input Term (years): 5

Outputs

  • Example result Effective APR: 3.52%
  • Example result Monthly payment: $477.53
  • Example result Total cost: $29,401.74

Origination fees of 2-3% can add a full percentage point to the true borrowing cost.

APR by fee level

5 of 5 rows
Upfront feesEffective APRTotal cost
$300.002.95%$22,945.48
$500.003.15%$23,145.48
$700.003.35%$23,345.48
$1,000.003.65%$23,645.48
$1,500.004.15%$24,145.48

Hidden fees can raise the effective APR well beyond the advertised rate.

Fee impact on APR

Highest: $1,500.00 (4.15%)Lowest: $300.00 (2.95%)
Upfront feesEffective APR

Focus point

$300.00

2.95%

Position

#1 of 5

Original order

Share of total

17.1%

Total: 17.23%

PositiveNegative

Hidden fees can raise the effective APR well beyond the advertised rate.

References

  • Truth in Lending Act APR definition
  • APR calculation methodology

FAQ

Common questions

What does the APR Calculator do?

The APR Calculator converts a nominal interest rate and upfront fees into the effective annual percentage rate so you can compare loan offers fairly. Enter loan amount, nominal rate, and upfront fees to estimate effective apr, monthly payment, and total cost. The calculator updates instantly and adds a comparison table plus chart so you can test the sensitivity of the result before you use it in a decision. It is part of our financial toolkit.

What inputs do I need?

Typical inputs include Amount borrowed before fees., Stated annual interest rate., Origination or closing fees rolled into the cost..

How are the results calculated?

We follow the formulas and assumptions outlined in the "How this calculator works" section. You will see outputs like True annualized cost including fees., Monthly payment on the full loan., All payments plus fees..

Can I share or download the results?

Use the Copy link or Print buttons to share your results. If a table or chart appears, you can download the data as CSV.

Is my data stored?

No. Calculations run in your browser and we do not store your inputs.