Cost Of Debt Calculator

Introduction: Understanding the cost of debt is essential for individuals and businesses when managing their finances. The Cost Of Debt Calculator provides a quick estimate of the total cost of debt based on the principal amount, annual interest rate, and loan term.

Formula: The total cost of debt is calculated using the formula for compound interest:

Total Cost of Debt=Principal Amount×(1+Annual Interest Rate100×Loan Term)Total Cost of Debt=Principal Amount×(1+100Annual Interest Rate​×Loan Term)

How to Use:

  1. Input the principal amount, representing the initial borrowed amount.
  2. Input the annual interest rate, representing the percentage of interest charged per year.
  3. Input the loan term in years, representing the duration of the loan.
  4. Click the “Calculate” button to obtain the estimated total cost of debt.
  5. The result will be displayed below the button.

Example: For example, if you borrow $10,000 with an annual interest rate of 5% for a term of 3 years, the calculator will estimate the total cost of debt as $11,576.25.


  1. What is the cost of debt?
    • The cost of debt represents the total expense incurred to borrow funds, including both the principal amount and the interest charged.
  2. How is the annual interest rate calculated?
    • The annual interest rate is the percentage of interest charged on the borrowed amount per year.
  3. Does the calculator include other fees, such as loan origination fees?
    • No, the calculator focuses on the total cost of debt based on the principal amount and interest rate. Users should consider additional fees separately.
  4. Can I use the calculator for different currencies?
    • The calculator is designed for dollars. Users can convert the result to their local currency if needed.
  5. Is the estimated cost of debt inclusive of taxes?
    • No, the calculator provides a basic estimate. Users should consider taxes and other potential fees separately.

Conclusion: The Cost Of Debt Calculator is a valuable tool for estimating the total cost of borrowing funds over a specific period. Use this calculator to gain insights into the financial implications of debt, allowing for informed financial decision-making. Keep in mind that actual costs may vary based on specific loan terms and conditions.

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