# Cost of Debt Formula How to Calculate it with Examples?

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The higher a business’s credit score, the less risky they appear to lenders — and it’s easier for lenders to give lower interest rates to less risky borrowers. And the lower your interest rate, the less you pay in interest and on your total cost of debt. To calculate the cost of debt, first add up all debt, including loans, credit cards, etc.

- If a company is public, it can have observable debt in the market.
- Although you can use Excel or Google Sheets for bookkeeping, it’s helpful to know how to be your own cost of debt calculator.
- In 1985, students at Columbia University were frustrated that their school had investments in companies operating in apartheid South Africa….
- Calculating the cost of debt involves finding the average interest paid on all of a company’s debts.

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## 4.1 Cost of debt

Since the interest paid on debts is often treated favorably by tax codes, the tax deductions due to outstanding debts can lower the effective cost of debt paid by a borrower. There are a couple of different ways to calculate a company’s cost of debt, depending on the information available. When you need to perform calculations or carry out financial analyses, it’s common for the data you need to be spread out over multiple spreadsheets, often in different formats.

If you also want to calculate the after-tax cost of debt, you will need the tax rate. A cost of debt is described as the minimum rate of return a hold of debt needs to accept for a liability. It’s also described as the effective interest rate that a company pays on its liabilities. Determining a good https://kelleysbookkeeping.com/ weighted average cost of capital depends on the industry. Younger companies and startups typically have high WACCs, too, since they are more likely to rely on debt as they grow toward profitability. In general, the higher the weighted average cost of capital, the riskier the company is to invest in.

## Interest rates

Like any other cost, if the cost of debt is greater than the extra revenues it brings in, it’s a bad investment. To get our total interest, we’ll multiply each loan by its annual Cost Of Debt Formula interest rate, then add up the results. Although you can use Excel or Google Sheets for bookkeeping, it’s helpful to know how to be your own cost of debt calculator.

### How do you calculate cost of debt in WACC?

Take the weighted average current yield to maturity of all outstanding debt then multiply it one minus the tax rate and you have the after-tax cost of debt to be used in the WACC formula.

To calculate the after-tax cost of debt, we need first to determine the pretax cost of debt. To entice investors, bond offerings include interest payments, coupons, or, if it makes more sense, dividends. These payments encourage investors to take the risk of the investment. Alternatively, you can also pull up estimate company Beta’s figures on Bloomberg, Yahoo Finance, MarketWatch, etc.