Cost of Debt Formula

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Cost of Debt is the effective interest rate a company pays on its debt. Check FAQs
Rd=Int.E(1-Tr)
Rd - Cost of Debt?Int.E - Interest Expense?Tr - Tax Rate?

Cost of Debt Example

With values
With units
Only example

Here is how the Cost of Debt equation looks like with Values.

Here is how the Cost of Debt equation looks like with Units.

Here is how the Cost of Debt equation looks like.

94.5Edit=135Edit(1-0.3Edit)
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Cost of Debt Solution

Follow our step by step solution on how to calculate Cost of Debt?

FIRST Step Consider the formula
Rd=Int.E(1-Tr)
Next Step Substitute values of Variables
Rd=135(1-0.3)
Next Step Prepare to Evaluate
Rd=135(1-0.3)
LAST Step Evaluate
Rd=94.5

Cost of Debt Formula Elements

Variables
Cost of Debt
Cost of Debt is the effective interest rate a company pays on its debt.
Symbol: Rd
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Interest Expense
Interest Expense is a non-operating expense shown on the income statement.
Symbol: Int.E
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Tax Rate
Tax Rate refers to the percentage at which a taxpayer's income or the value of a good or service is taxed.
Symbol: Tr
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.

Other formulas in Capital Budgeting category

​Go Payback Period
PBP=Initial InvtCf
​Go Cost of Retained Earnings
CRE=(DPc)+g
​Go After-Tax Cost of Debt
ATCD=(Rf+CSP)(1-Tr)
​Go Accounting Rate of Return
ARR=(APInitial Invt)100

How to Evaluate Cost of Debt?

Cost of Debt evaluator uses Cost of Debt = Interest Expense*(1-Tax Rate) to evaluate the Cost of Debt, The Cost of Debt formula is defined as the effective interest rate a company pays on its borrowed funds. It represents the return required by lenders or bondholders for providing debt financing to the company. Cost of Debt is denoted by Rd symbol.

How to evaluate Cost of Debt using this online evaluator? To use this online evaluator for Cost of Debt, enter Interest Expense (Int.E) & Tax Rate (Tr) and hit the calculate button.

FAQs on Cost of Debt

What is the formula to find Cost of Debt?
The formula of Cost of Debt is expressed as Cost of Debt = Interest Expense*(1-Tax Rate). Here is an example- 70 = 135*(1-0.3).
How to calculate Cost of Debt?
With Interest Expense (Int.E) & Tax Rate (Tr) we can find Cost of Debt using the formula - Cost of Debt = Interest Expense*(1-Tax Rate).
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