Emily is a CPA specializing in corporate solvency and debt risk analysis, ensuring the professional accuracy of this leverage metric.
The **Interest Coverage Ratio Calculator** (ICR) is a vital solvency metric that measures a company’s ability to cover its interest expenses using its operating income. This ratio is crucial for lenders and investors evaluating a firm’s long-term debt sustainability. This versatile four-function solver allows you to determine the **ICR Ratio (R)**, **Earnings Before Interest & Taxes (EBIT)**, **Interest Expense (I)**, or the resulting **Income Surplus/Deficit (S)**. Simply enter any three of the four required variables and the tool will solve for the missing one.
Interest Coverage Ratio Solver
Interest Coverage Ratio Formulas
The ICR formula measures the firm’s earnings power against its financial obligations. The Income Surplus (S) is the absolute dollar measure of the margin of safety.
Core Ratio: ICR Ratio (R) = EBIT / Interest Expense
Income Surplus Identity: Surplus (S) = EBIT – Interest Expense
$$ R = \frac{E}{I} $$
$$ S = E - I $$
\text{Solve for EBIT (E): } $$ E = R \cdot I $$
\text{Solve for Interest Expense (I): } $$ I = \frac{E}{R} $$
Formula Source: Investopedia: Interest Coverage Ratio
Variables
- E (EBIT): Earnings Before Interest and Taxes. The profit generated by core operations. (In currency).
- I (Interest Expense): The annual financial cost of the company’s debt. (In currency).
- R (ICR Ratio): The number of times a company can cover its annual interest payments using its earnings. (As a dimensionless number).
- S (Income Surplus/Deficit): The dollar amount of operating income remaining after paying the annual interest ($E – I$). (In currency).
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What is the Interest Coverage Ratio (ICR)?
The Interest Coverage Ratio (ICR) is a solvency ratio that assesses a firm’s ability to handle its outstanding debt. It measures the number of times a company can pay its current interest expense using its Earnings Before Interest and Taxes (EBIT). It is often referred to as the “Times Interest Earned” ratio. Lenders and bond rating agencies use the ICR to gauge the margin of safety a company maintains to prevent default on its debt obligations.
An ICR of exactly 1.0 means the company’s operating income is just enough to cover its interest expense. Since this leaves no margin for error or non-operating expenses, an ICR below 1.5 is typically considered risky. A healthy ICR varies by industry but is usually expected to be above 2.0. A high ICR (e.g., 5.0 or more) indicates that the company has strong earnings relative to its interest burden, implying low debt risk and high financial flexibility.
How to Calculate ICR (Example)
A manufacturing firm reports EBIT (E) of $\$300,000$ and Annual Interest Expense (I) of $\$60,000$.
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Step 1: Identify Variables
EBIT $(E) = \$300,000$. Interest Expense $(I) = \$60,000$.
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Step 2: Apply the ICR Formula
$$ R = \frac{E}{I} = \frac{\$300,000}{\$60,000} $$
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Step 3: Determine the ICR Ratio (R) and Surplus (S)
The resulting ICR Ratio is $\mathbf{5.0}$. This means the company’s operating income covers its interest expense 5 times over.
The Income Surplus (S) is $\$300,000 – \$60,000 = \mathbf{\$240,000}$.
Frequently Asked Questions (FAQ)
Most credit analysts prefer an ICR of 1.5 or higher. An ICR of 1.0 is considered the critical threshold, below which a company is technically unable to meet its interest obligations from its operating profits, often leading to default or restructuring.
EBIT is used because it represents the profit generated by the company’s core operations **before** accounting for financing costs (interest) and taxes. Since the ICR’s purpose is to measure the ability to pay interest, the income metric must exclude interest itself for a meaningful comparison.
A negative Income Surplus (S) means EBIT is less than the Interest Expense (I). This directly results in an ICR ratio of less than 1.0, indicating the company is not earning enough from its primary operations to cover its annual interest payments.
Interest Expense (I) serves as the denominator in the ICR formula ($R = E/I$). It must be positive because the ratio is designed to measure coverage of a positive debt cost. Division by zero is mathematically impossible, and a zero cost implies no debt risk in this context.