Interest Coverage Ratio Calculator

Instantly find your interest coverage ratio using EBIT or EBITDA and see your earnings buffer and risk category. Results update as you type.

By CalcMastery Editorial Team

Interest Coverage Ratio Calculator

Assess a company’s ability to pay interest using EBIT or EBITDA.

Choose the period for inputs. The ratio is unchanged if both use the same basis.

EBIT-basedEBITDA-based

Pick EBIT for the standard ICR or EBITDA for a less conservative view.

$

Earnings before interest and taxes over the chosen period.

$

Earnings before interest, taxes, depreciation, and amortization.

$

Total interest due over the chosen period. Must be greater than 0.

Results

  • Interest Coverage Ratio—
  • Coverage Category—
  • Earnings Buffer$

Enter your inputs above to calculate the results.

This tool computes the Interest Coverage Ratio (ICR)—how many times your operating earnings can cover interest expense. It supports EBIT-based and EBITDA-based coverage and also reports the Earnings Buffer and an indicative Coverage Category. Use it to gauge debt-carrying capacity and credit risk.

Introduction

The calculator offers two modes: EBIT-based and EBITDA-based. Canonical definitions:

ICR = ebit / interestexpense

and

ICREBITDA = ebitda / interestexpense

. Results update instantly as you edit inputs (no need to press Calculate). Keep the Time Basis consistent (e.g., Annual) for both earnings and interest.

How to Use the Interest Coverage Ratio Calculator

Follow these quick steps to enter inputs and interpret the results.

Select Time Basis (e.g., Annual).

Ensures earnings and Interest Expense are on the same period.

Choose Coverage Type

EBIT-based for operating-profit view or EBITDA-based to add back non-cash D&A. This affects the ratio level.

Enter EBIT (Operating Income) or EBITDA per your selected mode.

Use figures from the same financial period.

Enter Interest Expense for that period.

Include only financing-related interest, not principal.

Review Interest Coverage Ratio. Calculated as:

    • EBIT mode: ICR = ebit / interest_expense

- EBITDA mode:

ICR_EBITDA = ebitda / interest_expense

Check Earnings Buffer to see surplus after interest:

earnings_buffer = (ebit or ebitda)-interest_expense

Use the Coverage Category (e.g., “Adequate”) as a quick benchmark. Lenders generally prefer higher ratios.

Adjust inputs to test scenarios. Ratios typically display to two decimals; results update automatically as you type.

Frequently Asked Questions

What is the Interest Coverage Ratio (ICR)?

ICR measures how many times a company’s operating earnings can cover its interest expense for a period. Higher values indicate more capacity to meet interest payments.

When should I use EBIT vs. EBITDA?

EBIT reflects operating profit after depreciation/amortization; EBITDA adds these non-cash charges back. Use EBIT for a stricter view of coverage; use EBITDA to assess cash earnings available before non-cash expenses.

What is a “good” ICR?

Benchmarks vary by industry and cycle, but common guideposts are: <1.0 = weak/distressed, 1.0–1.9 = tight, 2.0–3.0 = adequate, >3.0 = strong. Always compare to peers and trends.

How does this differ from Times Interest Earned (TIE) and DSCR?

TIE is another name for EBIT-based ICR. DSCR includes principal repayment and is usually used in project/real-estate finance; ICR focuses only on interest.

Which period does the ratio cover?

It should use matched periods (e.g., annual EBIT with annual interest). This tool lets you choose the time basis; just ensure numerator and denominator are for the same period.

What if interest expense is zero or negative?

If interest expense is exactly zero and earnings are positive, coverage is effectively infinite. If interest is zero and earnings ≤0, the ratio is not defined. Negative “interest expense” (net interest income) is not meaningful for ICR and should be treated as invalid.

Does the calculator require hitting a button to compute?

No. Results update automatically as you type; no “Calculate” click is required.

How should I interpret a negative ICR?

Negative earnings produce a negative ratio, signaling that operations do not cover interest—an indicator of elevated risk.

Are non-operating items included?

Use operating earnings (EBIT) or EBITDA from continuing operations. Exclude unusual, non-recurring items and gains/losses unrelated to core operations for clearer comparability.

This tool computes the Interest Coverage Ratio (ICR) to assess the ability to meet interest obligations. It supports EBIT- and EBITDA-based coverage and reports an “Earnings Buffer.”

Inputs

    • Time basis: Annual or Quarterly (ensure both earnings and interest use the same period).
    • Earnings:

- EBIT (Operating Income).

  • EBITDA (EBIT + Depreciation + Amortization).
  • Interest Expense: Period interest on debt (exclude capitalized interest and interest income for clarity).

Formulas

    • EBIT-based coverage:
ICREBIT = EBIT / Interest Expense
    • EBITDA-based coverage:
ICREBITDA = EBITDA / Interest Expense

Interpretation tips

  • Compare against peers, credit covenants, and multi-year trends.
  • Consider cyclicality: stable utilities may warrant higher thresholds than growth firms.
  • Complement with leverage ratios (Debt/EBITDA) and liquidity metrics for a full view.

Sources & Methodology