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debt long term and short term debt obligationsebitda earnings before interest taxes depreciation and amortizationto determine total debt add the company s long term and short term debt obligations you can find these numbers in the company s balance sheet in the liabilities section you can calculate ebitda using data from the company s income statement find its net income on the income statement then add any interest expenses taxes depreciation and amortization divide the debt by the company s ebitda the debt to ebitda ratio is similar to the net debt to ebitda ratio the main difference is the net debt to ebitda ratio subtracts cash and cash equivalents while the standard ratio does not ebitda is a non gaap measurement if you learn a company is using it in its reports you should investigate further to learn more about their debt and actual earnings or income 