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How to Calculate Debt Service Coverage

Last Updated: October 9, 2025

What Is Debt Service Coverage?

Debt service coverage measures your ability to pay mortgage obligations from property income. Use debt service coverage to show lenders that your rental income consistently supports your monthly payment responsibilities. Emphasize debt service coverage during loan evaluations because lenders consider this number essential for risk assessment.


How to calculate Debt Service Coverage

Calculate debt service coverage with this primary formula: