Opening Inventory Formula / Equation
Opening Inventory is closing inventory of previous accounting period. So, it is the opening balance of the new current accounting period. It is calculated by adding Cost of Sales to Closing Inventory and subtracting Net Purchases . Mathematically, we ca n use the below Opening Inventory Formula or Equation: Opening Inventory = (Cost of Sales + Closing Inventory) - Net Purchases Ope ning Inventory is shown on Income Statement or Trading Account of the current accounting period.