# Operations Ratios Calculator > Calculate operating-efficiency ratios for assets, inventory, receivables, payables, and working capital. Page: https://askcalculators.com/calculator/operations-ratios-calculator/ Definition: https://askcalculators.com/calculator/operations-ratios-calculator/definition.json JSON Schema: https://askcalculators.com/calculator/operations-ratios-calculator/schema.json Version: 1.0.0 Maintained by: AskCalculators (software project; not a credentialed reviewer) Qualified review: pending. Automated checks do not establish professional approval. Page status: Live Review status: Pending ## Use Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation. Example: https://askcalculators.com/calculator/operations-ratios-calculator/?netSales=1000000&costOfGoodsSold=600000&averageTotalAssets=500000&averageInventory=100000&averageAccountsReceivable=80000&averageAccountsPayable=75000&averageWorkingCapital=150000&daysInPeriod=365 ## Inputs - netSales: Net sales; type=money; required; default=1000000; min=0 - costOfGoodsSold: Cost of goods sold; type=money; required; default=600000; min=0 - averageTotalAssets: Average total assets; type=money; required; default=500000; min=0 - averageInventory: Average inventory; type=money; required; default=100000; min=0 - averageAccountsReceivable: Average accounts receivable; type=money; required; default=80000; min=0 - averageAccountsPayable: Average accounts payable; type=money; required; default=75000; min=0 - averageWorkingCapital: Average working capital; type=money; required; default=150000 - daysInPeriod: Days in analysis period; type=number; required; default=365; min=1; max=366 ## Outputs - assetTurnover: Total asset turnover; format=number; primary - inventoryTurnover: Inventory turnover; format=number - daysInventory: Days inventory outstanding; format=number - receivablesTurnover: Receivables turnover; format=number - daysSalesOutstanding: Days sales outstanding; format=number - payablesTurnover: Payables turnover; format=number - daysPayables: Days payables outstanding; format=number - workingCapitalTurnover: Working capital turnover; format=number ## Formula turnover = relevant flow ÷ average balance; days outstanding = period days ÷ turnover ## Rules - Empty optional inputs are undefined, not zero. - Hidden conditional inputs are ignored. - Do not invent missing required inputs. Notice: Ratio definitions and useful benchmarks vary by industry and accounting policy.