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Inventory Turnover & Days Calculator

Calculate inventory turnover ratio, days inventory outstanding (DIO), inventory carrying cost and identify slow-moving stock.

Result

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Notes & assumptions: Average inventory = (opening + closing) ÷ 2. Turnover ratio = COGS ÷ average inventory. DIO = 365 ÷ turnover ratio. Carrying cost = average inventory × carrying rate.

Disclaimer: This tool provides an indicative estimate for general planning only and is not professional, legal, financial, medical or engineering advice. Reference values are editable defaults that vary by location, vendor, regulation and date. Verify critical figures with a qualified professional. Varada Nexus accepts no liability for decisions made using this tool.

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FAQ

What is a good inventory turnover ratio?

Benchmarks vary by industry. FMCG/retail targets 6–12×; manufacturing 4–8×; engineering 2–4×. Higher is generally better — it means less capital tied up in stock.

What is Days Inventory Outstanding (DIO)?

DIO is the average number of days a company holds inventory before selling it. Lower DIO means faster-moving stock. DIO = 365 ÷ inventory turnover ratio.

How do I improve inventory turnover?

Improve demand forecasting, reduce safety stock where possible, implement ABC analysis (focus on fast movers), run promotions on slow movers, and negotiate shorter supplier lead times.