Break down your true inventory holding cost by component. All calculations run locally in your browser.
Total value of inventory on hand on an average day.
Cost of capital tied up in inventory. Typically 8-15%.
Warehouse rent, utilities, racking, equipment. Typically 5-10%.
Inventory insurance premiums. Typically 1-3%.
Write-downs, damage, theft, and expiration. Typically 2-5%.
Labor for receiving, putaway, picking, counting. Typically 1-3%.
Property tax on inventory. Varies by state - some states exempt it.
Total Carrying Cost Rate
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Percentage of inventory value per year
Annual Carrying Cost
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Monthly Carrying Cost
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Cost Breakdown
Carrying cost is the total annual expense of holding inventory. Most businesses track purchase price and freight, but the cost of keeping goods in the warehouse gets split across general ledger accounts where it disappears from view. When you add it all up, carrying cost typically runs 20-30% of inventory value per year.
That means $500,000 in average inventory costs $100,000 to $150,000 per year just to hold - before you sell a single unit. Understanding this number changes how you think about order quantities, safety stock, and slow-moving SKUs.
Usually the largest component. This is the opportunity cost of money tied up in inventory. If you finance inventory with a loan, use the interest rate. If you use operating cash, use your company's weighted average cost of capital (WACC) or the return you could earn investing that money elsewhere.
A business with $500,000 in inventory and 10% capital cost is spending $50,000 per year in financing costs - money that could fund equipment, marketing, or debt reduction.
Warehouse rent or depreciation, utilities (heating, cooling, lighting), property maintenance, material handling equipment (forklifts, conveyors, pallet racking), and warehouse management system costs. If you own your building, use the opportunity cost: what you could earn by leasing that space.
Inventory insurance premiums protect against fire, flood, theft, and other losses. Rates depend on inventory type, storage conditions, and location. Hazardous materials and high-value electronics carry higher rates.
Products that expire, go out of style, or become technologically obsolete must be written down or disposed of. Shrinkage covers damage during handling and theft. Technology products and fashion items can run 5-10%. Stable industrial supplies might be 1-2%.
Labor and equipment costs for receiving, putting away, cycle counting, picking, and moving inventory. Warehouses with high SKU counts or manual processes have higher handling costs. Automation (barcode scanning, directed putaway) reduces this component over time.
Some states and jurisdictions levy property tax on business inventory. Rates vary widely. Some states have eliminated inventory tax entirely to attract distribution centers. Check your state's policy - this component may be zero.
Total carrying cost as a percentage of inventory value:
If your rate is below 15%, you are likely missing a cost component. If it exceeds 35%, look for quick wins in the largest components - often capital cost (reduce inventory levels) or obsolescence (improve demand forecasting).
Carrying cost is the H in the EOQ formula. When H goes up, the optimal order quantity goes down - you should order smaller quantities more frequently to avoid holding expensive inventory. Use our EOQ calculator to see how changes in carrying cost affect your optimal order size.
For a more complete replenishment strategy, combine carrying cost with the reorder point calculator to determine both when and how much to order.
Inventory carrying cost (also called holding cost) is the total expense of storing unsold goods. It includes the cost of capital tied up in inventory, warehouse space, insurance, taxes, handling labor, and losses from obsolescence, damage, and theft. Most businesses underestimate it because costs are spread across multiple departments.
Industry benchmarks: Manufacturing 20-30%, Retail 25-35%, Wholesale/Distribution 15-25%, E-commerce 25-35%. The biggest variable is capital cost - businesses with expensive financing or high opportunity costs land at the upper end. If your rate is below 15%, you may be missing a cost component.
Focus on the largest components first. Reduce average inventory through better demand forecasting and smaller, more frequent orders (EOQ optimization). Negotiate lower insurance rates. Improve warehouse layout to reduce handling labor. Run cycle counts to catch shrinkage early. Implement FIFO/FEFO to reduce obsolescence and expiration losses.
Yes. Warehouse rent, utilities, property maintenance, and equipment depreciation (forklifts, racking, climate control) are all part of the storage cost component. If you own the warehouse, use the opportunity cost of that space - what you could earn by leasing it or using it for other purposes.
Carrying cost is the H in the EOQ formula: EOQ = sqrt(2DS/H). Higher carrying costs push the optimal order quantity down - you order more frequently in smaller batches to avoid holding expensive inventory. Lower carrying costs allow larger, less frequent orders. Use our EOQ calculator to see the effect directly.
Capital cost is the opportunity cost of money invested in inventory. If you borrow to fund inventory, it is your interest rate. If you use cash, it is the return you could earn elsewhere - typically your weighted average cost of capital (WACC). For most businesses this is 8-15% of inventory value per year.
Yes, for accuracy. Businesses that only count storage and insurance understate their true carrying cost by 40-60%. Capital cost alone is typically the largest component. If you cannot measure a component precisely, use the industry average rather than omitting it.
Your carrying cost rate feeds directly into EOQ and safety stock calculations. Inventory Pro tracks demand, lead times, and stock levels to help you minimize total inventory cost.
Learn more about Inventory Pro and our capabilities. From small business to industrial warehousing, our software can scale and adapt to various industries.