Free tools

Warehouse & business calculators.

Free online tools for warehouse operators, distributors, and wholesalers. Calculate margins, shipping costs, reorder points, and more — no signup required.

Gross Margin Calculator

Calculate gross margin percentage and markup from cost and selling price. Understand the difference between margin and markup.

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Dimensional Weight Calculator

Calculate DIM weight for FedEx, UPS, USPS, and freight shipments. Compare actual vs. dimensional weight to find billable weight.

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Pallet Calculator

Calculate how many cartons fit on a standard pallet. Optimize your pallet configuration for maximum space utilization.

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Reorder Point Calculator

Calculate when to reorder inventory based on lead time, daily demand, and safety stock levels. Never run out of stock again.

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Economic Order Quantity (EOQ) Calculator

Find the optimal order quantity that minimizes total inventory costs — balancing ordering costs against holding costs.

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Inventory Turnover Calculator

Calculate how many times your inventory is sold and replaced over a period. Benchmark your efficiency against industry standards.

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Tired of spreadsheets running your warehouse?

These calculators are useful — but Loumia automates all of this and more. Reorder points, margin tracking, shipping optimization, and inventory turns — all built in.

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