📘 GMROI Calculator — Full Description (No Formula)
The GMROI Calculator helps businesses understand how effectively they turn inventory into gross profit. GMROI stands for Gross Margin Return on Investment, and it measures how much profit a company earns for each dollar it invests in inventory.

This tool is especially useful for retailers, wholesalers, and inventory managers who need to assess whether their inventory decisions are generating strong financial returns.

🔹 What It Does
By comparing the amount of gross profit a company earns to the average cost of inventory it holds during a period, the calculator provides a clear indicator of inventory efficiency and profitability.

For example:

If your result is 200%, you're earning $2 in gross profit for every $1 of inventory invested.

A result below 100% means you're earning less than you invest, which may signal overstocking or poor pricing.

🔹 What You Need to Input
Gross Profit ($) – The amount earned from selling products, after subtracting the cost of those products.

Average Inventory Cost ($) – The average value of inventory on hand over a period.

GMROI (%) – The percentage return you receive from your inventory investment.

By providing any two of these values, the calculator can determine the third.

🔹 Why It Matters
GMROI helps you:

Make better purchasing decisions

Evaluate product performance

Improve inventory turnover and reduce excess stock

Compare categories or vendors based on financial return

This makes GMROI one of the most important metrics in inventory planning and retail profitability analysis.

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