Inventory Profit Calculator
Assess inventory batch resale profitability. Calculate gross profit dollar earnings, total retail sales proceeds, and gross margin percentages realized across physical inventory unit batches to evaluate supplier purchasing decisions and clearance markdowns.
Number of inventory units purchased and sold
Wholesale acquisition cost per unit from supplier
Final sales price charged to retail buyers
Gross dollar profit realized after deducting inventory acquisition costs
How to Use This Calculator
- Enter total units purchased in the inventory production batch.
- Enter wholesale purchase cost basis per unit.
- Enter expected or realized retail selling price.
- Review total gross dollar profit and profit margin percentage to evaluate supplier ROI.
Formula & Calculation Methodology
Multiplies per-unit cash spread by batch volume to calculate aggregate gross inventory dollar returns.
Worked Example
1,200 units bought at $16 wholesale and sold at $40 retail
Frequently Asked Questions
How does inventory turnover speed affect inventory profit?↓
A product with a 40% margin that turns 6 times a year generates far more annual dollar profit than a product with a 70% margin that only turns once per year.
Should outbound fulfillment shipping be deducted in inventory profit?↓
This tool measures pure gross merchandise inventory profit. For all-in unit economics including postage and marketplace merchant fees, use the Profit Per Unit Calculator.
What is Gross Margin Return on Investment (GMROI)?↓
GMROI evaluates inventory productivity: Gross Profit / Average Inventory Cost. It measures how many dollars of gross profit are earned for every dollar invested in inventory.
How should promotional clearance discounts be accounted for?↓
Use a weighted average selling price to reflect the proportion of inventory sold at full price versus marked-down clearance items.
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Source Citation & Disclaimer
Informational tool only; not licensed tax, legal, or financial advice.