Inventory & Reorder Point Calculator™

Know When to Reorder Before You Run Out

Running out of inventory can interrupt sales, while ordering too early can tie up cash in stock you do not need yet.

The Inventory & Reorder Point Calculator™ helps you make replenishment decisions using your current inventory, sales rate, supplier lead time, and safety stock.

Instead of relying on guesswork, enter your numbers and quickly see when to reorder, how much to consider ordering, and how long your current inventory may last.

What You Can Calculate

📦 Current Inventory

Enter your available inventory and monitor your current stock position.

📈 Sales & Inventory Velocity

Use your average daily sales to estimate how quickly your inventory is being consumed.

⏱️ Lead-Time Demand

See how much inventory you may need to cover expected sales while waiting for your next shipment.

🛡️ Safety Stock

Add a safety-stock buffer to help account for uncertainty in demand and replenishment timing.

🔔 Reorder Point

Calculate the inventory level at which you should consider placing a new order.

📅 Days of Stock Remaining

Estimate how many days your current inventory may last based on your sales rate.

⚠️ Inventory Status

The calculator provides clear status guidance such as:

• HEALTHY
• REORDER SOON
• REORDER NOW
• NO SALES RATE

📦 Reorder Quantity Guidance

Use the Reorder Calculator to determine the quantity needed based on your reorder assumptions.

📊 90-Day Stock Forecast

See how your inventory could change over the coming 90 days based on your current sales assumptions.

🔄 Scenario Planner

Test different assumptions and see how changes in inventory, sales velocity, lead time, or safety stock can affect your replenishment position.

What's Included

Excel Workbook

Inventory & Reorder Point Calculator™

Includes:

• Start Here
• Inventory Calculator
• Reorder Calculator
• 90-Day Stock Forecast
• Dashboard
• Scenario Planner

PDF Quick Start Guide

A straightforward guide explaining how to:

• Set up the calculator
• Enter your inventory information
• Understand your inventory status
• Calculate your reorder point
• Use the stock forecast
• Read the Dashboard
• Test different scenarios

README & License

Includes product information, usage rights, license terms, limitations, and important product notes.

Who Is It For?

This calculator is designed for:

• Amazon sellers
• Etsy sellers
• Shopify sellers
• Online retailers
• Small-business owners
• Product-based businesses
• Wholesale businesses
• Resellers
• Retail businesses
• Anyone managing physical inventory

You do not need a complicated inventory-management system to start using it.

How It Works

Enter your numbers → Calculate your reorder point → Check your inventory status → Forecast your stock → Make a better replenishment decision

The basic logic is simple:

Demand During Lead Time + Safety Stock = Reorder Point

The calculator turns those inputs into practical inventory indicators so you can make your replenishment planning more systematic. Reorder-point tools commonly use demand rate, supplier lead time, and safety stock as core inputs.

Why Use a Reorder Point Calculator?

Your inventory decision is not simply:

"How much stock do I have?"

The more useful questions are:

"How fast am I selling?"

"How long will replenishment take?"

"When should I place the next order?"

"How much safety stock should I maintain?"

This workbook brings those questions together in one practical Excel tool.

Important Note

This is a planning and educational tool, not a substitute for a professional inventory-management system, accounting system, supply-chain consultation, or business advice.

Results depend on the accuracy of the assumptions and information entered into the workbook.

The V2 calculator uses average daily sales as its primary demand-rate assumption and does not model seasonality, demand variability, supplier reliability, MOQ requirements, multiple SKUs, or purchase-order timing.

What You Receive

✓ Excel Inventory & Reorder Point Calculator

✓ Reorder Point Calculator

✓ Inventory Status Indicators

✓ Days of Stock Remaining

✓ 90-Day Stock Forecast

✓ Dashboard

✓ Scenario Planner

✓ Quick Start Guide PDF

✓ README & License PDF

✓ Instant digital download

Know Your Stock. Know Your Reorder Point. Plan Ahead.

TRACK • REORDER • FORECAST

— GRID & PROSE™

Practical tools for better decisions.