Out of stock sales Calculator

See how much you are potentially losing when you have an out of stock product

Monthly Store Visitors

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Average Order Value

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Out of Stock Rate (%)

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🔔 Back in Stock Revenue $0

⏰ Preorder Revenue $0

❤️ Wishlist Revenue $0

💎 Total Monthly Revenue $0

💡 Calculation Methodology: Based on industry averages including 3-5% notification signup rate, 20-25% conversion for back-in-stock alerts, 15-20% for preorders, and 8-12% for wishlists.

Learn how to minimize lost sales with Shopify back in stock and preorder widgets of Notify Me. Discover why customers abandon their carts, the contributing factors, and actionable strategies using insights from your store’s data.

What This Calculator Means

The following terms used in this calculator have the meanings set forth below:

“Monthly Store Visitors”: refers to the average 12-month traffic of your store from all the channels.
"Average Order Value" refers to the the average amount of money a customer spends per purchase, calculated by dividing the total revenue by the number of orders within a specific period.
“Out of Stock Rate (%)” refers to the percentage of products in an inventory that are unavailable for purchase at a specific time

Frequently asked questions

How does the calculator estimate potential revenue?

The calculator uses industry benchmarks and real Shopify merchant data.
These averages are applied to your input values to project realistic monthly revenue potential.

Do I need to install the app to use the calculator?

No, the calculator is free to use for everyone.
You can explore your potential revenue directly on this page.

How accurate are the calculator results?

The results are based on proven industry conversion rates but may vary depending on your store’s traffic quality, pricing, and audience behavior.

What is the Notify Me app?

Notify Me is a Shopify app that lets you recover lost sales from out-of-stock products and preorders.
It sends automated back in stock alerts, preorder notifications, and wishlist reminders to your customers — helping you capture revenue you’d otherwise miss.

Out of stock sales Calculator

💰 Revenue Calculator

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What This Calculator Means

Frequently asked questions