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# How to Calculate the Number of Boxes on Shopify Using the Custom Price Calculator App

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Overview of creating a calculator for box and case quantities using the Custom Price Calculator app for Shopify.

**Key Benefits**

* **Customization:** Easily create tailored pricing options for products.
* **Flexibility:** Adapt calculators to various products and services.
* **Efficiency:** Automates pricing and simplifies order management.
* **Upselling Opportunities:** Offer add-ons and increase revenue.
* **Enhanced User Experience:** Provide customers with transparent and intuitive shopping experiences.
* **Improved Accuracy:** Reduce errors by automating calculations.

1. **Purpose**

* Demonstrates creating a calculator for products sold in specific quantities (e.g., flooring sold in boxes or cases).
* Example: Calculating the required number of boxes based on user input (length and width) and displaying total cost.
2. **Setup Steps**

* Click **+ Add element** and select **Dropdown** from the modal to add a dropdown for product type (e.g., wood or tiles with different prices).
* Add number input fields for length and width with minimum values.
* Insert a calculation display to show the minimum number of boxes required, using a formula to round up.
3. **Building the Formula**

* Combine user inputs and product specifications to calculate the total price.
* Use formulas to multiply the number of boxes needed by the price of the selected product type.
* Add suffixes to clarify outputs (e.g., "Total Price for Boxes").
4. **Testing and Previewing**

* Test the calculator under the app’s preview section to confirm accurate calculations.
* Verify inputs dynamically update outputs for the total number of boxes and cost.

## Need More Help?

If you encounter any issues or need further assistance, contact our support team through the app or email us at [[email protected]](/cdn-cgi/l/email-protection#82f1f7f2f2edf0f6c2e1f7f1f6edeff2f0ebe1e7e1e3eee1f7eee3f6edf0ace1edef)