Step 1: Customize Calculator
In this step, you define how product pricing will be calculated based on measurements.
Access Settings
- Open your Shopify Admin
- Go to Apps → Price Calculator App
- Open Measurement Settings
Measurement Setting
- Measurement Title: Enter a name for your pricing rule.
- Measurement Type: Choose how pricing will be calculated: Weight, Area. Length, Volume, Box Tiles, Rolls, Area (L × W), Volume (L × W × H), Room Walls, Linear Measurement (L + W),
Note: Additional fields will appear based on your selected measurement type.
Pricing:
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Base Price: Enable to combine:
- Existing product price
- Calculated measurement price
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Show Product Price Per Unit: Enable to display price per unit on the product page.
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Pricing Label: Add a custom label to replace the product price display.
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Minimum / Maximum Price (Per Unit): Set pricing limits per unit.
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Apply Unit Price: If disabled, the app will use the product’s default price automatically.
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Measurement Inputs: (Example: Volume L × W × H)
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Output Unit: Select output unit (e.g., Cubic Yard)
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Length Settings Label (e.g., Length), Unit (e.g., Yard), Min / Max values, Width Settings, Height Settings,

Status: Enable the rule to activate it.