Add to cart with different multiplicity

Add to cart with different multiplicity

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This module allows shop-owners to sell fractional amounts of products if ready-made or standard volumes or quantities do not suit their business requirements.
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  • osc app
  • PHP version
  • 7.4.x
  • osCommerce version
  • 4.0.x
  • Additional PHP libs
  • NO
  • Module dependences
  • Depended
  • 3d party services
  • NO
  • Additional requirements
  • NO

The Order quantity step module allows you to set the step which increases the quantity of products with certain multiplicity, as well as to choose for each product the type of counting its quantity: as a whole or fractional number during purchase.

For example, a shop owner sells linoleum rolls, so there are 10 rolls that are 10 meters in length each. This product is measured in meters, but if the shop owner needs to keep the records in rolls it can be done by putting 10 in the Items to Virtual item field. Now, if the minimum quantity that can be sold is 0.2 of the roll the Order quantity step field should be filled in with 2. Correspondingly, if the other options for selling the parts of the roll are 0.4, 0.6 and 0.8, so the Virtual item steps (in Items) field should be filled in with ;2;4;6;8; (the first step (2) should match the order quantity step value). As a result, the customer will see on the front end that it is possible to order minimum 0.2 from the 10 meter roll and the other possible quantities to order are 0.4, 0.6, 0.8 or the whole roll. 

How it works?
Fractional quantity with certain step can be easily implemented to any product you need.
Since the system only works with whole numbers, this module converts fractional numbers into whole numbers, “understandable” for the system thanks to the virtualization process.

After installing the Order quantity step module, the Order Quantity Step and the Virtual Item Step fields are added to the Product details page in the backend, where you can set any value according to which the quantity of the product will be changed.


This module is used in the backend and its settings can be found under Modules and Extensions tabs.

Widgets and pages:

No widgets or pages are added to this module.

Paid support

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