ShippingCalc Plugin Features
- Intelligent packaging for multiple items 
 - Domestic and international services supported from any origin 
 - Carrier accounts not required 
 - Advanced capabilities for determining fit into USPS flat rate boxes 
 - Debug Mode 
 - Separate configuration for packing materials weight 
 - Automatically determines dimensional weight pricing 
 - Supports both flat rate and carrier-calculated rates
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- Configure handling per item, package, or order 
 - Charge handling by flat fee or percentage 
 - Determine insurance cost based on value 
 - Supports items limited to particular services 
 - Discounts or free shipping based on the order price 
 - Supports shipping from multiple locations by item 
 - All accessorial carrier charges supported 
 - Offer pickup or delivery based on zip code range
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