We'll create fresh WordPress site with Shipping by Rules for WooCommerce installed. You have 20 minutes to test the plugin after that site we'll be deleted.
Determine shipping costs according to general conditions (bounds on the order properties). Shipping costs can depend on e.g.:
The plugin exists in two different versions, this free version, which supports fixed bounds for all properties, and a paid version, which allows all conditions and shipping rules to contain arbitrary mathematical expressions (like an OR operator, multiplication, addition, subtraction, functions like rounding etc.). See the documentation for all the differences.
Each rule is described as one line of text with an easy structure (semicolons separate the parts of the rule). For example:
Name=Free Shipping; 100<=Amount; 0
Name=Domestic Small; Articles<5; Amount<100; Shipping=1.50
Name=Domestic Standard; Amount<100; Shipping=3.50
This set of rules describes three shipping costs: Orders of 100€ and more are free, otherwise orders with less than five articles have shipping costs of 1.5€, all others 3.50€.
For the full documentation of the Shipping by Rules plugin for WooCommerce see:
http://open-tools.net/documentation/advanced-shipping-by-rules-for-woocommerce.html