You can purchase this plugin here http://www.woomill.com ($10)
WooCommerce Table Rate Shipping plugin makes it really easy to ship your woocommerce products. The woocommerce extension allows you to shop all your products based off weight, size, or even quantity. The plugin really makes shipping easier and makes you more in control of shipping prices. I know, woo-commerce shipping is a little limited but this plugin will greatly will you with your ecommerce wordpress website. The table rate shipping extension for woocommerce makes shipping super easy. Give it a try!
You can either purchase this plugin on woocommerce.com or woomill. The difference between both sites is you receive support from woocommerce at a higher cost, woomill provides you a cheaper price with no support.
For more tutorials like this, or to learn how to make a wordpress website, feel free to visit my website at http://www.darrelwilson.com