Working capital is an accounting term that means the capital used in your business’ day to day operations. It is calculated by deducting one’s current liabilities from one’s current assets, and is a key factor to your business' success. Most of the aspects of your business are affected by working capital. Not only to run your business smoothly but to plan and execute the advancement of your business, you must have an insight into your working capital. Every business has a working capital need that varies according to numerous factors. Since it is primary to operating your business, you need to know how to calculate your working capital needs.