Construction Materials Calculator | Crushed Stone CalculatorApr 21, 2017 . CALCULATE TOTAL CUBIC YARDS* TOTAL CUBIC TONS*. *The totals calculated above are for estimates only. There are many different factors that can impact the exact quantities you may need for your job. We encourage you to work with a Braen Supply team member for more exact product estimates.crushed stone quantity calculator,crushed stone quantity calculator,Crushed Stone Calculator: Free Online Tool - Braen StoneOct 25, 2017 . Determining how much stone you need for your project can be tough. Our stone calculator is easy to use and will give you the amount you need every time.