If you don’t know the square feet of the area to cover, enter the length and width values and it will load the area for you. If you already know the square feet of the area to cover enter it into the area box then enter the desired thickness and click on “Calculate”.

Calculator

• This calculator will provide an estimate of how material is required for the area and thickness to be covered.
• For the best results, Naples Fertilizer recommends 3 inches or more of mulch thickness.
• Round up all numbers to provide as close to an accurate estimate as possible.
• 1 cubic yard covers 100 sqft at 3 inches of thickness.
• 1 ton of rock covers between 90-175 sqft at 2-3 inches of thickness (depending on type of rock desired).