Gravel Calculator Plus is a free iPhone app developed by Calc Hub LLC. This utility and tools program allows users to estimate the amount of gravel, stone, rock, sand, topsoil, and aggregate needed for landscaping and hardscape projects. With this app, users can quickly and accurately calculate the required amount of materials for their projects.

The app provides outputs in tons, cubic yards, and cubic meters, making it convenient for users to choose the appropriate unit of measurement for their needs. Gravel Calculator Plus is built on the calculators at Inch Calculator, a trusted source for material estimation used by millions of people worldwide.

Whether you're a professional landscaper or a DIY enthusiast, Gravel Calculator Plus is a handy tool to have for any project that requires estimating the amount of gravel and other materials. With its user-friendly interface and accurate calculations, this app simplifies the process of material estimation, saving you time and effort.