Home News and Resources Digital Tools Digital Tools High performance with high integrity is key to sustainable success. We believe that success in doing business goes hand-in-hand with adherence to competition law rules and acting with integrity. Holcim+ Manage orders, deliveries and projects through our efficient app. Holcim+ Concrete Manage your ready-mix concrete orders and deliveries through our AI app. Carbon Calculator Save on your emissions with our Concrete CO2 Saver Calculator Aggregate Calculator Calculate the amount of Aggregate product needed to complete your project. Asphalt Calculator Calculate the amount of Asphalt needed to complete your project. Readymix Calculator Calculate the required ready-mix concrete to complete your project with our handy tool. Sands Calculator Calculate the amount of sand required to complete your project using our tool. Screed Calculator Calculate the amount of screed needed to complete your project.