Describe your project and get the concrete recipe that fits it.
One sentence is enough: what you build, where it stands, how big it is. CreteLab reads the requirements, calculates the recipe after Zement-Merkblatt B 20 and tells you whether bags, mixing it yourself or ready-mixed concrete fits best.
Your description is analysed, not stored. The language model runs on our own server.
Tools
Plan a component
Foundations, slabs, walls, posts: requirements, amount and three ways to make it, with every setting.
Open the planner →Fine concrete
Planters, bowls, tables with thin walls: published fine-mortar recipes scaled to shape and size.
Open fine concrete →Adjust a ready mix
What would more cement, fly ash or a plasticiser do to a bag of ready mix? An estimate with honest limits.
Open the tool →