Welcome to PondLinerCalc, the industry standard interactive structural engineering & 3D bathymetric estimating engine for DIY pond hobbyists, koi breeders, landscape designers, and commercial excavation contractors.
Our mission is to simplify the complex calculations required for pond construction. By providing an intuitive, interactive 3D drawing tool, we help you accurately estimate liner sheet dimensions, custom bathymetric depth terraces, suggested pump turnover rates, and Koi biological stocking load capacities.
Whether you're building a small garden water feature or a massive koi sanctuary, PondLinerCalc gives you the precision you need to build with confidence.