Tools
Practical calculators for the virtual shipyard. Each tool is a separate page and works independently — use only the one you need.
Rope diameter calculator
Calculate a rope from a thread
Estimate the diameter of a three-strand rope from a catalog thread or a custom dTex, or find threads that match a target diameter.
Open rope calculatorRigging diameter calculatorEstimate rigging diameters
Estimate scale-model diameters of standing and running rigging, spars, anchor gear and gun gear from your model's key dimensions.
Open rigging calculator