StitchTip calculator
Buttonhole spacing calculator
Use the buttonhole spacing calculator as a focused planning tool with transparent inputs and results.
How this tool works
The calculator applies the shared validated engine assigned in the StitchTip registry. Inputs stay editable, results show practical whole counts or clearly rounded measurements, and estimates are labelled.
Example calculation
The prefilled values provide a complete worked example. Change them to match your own yarn, gauge, dimensions, time or pricing assumptions.
Frequently asked questions
Is this result exact?
Exact arithmetic is shown directly. Geometry, yarn and time estimates also depend on the assumptions described beside the result.