Terms of Service

Last updated 2026.

Use at your own judgment

Hem & Thimble's calculators and reference guides are provided for general informational and planning purposes, based on standard, commonly published sewing and quilting conventions. They are not a substitute for careful judgment, a test swatch, or your own pattern's specific instructions.

No warranty

This site is provided "as is" without warranties of any kind, express or implied. We do not guarantee that any calculator's output is error-free or appropriate for every fabric, pattern, or machine.

Limitation of liability

To the fullest extent permitted by law, Hem & Thimble and its owner are not liable for any damages arising from the use of this site's calculators, guides, or reference data.