Tisha’s Tools

Free Calculators for Installers.
Practical measurement, cutting, and layout calculators for window installers, finish carpenters, and other tradespeople.

Free to use. No registration required.

Developed by Vinyl Window Pro Inc.
— Calgary, Alberta, Canada.

These calculators are intended as practical measurement
and layout aids. Always verify field measurements,
cutting dimensions, and angles before fabrication
or installation.