This tool instantly calculates pipe sizes for plumbing, HVAC, and construction professionals. It eliminates the need for charts or internet access, providing quick and accurate results on job sites to prevent errors and improve efficiency.






10+ similar apps compared and reviewed
Looking for something like HMT Calc? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.












This tool instantly calculates pipe sizes for plumbing, HVAC, and construction professionals. It eliminates the need for charts or internet access, providing quick and accurate results on job sites to prevent errors and improve efficiency.









This utility app helps calculate key centrifugal pump performance metrics like head, suction, and friction loss. It also suggests suitable pumps from a catalog and allows saving and sharing results. It's designed for field use on Apple devices, functioning offline.


This app assists electricians and conduit workers with rapid bend calculations in the field. It offers various calculators for different bend types, providing detailed marks, spacing, and step-by-step instructions for efficient conduit work.


This app provides professional HVAC load calculations for contractors, offering three levels of accuracy from quick estimates to detailed Manual J calculations. It's designed for field use with an intuitive interface, offline capabilities, and professional report generation.


This app provides professional HVAC duct sizing and psychrometric calculations in a single tool. It offers detailed calculations for various duct types and materials, along with comprehensive humid air property analysis. Designed for HVAC professionals, it replaces traditional ductulators with accurate digital functionality.


This app offers three specialized modules for HVAC engineers: a psychrometric calculator for air properties, a pipe calculator for fluid dynamics and selection, and a duct calculator for air speed and pressure loss. It provides detailed calculations and reference formulas in both SI and IP units.