Jun 3, 2025 · Our Ductwork Calculator, which some call a ductulator, gives accurate results for duct sizing diameter when the right information is plugged into it.

Free online ductulator calculator for HVAC duct sizing, velocity, friction loss, and round to rectangular duct equivalency calculations.

Free online ductulator for sizing of HVAC ducts.

Save time on the job and do less manual math by using our free, online ServiceTitan Ductulator to easily calculate the right size duct for your projects. Below we walk through the various …

Nov 4, 2025 · Accurate HVAC duct sizing calculator for airflow, velocity, and pressure drop. Optimize duct dimensions for efficient heating and cooling systems.

This digital duct size calculator provides estimates equivalent to traditional Ductulator tools, offering convenient online duct sizing for HVAC professionals and contractors.

Our comprehensive HVAC duct calculator supports both imperial and metric units, helping contractors and homeowners worldwide determine optimal duct sizes, calculate airflow rates, …

Apr 6, 2025 · Easily calculate HVAC duct size and estimate installation cost based on airflow requirements and duct dimensions. Proper ductwork design is crucial for efficient HVAC …

Easily calculate ductwork surface area, volume, insulation perimeter, and material costs with our free Duct Work Calculator tool.