Ductulator vs Derated

Size HVAC ducts instantly using airflow, friction or velocity. Get accurate duct dimensions in seconds — no charts required. • Get a range of suitable duct sizes based on friction rate or velocity. • Get multiple valid duct dimensions instantly. • Tap on Friction Rate or Velocity to toggle between calculation methods. • IP and SI units. • Detailed sizing mode to adjust the duct dimensions and air flow rates. • Supports rectangular, circular and flexible ducts. • Automatic friction and velocity updates. Calculations are based on standard air 0.075 lb/ft3 (1.2 kg/m3) in clean galvanized steel or non-metallic flexible ducts. Any feedback is welcome, and will be the basis for future updates.

Experience the simplicity of Derated, a cutting-edge conduit fill calculator designed with electricians in mind. This intuitive app goes beyond the basics, allowing you to effortlessly calculate conduit fill while simultaneously derating wires' ampacity. All in real-time. Adhering to the guidelines of the National Electric Code® (NEC), Derated simplifies complex calculations, providing accurate results without the hassle of load screens. Choose from various raceways and insulations outlined in the NEC, with dimensions and conduit/tubing area references from Chapter 9, Table 4. Insulated conductor dimensions are sourced from Chapter 9, Table 5. Setting up calculations is as easy as QuickBend, ensuring a straightforward process for adding sets of wires. The results are not only accurate but also easily shareable. Whether you're collaborating with colleagues or explaining a wire pull to a client, Derated streamlines communication by sharing results effortlessly.