Ductulator
Free online ductulator for sizing of HVAC ducts.
Online Duct Size Calculator – Free HVAC Duct Sizer Tool (2025 Updated)
Instant HVAC duct sizing calculator. Enter CFM and get accurate duct diameter — free tool for MEP engineers.
Online Ductulator - Ocean HVAC
Convert Round duct to Rectangular Equivalent Diameter: inches Side 1: inches (must enter one side to get the other)
Duct Size Calculator - adicot.com
This digital duct size calculator provides estimates equivalent to traditional Ductulator tools, offering convenient online duct sizing for HVAC professionals and contractors.
HVAC Ductwork Sizing (with Calculator): How to Size Air Ducts Easily
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 HVAC Duct Sizing Calculator
Easily size ducts with our free online calculator. Efficiently design HVAC systems without cost. Try our user-friendly duct sizing tool today. Quick, free and precise!
mcquay duct sizer Download - HVAC/R & Solar
There are several resources available, including YouTube tutorials, that provide step-by-step instructions on how to use the McQuay Duct Sizer. These tutorials cover the basics of duct sizing, including how …
FREE Ductulator | Size Ductwork & Calculate Air Flow | h2x
Use this free Ductulator to calculate velocity, pressure loss, Reynolds number and friction for round or rectangular ducts in any unit.
Duct Sizing Calculator | HVAC Duct Size Calculator & Ductulator
Professional HVAC ductulator tool for calculating round and rectangular duct sizes based on airflow (CFM) and velocity. Get instant duct sizing recommendations with friction loss analysis. Need CFM …
HVAC Duct Sizer | Thermist
Calculate ductwork size, pressure drop, and velocity for round, rectangular, or oval ducts with Thermist's HVAC Duct Sizer. Utilizes ASHRAE guidelines and NIST data for accuracy.