Ductulator - Duct Sizing
Ductulator - Duct Sizing is #28 in Productivity Paid in United States and charting in 3 of 24 countries we track.
DeveloperWassim Murr
CategoryProductivity
Price3.99 USD
Released
Rating★ 4.7 (344)
Version3.5
Age rating4+
First charted🇺🇸 24 Sep 2026
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| 🇺🇸 United States | ProductivityPaid | #28 |
| 🇹🇭 Thailand | ProductivityPaid | #22 |
| 🇦🇺 Australia | ProductivityPaid | #84 |
Members see more
Sign inEstimated downloads and revenue, ratings momentum, rank history, recent reviews per country and breakout scores for Ductulator - Duct Sizing.
About Ductulator - Duct Sizing
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.
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.
Latest updates
3.5
* UI Improvements and minor bug fixes.