Apps Like Ductulator - Duct Sizing for iPhone and iPad
Size ducts by friction rate or velocity
Calculate sizes for rectangular and circular ducts by inputting maximum friction rate or velocity. Switch between calculation methods by tapping values. Convert between I-P and S-I units using a toggle switch. Export results for reference.
Ductulator - Duct Sizing screenshots
Ranked alternatives
Showing 421–440 of 1,000 ranked alternatives.


Thermo Diem
Mickey DeLorenzo
Weather context beyond simple numbers.
The app provides context for weather by comparing apparent temperature to previous and future days. It uses Robert Steadman's formula to calculate thermodynamic heat balance, considering humidity, wind, and solar radiation.








Flow Rate Conversion
Tan Chia Ling
Convert rates between units
Convert rates between volume-based, mass-based, and mole-based units. Input values and select units for . Display results in standard and scientific notation. Save and share converted values.

CNC Lathe calculator
Kunshan Nianyueri Information Technology Co., Ltd.
Calculate arc tangents and program parts
Calculate tangent points for arcs and generate real-time machining programs. Support cutter compensation and common part structures. Measure and program standard machining operations.

Dough Temperature Calculator
Dim Sum Thinking, Inc
Set with water adjustment
Calculate the desired for bread baking by inputting the temperatures of your kitchen, flour, and sourdough starter. Adjust water to achieve the target . Track and log baking conditions for consistent results.


Fan Law Calculator
Pheinex, LLC
Calculate fan performance changes
Calculate performance changes based on airflow, rpm, pressure, and current. Input values to get real-time updates. Adjust variables to estimate new system performance metrics.



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