Calculate air flow and duct sizes
Calculates air volume, pressure loss, velocity, and duct size for rectangular or round ducts. Supports both imperial and metric units. Users input values to determine required dimensions and system performance.
Showing 21–40 of 1,000 ranked alternatives.
Alan Mrvica
Convert units with simple design.
The app offers a unit converter with 20 categories and numerous units, including live currency updates for 155 world currencies. It converts angle, area, data, energy, length, temperature, time, volume, weight, and more.
Calc Hub, LLC
Calculate materials for projects
Calculate materials with 10 tools for gravel, soil, mulch, concrete, pavers, retaining walls, grass seed, sod, area, and volume. Input dimensions in inches, feet, yards, centimeters, or meters. Output results in US customary or metric units.
Carmel Software Corporation
HVAC duct sizing analysis application tool
The app sizes HVAC duct runs or a range of duct sizes using the constant friction method. Users can input airflow, dimensions, or a range of sizes to calculate results in English or Metric units.
Calculated Industries, Inc.
Try before you buy with free trial
Perform length calculations, determine fittings angles, and estimate material requirements. Access schedules, standards, and industry-specific data. Convert units and calculate pressure drops. Save and export calculation results.
Rome Rock LLC
Convert units between metric and imperial systems
Convert units between metric and imperial systems including area, distance, speed, temperature, volume, time, weight, energy, and power. Calculate area, speed, distance, and volume with supported units. Switch between units quickly and accurately.
Air Conditioning Contractors of America
HVAC duct sizing the easy way.
The app provides HVAC duct sizing using ACCA's Manual D, the ANSI standard for residential duct design. It offers features like zooming, locking the wheel, and taking snapshots for reference.
Alan Cave
HVAC duct sizing for professionals.
The app calculates duct sizes for HVAC design professionals. It provides a list of even sized ducts that meet design criteria, allowing users to review options at various aspect ratios.
Southwire Company
Calculate pressure drop and fluid velocity
Calculate pressure drop, fluid velocity, Reynolds number, and friction factor for liquids and gases. Create custom projects, add and edit pipes, fluids, and fittings. Switch between metric and imperial units. Share calculations with other users.
Scott DeSapio
Convert units across 16 categories
Convert units across 16 categories with instant accuracy. Switch between hundreds of units for length, weight, temperature, and more. Calculate conversions for cooking, engineering, travel, and study.
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TranCreative Software
Convert units, calculate, and edit templates
Convert units and currencies across hundreds of categories with real-time exchange rates updated every 6 hours. Calculate mortgages, loans, tips, and fuel consumption. Edit, create, or download customizable templates for various conversions.
Calculated Industries, Inc.
Solve U.S. and metric unit conversions.
The app converts U.S. and metric units for measurements, including linear, area, and volume dimensions.
TopHatch, Inc.
Sketch, organize, and design ideas
Create vector-based sketches and designs on an infinite canvas. Sketch plans, make notes, and draw storyboards. Organize ideas with mindmaps and doodles. Iterate and experiment with designs. Export and share work.
oWorld Software
Convert currencies, weights, and units instantly
Convert units for currency, weight, length, volume, and temperature. Input values and select units for instant . Access real-time currency rates. Share results or copy to clipboard for quick use.
Trond Rossvoll
HVAC calculations for building energy use.
The app performs HVAC calculations for building energy use. It helps users calculate SFP, temperature efficiency, air velocity, duct dimensions, and pressure drop.
Justin Bush
Calculate CFM, size compressors, analyze pressure drops
Calculate CFM requirements for air actuators with real-time results. Size compressors and air receiver tanks based on system needs. Analyze pressure drops and optimize pneumatic systems with engineering-grade calculations.
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