Calculate fan laws and size ducts
Fan Law Calculator allows users to input rpm, cfm, static pressure, and horsepower. Modifying one value recalculates the others. Ductulator helps size HVAC ducts by inputting shape, dimensions, air temperature, elevation, and roughness.
Showing 101–120 of 1,000 ranked alternatives.
Carmel Software Corporation
Size gas piping systems with precise inputs
Calculate gas piping system sizes for low-pressure applications. Input total flow, pressure drop, diameter, or velocity. Output exact and nominal diameters, calculated velocity, and total equivalent length.
Watsco, Inc.
Access product info and tools on
Access product information, view inventory, check parts lists and supersedes. Review documents, verify warranty details, and track order status. Retrieve technician-specific data and update job progress in real time.
Roman Voglhuber
Calculate savings time based on income
Calculate the time needed to achieve financial freedom by inputting income, expenses, and savings. View charts and tables showing annual savings progress. Set or financial goal timelines based on provided data.
Priyankaben Satashiya
Calculate optimal sheet cuts for materials
Calculate material waste by inputting sheet size and cutting pieces to generate an optimal layout. Support multiple materials including plywood, acrylic, and glass. Export layout plans for efficient cutting.
BALLISTiQ CJSC
Calculate bullet paths and adjust windage
Calculate bullet drop, wind drift, and elevation for precise shooting. Input custom bullet weight and muzzle velocity. Sync with devices for real-time data. Adjust for windage and elevation. Track performance metrics. Export shot data for analysis.
Cristinel Bontas
Calculate margin, price, and costs
Calculate margin, selling price, or cost based on three variables. Determine markup and gross profit. Include tax calculations. Display results clearly. Free version includes ads.
Nimoh Scientific Limited
Calculate trajectories and adjust for wind
Calculate bullet trajectories using Point Mass, Siacci, and Pejsa methods. Input environmental factors like wind and elevation. Adjust for bullet drop and muzzle velocity. Export data to CSV. Sync with external devices for real-time adjustments.
Carmel Software Corporation
Calculate properties instantly
Calculate properties for saturated and superheated with pressure, temperature, and enthalpy values. Access HVAC equipment locator features. View property and charts. Export data and share results.
The Energy Conservatory
Building envelopes and duct systems remotely
Perform airtightness tests by connecting to a DG-1000 or DG-700 pressure gauge. Collect and store data from the gauge and flow device. Enter building and customer details manually. Calculate and display results in a PDF report.
铠宁 雷
Calculate molecular weight instantly
Calculate molecular weights with a dedicated organic chemistry calculator. Long-press elements for details. Input elements, numbers, and parentheses for real-time results. Access a full-sized periodic table with combined periods 1, 2, and 3.
Thomas VanSlambrouck
Wire subwoofers, calculate cone area, suggest amplifier
Calculate subwoofer voice coil wiring for single, double, and quad configurations. Determine subwoofer cone area. Suggest amplifier power and car electrical system requirements. Include subwoofer box calculators and Ohms Law tools.
Izumi Consulting,Inc.
Select duct sizes intuitively and simply.
The app calculates appropriate duct sizes based on airflow, static pressure, and air velocity. It displays selected duct shapes graphically and supports both rectangular and round ducts.
Pro Certs Software Ltd
Calculate power, current, resistance, voltage.
The app calculates voltage, current, resistance, and power. Users input any two values to determine the remaining two using Ohm's Law formulas.
sky-nexus Inc.
Calculate with cute wallpapers and track input
Calculate with a customizable Japanese cute wallpaper. View calculation steps and instantly detect errors. Save results and access a simple, intuitive interface for everyday use.
National Refrigerants, Inc.
Calculate pressure and temperature
Calculate pressure and temperature values for refrigerants. Input pressure or temperature to automatically compute the other. Display superheat and subcool values. Show saturated vapor and liquid values for blends. Switch between refrigerant types.
V PUGAZHENTHI
Calculate and engineering parameters
Allows users to perform calculations for and engineering parameters. It includes formulas and definitions for each calculation. Users can compute force, friction, centripetal force, work, power, displacement, and more.
Mohamed Saad
Calculate metal weight offline
Calculate metal weights with support for multiple metals, shapes, and units in both metric and imperial systems. Perform offline calculations without background processes. Save settings and favorite calculations.
Muralidhar Shenoy
Evaluate fan specs and calculate duct
Evaluate fan specifications based on flow rate, static pressure, shaft power, and efficiency. Calculate average duct velocity, pressure loss, and leakage rates. Create and save multiple fan-duct system applications for analysis and review.
Calc Hub, LLC
Calculate materials accurately
Calculate material needs for patios using seven estimators: concrete slab, pavers, paver base, polymeric sand, sand & gravel, area, and volume. Input dimensions in inches, feet, yards, centimeters, or meters.
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