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 101–120 of 1,000 ranked alternatives.
Chrystian Vieyra
Measure, record, and analyze data
Measure acceleration, orientation, and motion with built-in sensors. Record and analyze real-time data for experiments. Detect and generate sound tones. Visualize audio waveforms. Export measurements and graphs for scientific use.
Phan Nhat Đang
Calculate stairs parameters and steps
Calculate parameters based on run or total run input. Support multiple units for measurements. Determine maximum and minimum step sets. Copy results to clipboard. Access all features with unlimited subscription.
Brook Wallace
Convert units for temperature, length, mass,
Convert units for temperature, length, mass, mole, area, volume, time, velocity, acceleration, density, molar density, molar volume, force, pressure, energy, power, mass flow, mole flow, volume flow, heat capacity, molar heat capacity, latent heat,
Vadim Fattakhov
Calculate tension, track depth, determine pressure balance,
Calculate maximum safe tension, determine wellhead pressure balance, and find keyseat location. Compute cable elongation and pull limits at depth. Adjust lengths for temperature changes.
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.
Optobyte AG
Calculate air density in real time
Calculates air density, relative humidity, and air pressure automatically. Displays geographic position, temperature, dewpoint, elevation, and barometric pressure. Supports airport and manual input modes.
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.
汇杭 钟
Convert units and track currency rates
Convert units across length, area, volume, angle, mass, pressure, and more. Check real-time currency exchange rates. Recalculate instantly with updated values. Save frequently used conversions for quick access.
Calculated Industries, Inc.
Calculate volume for slabs, footings, and walls
Calculate volume for slabs, footings, columns, walls, and stairs in cubic yards, feet, or meters. Estimate needed, determine weight and bag requirements. Calculate rebar spacing and truckloads.
PawEng, LLC
Access electrical codes and standards
Access electrical codes and standards for residential, commercial, and industrial applications. Search for wiring diagrams, safety protocols, and equipment specifications. View detailed explanations of electrical systems and components.
Calc Hub, LLC
Calculate materials and estimate costs for paving
Calculate , base material, and sealcoat quantities for paving projects. Input dimensions in various units and receive results in tons, cubic yards, or cubic meters. Estimate material costs based on input measurements.
Evan Winograd
Calculate volume for construction projects
Calculate volume for foundations, slabs, and structural elements. Input dimensions in feet, inches, or metric units. Automatically compute required quantity. Display results in cubic yards or cubic meters. Save and share calculations.
Cyberprodigy LLC
Calculate with fractions and units
™ allows users to perform fraction calculations and convert between decimals and fractions. It supports degree, minute, and second conversions. Users can handle unit conversions and calculations with dimensional units.
Larry Owens
Calculate rates and hydrant max
Calculate rates of hydrants and assess maximum water system using the Hazen-Williams formula. Input pipe diameter, length, and pressure to determine . Results displayed in imperial units.
Electronial
Calculate formulas and values
Perform calculations using built-in calculators for displacement, acceleration, Newton's second law, gravitational acceleration, Hooke's law, momentum, work, density, kinetic energy, potential energy, elastic energy, electric power, wavelength, and
FutureSight Studios Ltd
Calculate flow rates instantly
Calculate flow rates using open channel methods. Select weir, flume, or channel type. Input dimensions and head or velocity. Get instant results. Sync with devices for field or office use.
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