Showing 1–20 of 1,000 ranked alternatives.
Greenheck Fan Corporation
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.
Southwire Company
Calculate and wire size
Calculate for a specific conductor run or determine wire size based on and current carrying capacity. Limits wire size to and NEC ampacity. Supports AWG and KCMIL sizes only.
Tim O's Studios, LLC
Calculate with large buttons and clear display
A calculator with large buttons and a clear display for efficient calculations. Supports basic arithmetic operations. Includes a Retina Display for improved visibility.
Christie Clark
Calculate with large buttons and clear display
A calculator with a clear display and large buttons supports functions. Switch between portrait and landscape modes on iPad. Perform simple calculations without additional features.
Wassim Murr
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.
Lindsay Corporation
Convert units and calculate system metrics
Perform calculations for hydraulics, depth, friction loss, wire sizing, application rates, rotation time, system flow rates, and area. Convert between metric and US units. Use yield converter for unit conversions.
Cyberprodigy LLC
Wire diagrams, pinouts, calculate electricity
Access electrical wiring diagrams for switches, fans, and outlets. Calculate grounding conductor sizes. View diagrams for 3-way switches, 4-way switching, GFCI, and more. Includes NEC 2014 to NEC 2023 standards.
Tue Nguyen Minh
Edit files, manage data, and organize tasks
Manage files with drag-and-drop organization. Access a flashlight with adjustable brightness. Use a calculator, note taker, and screen recorder. Includes calendar, timer, and widget tools. Sync data across devices.
SuperDG Inc.
Calculate, edit, and track entries
Perform arithmetic operations with a simple interface. View current calculations and track history. Supports universal device compatibility. No advanced or engineering functions included.
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