Apps Like Greenheck Toolbox for iPhone and iPad
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.
Greenheck Toolbox screenshots
Ranked alternatives
Showing 341–360 of 1,000 ranked alternatives.


Calculator Notes - Spreadsheet
FugaPiyo Inc.
Calculate totals, organize , share files
A productivity for organizing and items with unlimited folders. Automatically calculates totals and supports CSV export. Set goals with deadlines and track progress. Perform batch operations, filter, and sort data.

kVA Calculator
Pro Certs Software Ltd
Calculate kVA, kW, and Amps
Calculate kVA, kW, Amps, Volts, and Power Factor using single or three-phase formulas. Input two values to determine the third. Convert between kVA, kW, and Amps. Supports UPS, generator, and transformer calculations.


Lomanco Vent Tools
Lomanco, Inc.
Calculate vents, share results, find options
Calculate attic ventilation needs by inputting roof dimensions and pitch. Select intake and exhaust types. Access soffit panel specifications and whirlybird base pitch guidelines.



Universal Converter.
V PUGAZHENTHI
Convert units across 64 categories
Convert units across 64 categories with 1333 units and 53742 conversions. Switch between acceleration, angle, area, and other measurements. Find color codes and convert cooking measurements.





Rebar Grid Calculator
H3Apps LLC
Calculate layout and quantity
Calculate requirements for concrete slabs by entering dimensions, spacing, and edge distances. Determine layout and quantities needed. Switch between imperial and metric units. Export results via text or email.


Pipe Flow Gas Pipe Length
Daxesoft Ltd
Calculate for pressure loss
Calculate maximum based on rate, pressure loss, and diameter. Input elevation changes and select valves & fittings. Display comprehensive results including pressure drop and calculations.


Simple Calculator・Easy & Cool
Futoshi Niiho
Calculate with precision
Calculator allows users to perform basic arithmetic operations. It features a clean interface with minimal buttons. Users can add, subtract, multiply, and divide numbers.


nRF Toolbox
Nordic Semiconductor ASA
Bluetooth Low Energy accessory demonstration application.
The app demonstrates Bluetooth Low Energy profiles including Heart Rate Monitor, Blood Pressure Monitor, and Health Thermometer. It connects with a variety of BLE accessories and shows data from devices like Glucose Monitors.

Kinematics Calculator SUVAT
Paul Friedel
Calculate motion with minimal input
Calculate kinematic movements with step-by-step structuring. Input parameters for constant velocity or accelerated motion. Solve linear or rotational movements with minimal data. Support multiple units and variations.
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