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 121–140 of 1,000 ranked alternatives.
Wage Calculator- Hours Tracker
giang pham
Track , calculate wages, set rates
Track weekly income by recording and calculating pay. Set base and overtime rates per day or week. Add tips for each workday. Choose start day of week and track night shifts. Data auto-saves weekly and can be easily loaded.
AC Remote, Air Conditioner Pro
Matthew Clarke
Control AC temperature and modes remotely
Control air settings from a smartphone. Adjust temperature, switch modes, set timers, and change fan speed. Connect to multiple AC units. Compatible with various brands. Manage cooling or heating remotely. View and adjust schedules.
Transformer Calculator.
V PUGAZHENTHI
Calculate currents and determine type
Calculate primary and secondary full-load currents based on ratings and voltages. Determine turns ratio and type. Input phase type and voltage values to obtain current outputs and ratio calculations.
Mortgage Calculator +
Adam Fahlman
Calculate payments and savings
Calculate payments with weekly, bi-weekly, and monthly options. Input taxes, insurance, and utilities. Estimate interest savings from higher payments. View amortization schedules. Save and compare multiple calculations. Sync to iCloud.
Electrical Calc Elite
Cyberprodigy LLC
Calculate loads and circuits
Calculate loads, voltage drops, and conductor sizes according to NEC codes. Verify compliance for residential and commercial projects. Access code references for 2002–2023 editions. Perform wire sizing, panel scheduling, and circuit calculations.
Unit Converters in ft lb oz
SHIGETO TAKAGI
Convert units with simple input
Convert temperature, speed, length, weight, and capacity units. Input numbers to get instant results.
The Audio Toolbox
Innovate Audio LTD
Control QLab workspaces remotely
Allows control of QLab workspaces via WiFi, enabling start, stop, and cue selection. It includes a MIDI Tester for sending and receiving MIDI messages. Users can monitor levels, adjust EQ settings, and manage cue lists in real time.
Electrical Calculator Plus
Calc Hub, LLC
Calculate voltage, current, and power
Calculate properties using Ohm's Law, current, power, voltage, resistance, and horsepower formulas for DC and AC circuits. Convert units between volts, amps, watts, and ohms. Determine power factor and RMS voltage. Estimate voltage drop in systems.
Electrical Toolkit by HCP
Codefied Inc.
Calculate conduit bends and offsets
Calculate conduit bends with offset and 90-degree tools. Determine stub-ups, kicks, and compound angles. Create three and four-point saddles for obstacle navigation. Access NEC-compliant calculations and field-tested utilities for work.
Gear Simulation & Calculation
Heng Jia Liang
Simulate gears, calculate ratios, track speed
Calculate ratios, torque, and speed for train systems. Input teeth numbers and speeds to determine outputs. Simulate train operation instantly. Preview system functionality before 3D printing.
OFS Resources
Energy Fishing and Rental Services, Inc
Calculate free point and pipe length
Calculate free point constant and length of free pipe using pipe weight, pulling force, and stretch. View equations, save calculation results, and access annular velocity calculator.
Pipe Flow Wizard - Calculator
Daxesoft Ltd
Calculate rate and pressure loss
Calculate fluid rates and pressure loss in pipes. Determine diameter or maximum length based on rate and pressure drop. Find friction loss and rate using built-in formulas. Input dimensions and fluid properties for accurate results.
HVAC Pipe Sizer - Liquid
Carmel Software Corporation
Size pipe systems with liquid properties.
The app sizes pipe systems by inputting piping and liquid properties. It calculates results including pipe diameters, velocity, and head loss, and can email inputs and results.
AutoDens
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.
Calcat
sky-nexus Inc.
Calculate with a mew response
A calculator with cat sounds on equals. Tracks calculation steps and displays results. Allows input order calculations. Identifies mistakes during entry. Supports basic arithmetic operations.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.