Apps Like DuctSizer for iPhone and iPad
Calculate duct sizes with finger slide
Calculate duct sizes quickly with finger sliding for precise measurements. Display equivalent round and rectangular dimensions. Support IP and SI unit conversions. Perform accurate calculations for efficient system design.
DuctSizer screenshots
Ranked alternatives
Showing 481–500 of 1,000 ranked alternatives.


Electronics Reference Toolkit
Ha Do Thi Thu
Calculate resistors, voltage, and capacitance
ElecKit provides tools for calculations. Users can calculate resistor values with 4/5 band codes and tolerance. It includes Ohm’s Law functions for voltage, current, resistance, and power.




ConvertCalc
Michael Riehl
Convert units and calculate values
Allows users to perform calculations and unit conversions within a single . It supports over 200 units across various categories. Users can input equations, view results, and convert units instantly.

Pool Service Log & Calculator
Verosocial Studio
Calculate in gallons or liters
Calculate in US Gallons, Imperial Gallons, or Liters for square, rectangular, free form, circular, oval, and elliptical shapes. Convert feet to meters, temperature, pressure, flow rate, and gallons to liters.

Convertir
Igor Shevchenko
Convert units instantly and accurately
Convert units for length, weight, temperature, volume, and more. Input values and select units for instant conversion. Access a clear interface with accurate results and quick access to common conversions.

Piping Fitting & ASME Toolbox
Ashvin Kevadiya
Access pipe data and calculate engineering specs
Access standards for flanges, fittings, and valves. Calculate pipe safe span, flexibility, and spacing. Retrieve pipe dimensions by schedule and wall thickness. View detailed and valve sizes. Use engineering calculators for precise data.

Southwire® Conversion Calc
Southwire Company
Convert copper to aluminum and vice versa
Convert between copper and aluminum measurements using built-in factors. Calculate pricing per unit length and weight for different cable types. Preloaded with multiple cable options for quick calculations.

LensTutorial
Alf Jorgen Bratane
Simulate lenses, view calculations
Learn about photographic lenses through interactive simulations. Adjust aperture, focal length, and focus distance to visualize their effects. Calculate depth of field and view real-time changes.

Physics Toolkit Pro
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

Flange Hole Marker Calc
Nanjibhai Gorasiya
Calculate positions
Calculate positions with equispaced calculator, angled placement tool, and equivalent count converter. Input dimensions and angles to generate precise measurements. Export results for use in workshop or design processes.

Concrete Calc Pro
Volodymyr Budnichenko
Calculate needs accurately
Calculate materials for slabs with precise volume and quantity estimates. Input dimensions and select units. Convert measurements and view results in cubic meters, yards, or feet. Export data for project planning.

Pipe Flow Liquid Flow Rate
Daxesoft Ltd
Calculate with pressure loss data
Calculate fluid in pipes using the Darcy-Weisbach equation and Colebrook-White friction factors. Input pressure loss, diameter, and length to determine . Account for friction and fitting losses with K values. Export results and save calculations.


Pipe Offset Assistant
H3Apps LLC
Calculate lengths and send results via text
Calculate travel and run lengths using simple or rolling offsets. Input angles to determine material requirements. Export results via text or email.

Pocoyo Playset - 3D Shapes
ANIMAJ INVESTMENT SPV SAS
Learn through games and activities
Learn to name and identify 3D like cubes, cones, spheres, pyramids, cylinders, and rectangular prisms. Explore their properties through interactive games and activities. Sort, compare, and construct to reinforce understanding.

Soil and Earthwork Calculator
V PUGAZHENTHI
Calculate properties and parameters
Provides tools for mechanics and civil engineering. Users can calculate water content, void ratio, degree of saturation, porosity, and more. Includes excavation, compaction, and thrust calculations. Supports Imperial and Metric units.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.