Apps Like Ductulate HD for iPhone and iPad
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.
Ductulate HD screenshots
Ranked alternatives
Showing 141–160 of 1,000 ranked alternatives.


The Tape Measure・Ruler: Metrix
MobileTech OU
Measure objects with your phone
Measure objects by aligning them with the screen. Calculate furniture sizes for space planning. Use AR to scan rooms and get perimeter and square footage.

Concrete Calculator Elite
Cyberprodigy LLC
Calculate volumes and quantities
Helps estimate materials for various shapes. Users input dimensions to calculate volume and quantity. Features include slab, column, and post calculations. Saves results for future reference.

Concrete Help
Armchair Engineering
Calculate volume quickly
Calculate volume for holes, slabs, or tubes using precise equations. Choose input units from mm, cm, m, inches, feet, yards, or miles. Select output units including cubic mm, cm, m, inches, feet, yards, or miles. Adjust decimal places for precision.

Units: Unit converter
Andreas Maier
Convert and currencies instantly
Convert of measurement and currencies. Switch between currencies like USD, EUR, JPY, and GBP. Convert lengths, masses, volumes, speeds, areas, information, pressure, power, time, and temperature.

iUnit Measurement Conversion
Black Cat Systems
Convert between 1650 units easily.
The app converts between 1650 different units in 57 categories. Users can convert units for acceleration, area, energy, mass, temperature, time, and volume.


Kitchen Dial | Food Converter
Infinite Prospects, LLC
Convert measurements with a
Convert measurements with a interface for volume, mass, and temperature. Adjust portions, toggle between US, metric, Australian, and imperial units. Input numbers directly for precise conversions.

Hydraulic System Calculator
Trelleborg Sealing Solutions Germany GmbH
Calculate hydraulic system components easily.
The app calculates cylinder areas, volumes, forces, velocity, and time. It also computes motor and pump parameters, including flow rate, pressure, and power.


Stair Help
Armchair Engineering
Calculate staircase dimensions with precision
Calculate staircase dimensions with precise formulas. Input riser height and step depth to determine going, stringer, and base lengths. Choose units from mm, cm, or inches.


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.

Revic Ops
Revic, LLC.
Calculate ballistics for long range shooting
Calculate bullet trajectories using a Modified Point Mass Solution with 4 Degrees Of Freedom. Input ballistic coefficients or drag coefficients from Doppler radar analysis. Adjust for wind, elevation, and distance.

Air Transfer- Quick Files Drop
Samet PALET
Share , photos, and videos securely
Share photos, videos, and between Apple devices. Receive via AirDrop. Scan and save documents. Organize into folders. Locate nearby devices quickly. Ensure data security during transfers.

Ring Sizer – Ring Size Meter
AppLiks Sp. z O.O.
Measure rings with the white circle
Measure by matching the inner edge to the 's white circle. Adjust the slider to align the diameter or circumference. View results in metric or imperial units, including US, Canadian, and Australian sizing systems.

Unit Converter and Calculator.
Kemal Bakacak
Convert units across multiple categories
Convert units across 70+ categories and 1450+ units with real-time accuracy. Adjust settings for preferred units. Navigate through a user-friendly interface to perform quick and precise conversions.


Unit Converter 2021
巧春 魏
Convert units with clear categories
Convert units between different systems with accurate results. Select units from a comprehensive list, input values, and receive instant conversions. Support multiple categories including length, weight, temperature, and more.

Dive Calculator
Zanthic Automation Inc.
Calculate stats and manage gas mixtures
Perform scuba-related calculations for divers of all experience levels. Calculate ATA, SAC/RMV rates, tank volume, and pressure ratings. Convert units as needed. Determine EANx mix, top-up, and bleed-down calculations.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.