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 1–20 of 1,000 ranked alternatives.


Calculator₊
Impala Studios B.V.
Calculate, edit, and track equations
Perform basic arithmetic operations including addition, subtraction, multiplication, and division. Access scientific functions for advanced calculations. Convert units between different measurement systems.

Basic Calculator+
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.

Calculator - Pad Edition
Ratha Sou
Calculate in portrait, science in landscape
Perform basic calculations in portrait mode and scientific calculations in landscape. Use root, power, factorial, exponential, division, logarithm, and trigonometric functions. Features a flat UI design similar to built-in iOS apps.

Calculator‰
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.

Ductulator - Duct Sizing
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.

Duct Calculator
Pheinex, LLC
Calculate size and performance
Calculate size for round or rectangular ductwork. Adjust airflow, diameter, width, or height using sliders. Enter values directly for precise measurements. Lock friction calculations for accurate results.

Calculator for iPad₊
Impala Studios B.V.
Calculate and share equations instantly
Perform complex mathematical calculations using scientific functions and simple arithmetic. Calculate percentages, taxes, and financial figures. Save and share results with others. Syncs with iPad and iPhone.

Construction Master Pro Calc
Calculated Industries, Inc.
Try before you buy
Calculate measurements and perform unit conversions for projects. Perform trigonometric calculations and angle measurements. Access a full user guide and use built-in formulas for precise calculations.

Calculator Air: AI Math Solver
AIR APPS SYSTEMS, UNIPESSOAL, LDA
Solve problems instantly
Solve problems with a scientific supporting arithmetic to calculus. Use photo to scan and solve equations. Access an AI homework helper for step-by-step solutions. Perform unit conversions and function calculations.

Calculator HD Pro Lite
Cider Software LLC
Calculate with dual-line display and multi-line input
A with dual-line display showing input and result. Supports multi-line equations and tap-to-move cursor. Saves calculation history with timestamps and labels. Allows emailing calculations and swiping to review previous entries.

Graphing Calculator X84
An Truong
Calculate and graph mathematical expressions
Solve equations and graph functions with advanced math support. Perform calculus operations and matrix calculations. Customize settings for precision. Access detailed tutorials and a comprehensive user manual.

NCalc Scientific Calculator +
Tran Duy
Calculate, graph, convert, solve
Allows users to perform complex calculations with a natural display that shows expressions as written. It supports fractions, roots, and exponents. The includes a graphing module for visualizing equations.

Tape Measure®
AI Photo Editor Lab SRL
Measure objects with AR precision
Measure distances using augmented reality or direct phone contact. Calculate surface areas and angles. Create floor plans and save measurements. Share results via email or messaging.

Fraction Calculator Plus #1
DigitAlchemy LLC
Calculate fractions, add, subtract, divide, multiply, convert
Calculate fractions with addition, subtraction, multiplication, and division. Convert fractions to decimals. Adjust recipe quantities for different serving sizes. Review math problems and convert measurements between cups and teaspoons.

Calculator #
An Truong
Calculate, graph, and solve equations
Perform complex calculations with a powerful math core and algebra engine. Display mathematical expressions with proper formatting. Solve equations, graph functions, and convert units. Access scientific, financial, and programming calculators.

Construction Master 5 Calc
Calculated Industries, Inc.
Try before you buy with free trial
Calculate measurements in feet, inches, and fractions. Convert between units and perform complex calculations. Store frequently used values and recall previous entries. Adjust for slope and pitch. Export results to email or cloud storage.

Concrete Calculator Plus
Calc Hub, LLC
Estimate and materials for slabs, walls, columns,
Estimate volume for rectangular, circular, and stepped slabs, footings, columns, walls, and steps. Calculate block and CMU quantities for walls. Estimate mortar mix materials and rebar amounts. Determine gravel needs for bases.

Duct Calculator Elite
Cyberprodigy LLC
Calculate size, velocity, and pressure drop
™ lets users input airflow, velocity, or friction to determine size. Calculate pressure drop and flow rate. Input dimensions for custom shapes. Export results and save calculations.

Calcbot 2
Tapbots
Review calculations and send them back
Lets users perform calculations and convert units with an easy-to-read history tape and expression view. Save and reuse previous calculations. Convert between units intuitively. Sync with Apple Watch for on-the-go use.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.