Best Airflow Calculator Apps

0.0(0 ratings)

Free

Air Velocity and Flow Calc by Dwyer Instruments, Inc.

Strong Contender

3.0(4 ratings)

Free

This utility app simplifies air velocity and flow calculations using Dwyer Pitot Tubes. It supports both US and Metric units for quick spot checks.

Air Flow Conversion Calculator by Nitrio

Air Velocity & Airflow Volume

Worth Considering

HVAC & Sheet Metal Calculator

3.5(11 ratings)

$2.99

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Easily calculate air velocity and airflow volume for various duct types. Input dimensions and units, and get instant results for HVAC and ventilation applications.

More Airflow Calculator apps to explore

Construction Math & Trade Pro

Sheet metal calculations (radius, offset, wrapper length)Trigonometric functions (sine, cosine, tangent, arc)HVAC specific calculations (fan law, CFM, velocity)

This app provides advanced calculations for HVAC and sheet metal professionals. It simplifies complex dimensional math, geometry, and trigonometry with specialized functions for ducting, airflow, and construction layouts. Offers a free trial before committing to a subscription.

free with in-app purchases

(87)

HVAC Duct Calculator

Duct sizing made simple

Easy air volume calculator

Calculate air velocity (FPM)Calculate air volume rate (CFM)Log measurements by location

Easily calculate and log air volume measurements for efficient airflow in cotton gins and other air-based systems. Input pressure and pipe dimensions to get air velocity and volume rates, then log and share your data.

This tool assists HVAC professionals and students with quick and precise calculations for duct sizing, airflow velocity, and airflow rate. It works offline and features a user-friendly interface for efficient project work.

Duct size calculationAirflow velocity (FPM) calculationAirflow rate (CFM) calculation

Quickly estimate performance changes in HVAC systems based on variations in airflow and RPM. Uses standard fan law equations for calculations. Input current values and see results update instantly.

Estimate airflow and RPM impactUses standard fan law equationsAutomatic calculation updates

📊 Productivity

(4)

paid

Cotton Gin Air Calculator

by MARTIN Mehner

Air velocity calculationAir volume calculationPitot tube velocity pressure input

This utility app calculates air velocity and volume in ducts using pitot tube readings. It's designed for industrial applications, assuming standard air conditions. Measurements are taken in inches of water column and duct diameter.

Calculate CFM, ACH & Filters

HVAC Calculator - FieldCalc

Superheat, R-454B & Duct Tools

Pressure Drop & Friction Rate

Air Duct Size Calculator

SCADACore AGA Flow Calculator

by SCADACore Inc.

Orifice Meter gas flow calculationAGA 8 compressibility calculationsAGA 3 gas flow calculations

Calculate gas flow through an Orifice Meter using AGA 8 compressibility and AGA 3 flow calculations. Supports both metric and imperial units, remembers input values, and generates shareable PDF reports.

by S&P SISTEMAS DE VENTILACION SL.

Diameter conversion (circular to rectangular)Ventilation parameter calculation (diameter, speed, airflow, pressure)Pressure drop calculation for straight sections and system elements

This utility app performs essential calculations for ventilation systems. It offers tools for converting duct sizes, determining air parameters like speed and airflow, and calculating pressure drops. It also includes a unit converter for various measurements.

HVAC Duct Sizing Calculator

📊 Productivity

Ductulator - Duct Calculator

HVAC Airflow Sizing & Design

Duct sizing for round, rectangular, and flexible ductsFittings pressure drop calculationPsychrometric analysis with interactive chart

This app provides professional HVAC duct sizing and psychrometric calculations in a single tool. It offers detailed calculations for various duct types and materials, along with comprehensive humid air property analysis. Designed for HVAC professionals, it replaces traditional ductulators with accurate digital functionality.

free with in-app purchases

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Whole-House Ventilation Calc

by GTR Technologies Inc

Calculate required ventilation rateMeets ASHRAE 62.2-2019 standardsInput home square footage and bedrooms

Calculate required whole-house ventilation rates for residential buildings based on ASHRAE 62.2-2019 standards. Input home square footage and number of bedrooms, with an option to factor in blower door test results for natural ventilation.

Duct Calculator: HVAC Sizing

(1)

free

HVAC duct sizing & airflow