Best Fluid Property Calculator Apps

Optional RPN modeMultiple undo and redoUnit conversions and constants

This free scientific calculator offers essential features like RPN mode, unit conversions, and multiple undo/redo. It provides a taste of a more powerful version, with optional in-app purchases for expanded functionality.

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Construction Master Pro Calc

Feet Inch Fraction Calculator

Dimensional math and conversionsRight angle and rafter calculationsArea and volume solutions

This app is a powerful construction calculator designed for professionals working with dimensions. It offers a wide range of solutions for dimensional math, right angle calculations, area and volume, and special functions, helping to improve speed and accuracy in layouts, bids, and estimates.

(40K)

Scientific Calculator fx-991

Step-by-step Math Solver

Step-by-step equation solverAdvanced scientific functionsGraphing mode

This app provides a powerful scientific calculator with step-by-step solutions for equations, advanced functions, and graphing capabilities. It includes a formula library and unit converter, inspired by a popular Casio model, to aid in learning and problem-solving for math and science subjects.

📚 Education

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Mechanical Engg. Calculator

Mech. Engineering Calculator

~250 formulas16 categoriesMathematics, physics, mechanical engineering

This app provides a comprehensive collection of ~250 formulas across 16 categories for mechanical engineering, physics, and mathematics. Users can easily perform calculations by selecting a formula and inputting variables.

by National Refrigerants Inc.

Pressure/Temperature calculationSuperheat/Subcool calculationAutomatic altitude correction

This tool simplifies HVAC/R technician tasks by calculating pressure/temperature relationships, superheat, and subcool. It automatically adjusts for altitude and offers English/Metric units. Easily access favorite refrigerants and supplementary information.

A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.

Optional RPN modeMulti-line displayExtensive unit conversions

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Engineering tools and searches

ChemE Calculator

VLE calculations (Flash, Bubble P/T, Dew P/T)Generalized and specific steam table calculationsUnit conversion tool

This app provides chemical engineering calculations like VLE and steam tables, along with unit conversions and a chemical database. It allows for quick problem-solving on mobile devices, with results exportable via email. Includes kitten pictures for breaks.

📊 Productivity

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free

Pool Math by TroubleFreePool

Easy pool care and maintenance

Chemical level calculators (pH, Chlorine, Alkalinity, etc.)Track pool maintenance tasksLog chemical additions

Easily manage your swimming pool's water chemistry by tracking key levels like chlorine and pH. This app calculates the precise amounts of chemicals needed to maintain clear, algae-free water, offering a cost-effective alternative to pool store advice.

Easily solve dilution ratios

Calculate dilution ratiosEnter ratio and bottle sizeInstant accurate results

This utility app simplifies the process of calculating dilution ratios for various applications. Users can input their desired ratio and bottle size to get instant, accurate results for the amounts of water and solution needed. It's ideal for tasks like car detailing, valeting, and paint mixing.

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BA Financial Calculator Plus

TVM, NPV, Loan, ROI Calculator

Financial calculators with descriptions, formulas, and examplesTime Value of Money (TVM) calculationsNet Present Value (NPV) and Internal Rate of Return (IRR)

$5.99 | 100% OFF

This app offers a comprehensive suite of financial calculators, including TVM, NPV, and ROI, with detailed explanations, formulas, and examples. It provides data visualization, reports, and AI-powered insights for complex financial calculations, all while prioritizing on-device processing for privacy.

💰 Finance

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12 specialized calculatorsOver 800 formulasScientific, RPN, and String modes

▸ Calculator +

Scientific Calculator

$1.99

This app offers a comprehensive suite of 12 calculators, including scientific, currency, unit, and finance functions. It features advanced modes, extensive formula support, and a user-friendly interface for all calculation needs.

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Elkhart Hard Facts Calculator

by Elkhart Brass

Smooth Bore Discharges & Flow/Pressure calculatorNozzle Reaction calculators (Smooth Bore & Fog)Pump Discharge Pressure calculators

This utility app provides essential calculators for accurate flow testing, covering various nozzle types, pump discharge pressures, and fire flow formulas. It also includes direct links to helpful instructional videos.

HVAC Ductulator & Duct Sizing

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free

Duct Calculator Elite

$9.99

This app simplifies HVAC duct sizing calculations. It computes duct size, velocity, pressure drop, and flow rate with an intuitive interface. Supports various units and duct materials for precise HVAC design.

Calculate duct size, velocity, pressure drop, flow rateDuct Size by Airflow modeDuct Size by Dimension mode

Finance, scientific, and more

Hundreds of pre-built calculation templatesCreate custom calculation templatesStandard and RPN calculator modes

This app offers a powerful calculator with hundreds of pre-built templates for finance, engineering, and more. Users can also create custom calculations for specific needs, ensuring accuracy and speed for repetitive tasks. Access your calculations across devices, online or offline.

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Psychrometric Charts Tool

Calculator of Air

Calculate six humidity parametersAccurate results under extreme conditionsSupports Celsius and Fahrenheit

This tool calculates humidity-related air properties with a calculator-like interface. It supports six key parameters and provides accurate results even under extreme conditions. Ideal for HVAC, cleanrooms, and industrial drying.

by Trelleborg Sealing Solutions

130+ fluid mechanics formulas360+ calculation methodsUnit system conversion (metric/US)

This utility app provides a comprehensive calculator for fluid mechanics, civil, and structural engineering parameters. It offers over 130 formulas and 360 calculation methods, supporting seamless unit system switching for analysis, design, and operation of fluid-related systems.

Oil & gas calculation library