Best Hydraulics Calculation Tool Apps

189+ iOS apps curated and reviewed

4.5 avg rating
14 free apps
Updated June 2026

Every iPhone needs a few good hydraulics calculation tool apps. We benchmark 189+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Hydraulics Calculation Tool

Water Flow Calculators#2

Water Flow Calculators by Waterous

Strong Contender
📚 Education
4.6(5 ratings)
Free
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This educational app provides calculations for water flow using friction loss, smooth nozzle, NFA, and Iowa formulas. It's designed for professionals and students needing quick and accurate fluid dynamics computations.

Hydraulic Training Calculators#3

Hydraulic Training Calculators by Gary Molton

Design Repair Training Tools
Worth Considering
📊 Productivity
5.0(1 ratings)
FreeIn-App Purchases
Hydraulic Training Calculators screenshot 1
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This app offers a comprehensive suite of hydraulic and fluid power tools, including calculators for power, thermal balance, and pipework. It provides design guides, a symbol library, and unit converters. Users can access free interactive content and a trial of paid resources, with options for one-time unlocks or annual subscriptions for extensive training materials.

More Hydraulics Calculation Tool apps to explore

4
Hydraulic-Calculator
Hydraulic-Calculator
Hydraulic-Calculator
by Zanthic Automation Inc.
Free

Perform essential hydraulic calculations for cylinders, pumps, and fluid lines. Solve for forces, speeds, torque, power, and pressure drop. Supports metric and imperial units, with advanced features unlocked via in-app purchase.

Cylinder force and speed calculationsPump displacement, flow, and pressure calculationsHydraulic line fluid velocity and pressure drop
📊 Productivity
(16)
free with in-app purchases
5
Hydraulic ToolKit
Hydraulic ToolKit
Hydraulic ToolKit
by Wade Trim Group, Inc.
Free

Perform essential hydraulic calculations for water infrastructure design on the go. This portable tool offers quick checks for engineers and students, covering common formulas for pipes, channels, and more.

Perform 7 hydraulic formulasSupports imperial and metric systemsQuick calculation checks
📚 Education
(1)
free
6
Hydraulics and Waterworks Calc
Hydraulics and Waterworks Calc
Hydraulics and Waterworks Calc
Aquifer,weir,Capillar,Siphon
$4.99

This app provides 94 specialized calculators for hydraulics, waterworks, and civil engineering. It supports both Metric and Imperial units and includes smart auto-fill features for material properties and flow indicators.

94 specialized calculatorsMetric and Imperial unit supportSmart auto-fill pickers
📊 Productivity
(12)
paid
7
Drilling Hydraulics (Basic)
Drilling Hydraulics (Basic)
Drilling Hydraulics (Basic)
Formulas and Calculations
$4.99
📊 Productivity
(0)
8
FlowXpert
FlowXpert
FlowXpert
Oil & gas calculation library
Free

This app provides a comprehensive library of certified calculations for flow and fluid properties. It is designed for use in flow and level measurement systems within the oil and gas industry.

Certified flow calculationsFluid property calculationsFlow measurement systems
💼 Business
(46)
free
9
Bell & Gossett - SystemSyzer
Bell & Gossett - SystemSyzer
Bell & Gossett - SystemSyzer
by Xylem Inc.
Free

This HVAC tool aids in piping system design, offering calculators for friction loss, velocity, and heat load. It includes a Cv tool and a specialized calculator for balancing contractors to determine valve settings and flow rates.

Friction loss and velocity calculatorHeat/cooling load calculationCv tool
🔍 Reference
(7)
free
10
Hydraulics and Waterworks lite
Hydraulics and Waterworks lite
Hydraulics and Waterworks lite
by V PUGAZHENTHI
Free

This app provides 94 calculators for hydraulics, waterworks, and civil engineering. It supports both Metric and Imperial units, offering smart auto-fill pickers and flow regime indicators. Unlock the full suite with a one-time purchase.

94 engineering calculatorsMetric and Imperial unitsSmart auto-fill pickers
📚 Education
(1)
free with in-app purchases
11
PCalc
PCalc
PCalc
The Best Calculator
$9.99

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
🔧 Utilities
(758)
free with in-app purchases
12
Civil Engineering Pack
Civil Engineering Pack
Civil Engineering Pack
Build, Design & Analysis Tool
$19.99

This comprehensive tool offers over 500 calculations for civil engineering disciplines. It covers structural design, concrete, beams, hydraulics, foundations, surveying, soil mechanics, road construction, timber, and bridges. Supports both SI and Imperial units.

Over 500 civil engineering calculations12 comprehensive modulesStructural, concrete, and beam engineering
🔧 Utilities
(11)
paid
13
Pipe Flow Wizard - Calculator
Pipe Flow Wizard - Calculator
Pipe Flow Wizard - Calculator
Flow Rate & Pressure Loss Calc
Free

Calculate fluid flow rate and pressure loss in pipes. This app helps engineers determine pipe diameter, maximum pipe length, and friction loss for both liquid and gas flows, including fittings and elevation changes. Results can be shared as Excel or PDF reports.

Flow rate calculationsPressure loss calculationsPipe diameter sizing
🔧 Utilities
(98)
free with in-app purchases
14
Hydraulic Troubleshooting
Hydraulic Troubleshooting
Hydraulic Troubleshooting
by Brendan Casey
Free

This app guides users through diagnosing and solving hydraulic equipment problems. It utilizes process flow diagrams, text, and video to ensure accurate and efficient troubleshooting for mechanics and technicians.

Guided troubleshooting processProcess flow diagramsText-based guidance
📚 Education
(2)
free
15
Water Buddie - Engineer's Tool
Water Buddie - Engineer's Tool
Water Buddie - Engineer's Tool
Engine Pressure Calculator
$3.99
🔍 Reference
(0)
16
Dr. DE
Dr. DE
Dr. DE
by Pegasus Vertex, Inc.
Free

This mobile toolbox simplifies complex drilling engineering calculations. It offers a comprehensive suite of 29 functions across 11 categories, eliminating the need for handbooks and improving efficiency for engineers and technicians.

29 drilling engineering functions11 functional groupsBit hydraulics calculations
🔧 Utilities
(16)
free
17
Hydraulic Power Unit
Hydraulic Power Unit
Hydraulic Power Unit
by Zanthic Automation Inc.
Free
📊 Productivity
(0)
18
Free Hydraulic Cylinder Calculator
Free Hydraulic Cylinder Calculator
Free Hydraulic Cylinder Calculator
by Zanthic Automation Inc.
Free
📊 Productivity
(0)
19
Well Cementer Tool
Well Cementer Tool
Well Cementer Tool
by zhandos uakanov
$0.99

This app provides essential calculations for oil and gas professionals in well cementing and drilling operations. It offers quick, accurate tools based on API standards for daily rig use, aiding in job design and field value verification.

Balanced Plug & TOC CalculationsNumber of Sacks & Slurry YieldMud Compressibility Volume
🔍 Reference
(0)
paid
20
KRAH Pipe Calculation
KRAH Pipe Calculation
KRAH Pipe Calculation
Powerful tool for takeaway
Free
🔧 Utilities
(0)