Fluid Mechanics Toolbox
Hydraulic Flow Calculator
$3.99 · Designed for iPad. Not verified for macOS.
One-time paid offline calculator for pipe flow, pressure drop, pumps, open channels, weirs, unit conversion and engineering references. No login or ads.
Fluid Mechanics Toolbox is an offline engineering calculator for fluid mechanics, hydraulics, pipe flow, pumps, open channels, weirs, and unit conversion.
Designed for engineers, students, designers, and field technicians, the app helps you perform common fluid and hydraulic screening calculations quickly without spreadsheets, accounts, ads, subscriptions, or internet access.
Key features:
• Pipe flow and pressure drop calculations
• Darcy-Weisbach, Hazen-Williams, Manning and Bernoulli tools
• Reynolds number, Froude number and other dimensionless numbers
• Pump power, efficiency and NPSH calculations
• Open channel, weir, orifice and Venturi calculations
• SI and USCS unit systems
• Offline unit converter
• Built-in engineering reference tables
• Local project workspace and favorites
• Copy calculation results
• Light mode, dark mode and system appearance
• English and Simplified Chinese interface
The app is built for one-time paid download use. No subscription, no ads, no login and no server connection are required. All calculations run offline on device.
Disclaimer:
This app is intended for learning, estimation, preliminary engineering screening and technical reference only. Results are based on user inputs and built-in formulas. Users are responsible for verifying results against applicable standards, project requirements, vendor data and professional engineering judgment before use in real projects.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, 润强 何, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 润强 何
- Size
- 1.9 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English and Simplified Chinese
- Age Rating
4+
- 4+
- Copyright
- © Fluid Mechanics Toolbox Inc.
